From c9462d0c1e2493a7399b1dbd21e23b215e97f808 Mon Sep 17 00:00:00 2001 From: svncommit Date: Thu, 27 Oct 2005 13:40:37 +0000 Subject: added all mdb2 drivers --- program/lib/MDB2/Driver/Datatype/fbsql.php | 555 +++++++++++++ program/lib/MDB2/Driver/Datatype/ibase.php | 659 +++++++++++++++ program/lib/MDB2/Driver/Datatype/mssql.php | 521 ++++++++++++ program/lib/MDB2/Driver/Datatype/mysqli.php | 568 +++++++++++++ program/lib/MDB2/Driver/Datatype/oci8.php | 607 ++++++++++++++ program/lib/MDB2/Driver/Datatype/pgsql.php | 863 ++++++++++++++++++++ program/lib/MDB2/Driver/Datatype/sqlite.php | 506 ++++++++++++ program/lib/MDB2/Driver/Manager/fbsql.php | 609 ++++++++++++++ program/lib/MDB2/Driver/Manager/ibase.php | 684 ++++++++++++++++ program/lib/MDB2/Driver/Manager/mssql.php | 475 +++++++++++ program/lib/MDB2/Driver/Manager/mysqli.php | 749 +++++++++++++++++ program/lib/MDB2/Driver/Manager/oci8.php | 673 +++++++++++++++ program/lib/MDB2/Driver/Manager/pgsql.php | 570 +++++++++++++ program/lib/MDB2/Driver/Manager/sqlite.php | 375 +++++++++ program/lib/MDB2/Driver/Native/fbsql.php | 58 ++ program/lib/MDB2/Driver/Native/ibase.php | 58 ++ program/lib/MDB2/Driver/Native/mssql.php | 58 ++ program/lib/MDB2/Driver/Native/mysqli.php | 58 ++ program/lib/MDB2/Driver/Native/oci8.php | 58 ++ program/lib/MDB2/Driver/Native/pgsql.php | 80 ++ program/lib/MDB2/Driver/Native/sqlite.php | 89 ++ program/lib/MDB2/Driver/Reverse/fbsql.php | 157 ++++ program/lib/MDB2/Driver/Reverse/ibase.php | 238 ++++++ program/lib/MDB2/Driver/Reverse/mssql.php | 269 ++++++ program/lib/MDB2/Driver/Reverse/mysqli.php | 368 +++++++++ program/lib/MDB2/Driver/Reverse/oci8.php | 178 ++++ program/lib/MDB2/Driver/Reverse/pgsql.php | 356 ++++++++ program/lib/MDB2/Driver/Reverse/sqlite.php | 308 +++++++ program/lib/MDB2/Driver/fbsql.php | 695 ++++++++++++++++ program/lib/MDB2/Driver/ibase.php | 1115 +++++++++++++++++++++++++ program/lib/MDB2/Driver/mssql.php | 766 ++++++++++++++++++ program/lib/MDB2/Driver/mysqli.php | 1106 +++++++++++++++++++++++++ program/lib/MDB2/Driver/oci8.php | 1167 +++++++++++++++++++++++++++ program/lib/MDB2/Driver/pgsql.php | 771 ++++++++++++++++++ program/lib/MDB2/Driver/querysim.php | 684 ++++++++++++++++ program/lib/MDB2/Driver/sqlite.php | 805 ++++++++++++++++++ 36 files changed, 17856 insertions(+) create mode 100755 program/lib/MDB2/Driver/Datatype/fbsql.php create mode 100755 program/lib/MDB2/Driver/Datatype/ibase.php create mode 100755 program/lib/MDB2/Driver/Datatype/mssql.php create mode 100755 program/lib/MDB2/Driver/Datatype/mysqli.php create mode 100755 program/lib/MDB2/Driver/Datatype/oci8.php create mode 100755 program/lib/MDB2/Driver/Datatype/pgsql.php create mode 100755 program/lib/MDB2/Driver/Datatype/sqlite.php create mode 100755 program/lib/MDB2/Driver/Manager/fbsql.php create mode 100755 program/lib/MDB2/Driver/Manager/ibase.php create mode 100755 program/lib/MDB2/Driver/Manager/mssql.php create mode 100755 program/lib/MDB2/Driver/Manager/mysqli.php create mode 100755 program/lib/MDB2/Driver/Manager/oci8.php create mode 100755 program/lib/MDB2/Driver/Manager/pgsql.php create mode 100755 program/lib/MDB2/Driver/Manager/sqlite.php create mode 100755 program/lib/MDB2/Driver/Native/fbsql.php create mode 100755 program/lib/MDB2/Driver/Native/ibase.php create mode 100755 program/lib/MDB2/Driver/Native/mssql.php create mode 100755 program/lib/MDB2/Driver/Native/mysqli.php create mode 100755 program/lib/MDB2/Driver/Native/oci8.php create mode 100755 program/lib/MDB2/Driver/Native/pgsql.php create mode 100755 program/lib/MDB2/Driver/Native/sqlite.php create mode 100755 program/lib/MDB2/Driver/Reverse/fbsql.php create mode 100755 program/lib/MDB2/Driver/Reverse/ibase.php create mode 100755 program/lib/MDB2/Driver/Reverse/mssql.php create mode 100755 program/lib/MDB2/Driver/Reverse/mysqli.php create mode 100755 program/lib/MDB2/Driver/Reverse/oci8.php create mode 100755 program/lib/MDB2/Driver/Reverse/pgsql.php create mode 100755 program/lib/MDB2/Driver/Reverse/sqlite.php create mode 100755 program/lib/MDB2/Driver/fbsql.php create mode 100755 program/lib/MDB2/Driver/ibase.php create mode 100755 program/lib/MDB2/Driver/mssql.php create mode 100755 program/lib/MDB2/Driver/mysqli.php create mode 100755 program/lib/MDB2/Driver/oci8.php create mode 100755 program/lib/MDB2/Driver/pgsql.php create mode 100755 program/lib/MDB2/Driver/querysim.php create mode 100755 program/lib/MDB2/Driver/sqlite.php (limited to 'program/lib/MDB2/Driver') diff --git a/program/lib/MDB2/Driver/Datatype/fbsql.php b/program/lib/MDB2/Driver/Datatype/fbsql.php new file mode 100755 index 000000000..a033bca6b --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/fbsql.php @@ -0,0 +1,555 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 FrontbaseSQL driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_fbsql extends MDB2_Driver_Datatype_Common +{ + // }}} + // {{{ convertResult() + + /** + * convert a value to a RDBMS indepdenant MDB2 type + * + * @param mixed $value value to be converted + * @param int $type constant that specifies which type to convert to + * @return mixed converted value + * @access public + */ + function convertResult($value, $type) + { + if (is_null($value)) { + return null; + } + switch ($type) { + case 'boolean': + return $value == 'T'; + case 'time': + if ($value[0] == '+') { + return substr($value, 1); + } else { + return $value; + } + default: + return $this->_baseConvertResult($value, $type); + } + return $this->_baseConvertResult($value, $type); + } + + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned integer if + * possible. + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + if (array_key_exists('unsigned', $field) && $field['unsigned']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $db->warnings[] = "unsigned integer field \"$name\" is being + declared as signed integer"; + } + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' INT'.$default.$notnull; + } + + // }}} + // {{{ _getTextDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to NULL. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTextDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'text') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + $length = array_key_exists('length', $field) ? $field['length'] : 32768; + return $name.' VARCHAR ('.$length.')'.$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the + * properties of the field being declared as array + * indexes. Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field + * is constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + return "$name CLOB".((array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''); + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + return "$name BLOB".((array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''); + } + + // }}} + // {{{ _getBooleanDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a boolean type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Boolean value to be used as default for this field. + * + * notnullL + * Boolean flag that indicates whether this field is constrained + * to not be set to NULL. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBooleanDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'boolean') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' BOOLEAN)'.$default.$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field properties + * are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT DATE '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' DATE'.$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an timestamp + * type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time stamp value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT TIMESTAMP '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' TIMESTAMP'.$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an time type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT TIME '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' TIME'.$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' FLOAT'.$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $type = 'DECIMAL(18,'.$db->options['decimal_places'].')'; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _quoteBLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value) + { + $value = $this->_readFile($value); + return "'".addslashes($value)."'"; + } + + // }}} + // {{{ _quoteBoolean() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBoolean($value) + { + return ($value ? 'True' : 'False'); + } + + // }}} + // {{{ _quoteDate() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDate($value) + { + return 'DATE'.$this->_quoteText($value); + } + + // }}} + // {{{ _quoteTimestamp() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTimestamp($value) + { + return 'TIMESTAMP'.$this->_quoteText($value); + } + + // }}} + // {{{ _quoteTime() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTime($value) + { + return 'TIME'.$this->_quoteText($value); + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->escape($value); + } +} + +?> diff --git a/program/lib/MDB2/Driver/Datatype/ibase.php b/program/lib/MDB2/Driver/Datatype/ibase.php new file mode 100755 index 000000000..958665440 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/ibase.php @@ -0,0 +1,659 @@ + | +// | Lorenzo Alberton | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 Firebird/Interbase driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + * @author Lorenzo Alberton + */ +class MDB2_Driver_Datatype_ibase extends MDB2_Driver_Datatype_Common +{ + // {{{ convertResult() + + /** + * convert a value to a RDBMS independent MDB2 type + * + * @param mixed $value value to be converted + * @param int $type constant that specifies which type to convert to + * @return mixed converted value or a MDB2 error on failure + * @access public + */ + function convertResult($value, $type) + { + if (is_null($value)) { + return null; + } + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + switch ($type) { + case 'decimal': + return sprintf('%.'.$db->options['decimal_places'].'f', doubleval($value)/pow(10.0, $db->options['decimal_places'])); + case 'timestamp': + return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS')); + default: + return $this->_baseConvertResult($value, $type); + } + } + + // }}} + // {{{ getTypeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access public + */ + function getTypeDeclaration($field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + switch ($field['type']) { + case 'text': + $length = (array_key_exists('length', $field) ? $field['length'] : (!PEAR::isError($length = $db->options['default_text_field_length']) ? $length : 4000)); + return 'VARCHAR ('.$length.')'; + case 'clob': + return 'BLOB SUB_TYPE 1'; + case 'blob': + return 'BLOB SUB_TYPE 0'; + case 'integer': + return 'INTEGER'; + case 'boolean': + return 'CHAR (1)'; + case 'date': + return 'DATE'; + case 'time': + return 'TIME'; + case 'timestamp': + return 'TIMESTAMP'; + case 'float': + return 'DOUBLE PRECISION'; + case 'decimal': + return 'DECIMAL(18,'.$db->options['decimal_places'].')'; + } + return ''; + } + + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field should be + * declared as unsigned integer if possible. + * + * default + * Integer value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + if (array_key_exists('unsigned', $field) && $field['unsigned']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return $name.' PRIMARY KEY'; + } + + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' INT'.$default.$notnull; + } + + // }}} + // {{{ _getTextDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a text type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTextDeclaration($name, $field) + { + $type = $this->getTypeDeclaration($field); + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'text') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a time + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a timestamp + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Timestamp value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Float value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Decimal value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _quoteLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteLOB($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (PEAR::isError($connect = $db->connect())) { + return $connect; + } + $close = true; + if (is_resource($value)) { + $close = false; + } elseif (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { + if ($match[1] == 'file://') { + $value = $match[2]; + } + $value = @fopen($value, 'r'); + } else { + $fp = @tmpfile(); + @fwrite($fp, $value); + @rewind($fp); + $value = $fp; + } + if ($db->in_transaction) { + $blob_id = @ibase_blob_import($db->transaction_id, $value); + } else { + $blob_id = @ibase_blob_import($db->connection, $value); + } + if ($close) { + @fclose($value); + } + return $blob_id; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return (strval(round($value*pow(10.0, $db->options['decimal_places'])))); + } + + // }}} + // {{{ _retrieveLOB() + + /** + * retrieve LOB from the database + * + * @param resource $lob stream handle + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _retrieveLOB(&$lob) + { + if (!array_key_exists('handle', $lob)) { + $lob['handle'] = @ibase_blob_open($lob['ressource']); + if (!$lob['handle']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + '_retrieveLOB: Could not open fetched large object field' . @ibase_errmsg()); + } + } + return MDB2_OK; + } + + // }}} + // {{{ _readLOB() + + /** + * Read data from large object input stream. + * + * @param resource $lob stream handle + * @param blob $data reference to a variable that will hold data to be + * read from the large object input stream + * @param int $length integer value that indicates the largest ammount of + * data to be read from the large object input stream. + * @return mixed length on success, a MDB2 error on failure + * @access protected + */ + function _readLOB($lob, $length) + { + $data = ibase_blob_get($lob['handle'], $length); + if (!is_string($data)) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'Read Result LOB: ' . @ibase_errmsg()); + } + return $data; + } + + // }}} + // {{{ _destroyLOB() + + /** + * Free any resources allocated during the lifetime of the large object + * handler object. + * + * @param resource $lob stream handle + * @access protected + */ + function _destroyLOB($lob_index) + { + if (isset($this->lobs[$lob_index]['handle'])) { + @ibase_blob_close($this->lobs[$lob_index]['handle']); + } + } + + // }}} + // {{{ mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types and the length + * @access public + */ + function mapNativeDatatype($field) + { + $db_type = preg_replace('/\d/','', strtolower($field['typname']) ); + $length = $field['attlen']; + if ($length == '-1') { + $length = $field['atttypmod']-4; + } + if ((int)$length <= 0) { + $length = null; + } + $type = array(); + switch ($db_type) { + case 'smallint': + case 'integer': + $type[] = 'integer'; + if ($length == '1') { + $type[] = 'boolean'; + } + break; + case 'char': + case 'varchar': + $type[] = 'text'; + if ($length == '1') { + $type[] = 'boolean'; + } + break; + case 'date': + $type[] = 'date'; + $length = null; + break; + case 'timestamp': + $type[] = 'timestamp'; + $length = null; + break; + case 'time': + $type[] = 'time'; + $length = null; + break; + case 'float': + case 'double precision': + $type[] = 'float'; + break; + case 'decimal': + case 'numeric': + $type[] = 'decimal'; + break; + case 'blob': + $type[] = 'blob'; + $length = null; + break; + default: + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: unknown database attribute type'); + } + + return array($type, $length); + } + + // }}} +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mssql.php b/program/lib/MDB2/Driver/Datatype/mssql.php new file mode 100755 index 000000000..d4594080e --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/mssql.php @@ -0,0 +1,521 @@ + | +// | Daniel Convissor | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 MS SQL driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common +{ + // {{{ convertResult() + + /** + * convert a value to a RDBMS indepdenant MDB2 type + * + * @param mixed $value value to be converted + * @param int $type constant that specifies which type to convert to + * @return mixed converted value + * @access public + */ + function convertResult($value, $type) + { + if (is_null($value)) { + return null; + } + switch ($type) { + case 'boolean': + return $value == '1'; + case 'date': + if (strlen($value) > 10) { + $value = substr($value,0,10); + } + return $value; + case 'time': + if (strlen($value) > 8) { + $value = substr($value,11,8); + } + return $value; + default: + return $this->_baseConvertResult($value,$type); + } + } + + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field should be + * declared as unsigned integer if possible. + * + * default + * Integer value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + if (array_key_exists('unsigned', $field) && $field['unsigned']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' INT'.$default.$notnull; + } + + // }}} + // {{{ _getTextDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTextDeclaration($name, $field) + { + $type = array_key_exists('length', $field) ? 'VARCHAR ('.$field['length'].')' : 'TEXT'; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'text') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the + * properties of the field being declared as array + * indexes. Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field + * is constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + if (array_key_exists('length', $field)) { + $length = $field['length']; + if ($length <= 8000) { + $type = "VARCHAR($length)"; + } else { + $type = 'TEXT'; + } + } else { + $type = 'TEXT'; + } + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + if (array_key_exists('length', $field)) { + $length = $field['length']; + if ($length <= 8000) { + $type = "VARBINARY($length)"; + } else { + $type = 'IMAGE'; + } + } else { + $type = 'IMAGE'; + } + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getBooleanDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a boolean type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Boolean value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBooleanDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'boolean') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' BIT'.$default.$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' CHAR ('.strlen('YYYY-MM-DD').')'.$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a timestamp + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Timestamp value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'.$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a time + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' CHAR ('.strlen('HH:MM:SS').')'.$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' FLOAT'.$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $type = 'DECIMAL(18,'.$db->options['decimal_places'].')'; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ' NULL'; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _quoteBLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value) + { + $value = $this->_readFile($value); + return bin2hex("0x".$value); + } + + // }}} + // {{{ _quoteBoolean() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBoolean($value) + { + return ($value ? 1 : 0); + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->escape($value); + } +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mysqli.php b/program/lib/MDB2/Driver/Datatype/mysqli.php new file mode 100755 index 000000000..7c35cf8d9 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/mysqli.php @@ -0,0 +1,568 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 MySQL driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common +{ + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned integer if + * possible. + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + $autoinc = ' AUTO_INCREMENT PRIMARY KEY'; + $default = ''; + } else { + $autoinc = ''; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + } + + $unsigned = (array_key_exists('unsigned', $field) && $field['unsigned']) ? ' UNSIGNED' : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' INT'.$unsigned.$default.$notnull.$autoinc; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the + * properties of the field being declared as array + * indexes. Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field + * is constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + if (array_key_exists('length', $field)) { + $length = $field['length']; + if ($length <= 255) { + $type = 'TINYTEXT'; + } else { + if ($length <= 65535) { + $type = 'TEXT'; + } else { + if ($length <= 16777215) { + $type = 'MEDIUMTEXT'; + } else { + $type = 'LONGTEXT'; + } + } + } + } else { + $type = 'LONGTEXT'; + } + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + if (array_key_exists('length', $field)) { + $length = $field['length']; + if ($length <= 255) { + $type = 'TINYBLOB'; + } else { + if ($length <= 65535) { + $type = 'BLOB'; + } else { + if ($length <= 16777215) { + $type = 'MEDIUMBLOB'; + } else { + $type = 'LONGBLOB'; + } + } + } + } else { + $type = 'LONGBLOB'; + } + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field properties + * are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' DATE'.$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an timestamp + * type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time stamp value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' DATETIME'.$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an time type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' TIME'.$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $type = 'DOUBLE'; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $type = 'DECIMAL(18,'.$db->options['decimal_places'].')'; + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _quoteBLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value) + { + $value = $this->_readFile($value); + return "'".addslashes($value)."'"; + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->escape($value); + } + + // }}} + // {{{ mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types and the length + * @access public + */ + function mapNativeDatatype($field) + { + $db_type = strtolower($field['type']); + $db_type = strtok($db_type, '(), '); + if ($db_type == 'national') { + $db_type = strtok('(), '); + } + $length = strtok('(), '); + $decimal = strtok('(), '); + $type = array(); + switch ($db_type) { + case 'tinyint': + case 'smallint': + case 'mediumint': + case 'int': + case 'integer': + case 'bigint': + $type[] = 'integer'; + if ($length == '1') { + $type[] = 'boolean'; + if (preg_match('/^[is|has]/', $field['field'])) { + $type = array_reverse($type); + } + } + break; + case 'char': + case 'varchar': + $type[] = 'text'; + if ($length == '1') { + $type[] = 'boolean'; + if (preg_match('/[is|has]/', $field['field'])) { + $type = array_reverse($type); + } + } + break; + case 'enum': + preg_match_all('/\'.+\'/U', $field['type'], $matches); + $length = 0; + if (is_array($matches)) { + foreach ($matches[0] as $value) { + $length = max($length, strlen($value)-2); + } + } + case 'set': + $type[] = 'text'; + $type[] = 'integer'; + break; + case 'date': + $type[] = 'date'; + $length = null; + break; + case 'datetime': + case 'timestamp': + $type[] = 'timestamp'; + $length = null; + break; + case 'time': + $type[] = 'time'; + $length = null; + break; + case 'float': + case 'double': + case 'real': + $type[] = 'float'; + break; + case 'decimal': + case 'numeric': + $type[] = 'decimal'; + break; + case 'tinytext': + case 'mediumtext': + case 'longtext': + case 'text': + if ($decimal == 'binary') { + $type[] = 'blob'; + } + $type[] = 'clob'; + $type[] = 'text'; + break; + case 'tinyblob': + case 'mediumblob': + case 'longblob': + case 'blob': + $type[] = 'blob'; + $type[] = 'text'; + $length = null; + break; + case 'year': + $type[] = 'integer'; + $type[] = 'date'; + $length = null; + break; + default: + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: unknown database attribute type'); + } + + return array($type, $length); + } + + // }}} + // {{{ mapPrepareDatatype() + + /** + * Maps an mdb2 datatype to mysqli prepare type + * + * @param string $type + * @return string + * @access public + */ + function mapPrepareDatatype($type) + { + switch($type) { + case 'integer': + return 'i'; + case 'float': + return 'd'; + case 'blob': + return 'b'; + default: + break; + } + return 's'; + } +} + +?> diff --git a/program/lib/MDB2/Driver/Datatype/oci8.php b/program/lib/MDB2/Driver/Datatype/oci8.php new file mode 100755 index 000000000..3d790c047 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/oci8.php @@ -0,0 +1,607 @@ + | +// +----------------------------------------------------------------------+ + +// $Id$ + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 OCI8 driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_oci8 extends MDB2_Driver_Datatype_Common +{ + // {{{ convertResult() + + /** + * convert a value to a RDBMS indepdenant MDB2 type + * + * @param mixed $value value to be converted + * @param int $type constant that specifies which type to convert to + * @return mixed converted value + * @access public + */ + function convertResult($value, $type) + { + if (is_null($value)) { + return null; + } + switch ($type) { + case 'date': + return substr($value, 0, strlen('YYYY-MM-DD')); + case 'time': + return substr($value, strlen('YYYY-MM-DD '), strlen('HH:MI:SS')); + default: + return $this->_baseConvertResult($value, $type); + } + } + + // }}} + // {{{ getTypeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access public + */ + function getTypeDeclaration($field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + switch ($field['type']) { + case 'text': + $length = (array_key_exists('length', $field) ? $field['length'] : (($length = $db->options['default_text_field_length']) ? $length : 4000)); + return 'VARCHAR ('.$length.')'; + case 'clob': + return 'CLOB'; + case 'blob': + return 'BLOB'; + case 'integer': + return 'INT'; + case 'boolean': + return 'CHAR (1)'; + case 'date': + case 'time': + case 'timestamp': + return 'DATE'; + case 'float': + return 'NUMBER'; + case 'decimal': + return 'NUMBER(*,'.$db->options['decimal_places'].')'; + } + } + + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field should be + * declared as unsigned integer if possible. + * + * default + * Integer value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @param string $table name of the current table being processed + * by alterTable(), used for autoincrement emulation + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field, $table = null) + { + if (array_key_exists('unsigned', $field) && $field['unsigned']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $db->warning[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTextDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTextDeclaration($name, $field) + { + $type = $this->getTypeDeclaration($field); + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'text') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access public + */ + function _getCLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a timestamp + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Timestamp value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a time + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Float value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Decimal value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _quoteCLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteCLOB($value) + { + return 'EMPTY_CLOB()'; + } + + // }}} + // {{{ _quoteBLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value) + { + return 'EMPTY_BLOB()'; + } + + // }}} + // {{{ _quoteDate() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDate($value) + { + return $this->_quoteText("$value 00:00:00"); + } + + // }}} + // {{{ _quoteTimestamp() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTimestamp($value) + { + return $this->_quoteText($value); + } + + // }}} + // {{{ _quoteTime() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTime($value) + { + return $this->_quoteText("0001-01-01 $value"); + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->escape($value); + } + + // }}} + // {{{ writeLOBToFile() + + /** + * retrieve LOB from the database + * + * @param resource $lob stream handle + * @param string $file name of the file into which the LOb should be fetched + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function writeLOBToFile($lob, $file) + { + $lob_data = stream_get_meta_data($lob); + $lob_index = $lob_data['wrapper_data']->lob_index; + if (!@$this->lobs[$lob_index]['value']->writelobtofile($file)) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(); + } + return MDB2_OK; + } + + // }}} + // {{{ _retrieveLOB() + + /** + * retrieve LOB from the database + * + * @param int $lob_index from the lob array + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _retrieveLOB(&$lob) + { + if (!array_key_exists('loaded', $lob)) { + if (!is_object($lob['ressource'])) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'attemped to retrieve LOB from non existing or NULL column'); + } + $lob['value'] = $lob['ressource']->load(); + $lob['loaded'] = true; + } + return MDB2_OK; + } +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php new file mode 100755 index 000000000..8308ba6b2 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/pgsql.php @@ -0,0 +1,863 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 PostGreSQL driver + * + * @package MDB2 + * @category Database + * @author Paul Cooper + */ +class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common +{ + // {{{ convertResult() + + /** + * convert a value to a RDBMS independent MDB2 type + * + * @param mixed $value value to be converted + * @param int $type constant that specifies which type to convert to + * @return mixed converted value or a MDB2 error on failure + * @access public + */ + function convertResult($value, $type) + { + if (is_null($value)) { + return null; + } + switch ($type) { + case 'boolean': + return $value == 't'; + case 'float': + return doubleval($value); + case 'date': + return $value; + case 'time': + return $value; + case 'timestamp': + return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS')); + default: + return $this->_baseConvertResult($value, $type); + } + } + + // }}} + // {{{ getTypeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an text type + * field to be used in statements like CREATE TABLE. + * + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access public + */ + function getTypeDeclaration($field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + switch ($field['type']) { + case 'text': + return array_key_exists('length', $field) ? 'VARCHAR ('.$field['length'].')' : 'TEXT'; + case 'clob': + return 'OID'; + case 'blob': + return 'OID'; + case 'integer': + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return 'SERIAL PRIMARY KEY'; + } + return 'INT'; + case 'boolean': + return 'BOOLEAN'; + case 'date': + return 'DATE'; + case 'time': + return 'TIME without time zone'; + case 'timestamp': + return 'TIMESTAMP without time zone'; + case 'float': + return 'FLOAT8'; + case 'decimal': + return 'NUMERIC(18, '.$db->options['decimal_places'].')'; + } + } + + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field should be + * declared as unsigned integer if possible. + * + * default + * Integer value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + if (array_key_exists('unsigned', $field) && $field['unsigned']) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return $name.' '.$this->getTypeDeclaration($field); + } + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTextDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a text type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTextDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'text') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the large + * object field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _getBooleanDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a boolean type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Boolean value to be used as default for this field. + * + * notnullL + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBooleanDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'boolean') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a time + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a timestamp + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Timestamp value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Float value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Decimal value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $default = array_key_exists('default', $field) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; + } + + // }}} + // {{{ _quoteLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteLOB($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $connect = $db->connect(); + if (PEAR::isError($connect)) { + return $connect; + } + if (!$db->in_transaction && !@pg_query($db->connection, 'BEGIN')) { + return $db->raiseError(MDB2_ERROR, null, null, + 'error starting transaction'); + } + if (is_resource($value)) { + $close = false; + } elseif (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { + $close = true; + if ($match[1] == 'file://') { + $value = $match[2]; + } + // disabled use of pg_lo_import() for now with the following line + $value = @fopen($value, 'r'); + } else { + $close = true; + $fp = @tmpfile(); + @fwrite($fp, $value); + @rewind($fp); + $value = $fp; + } + $result = false; + if (is_resource($value)) { + if (($lo = @pg_lo_create($db->connection))) { + if (($handle = @pg_lo_open($db->connection, $lo, 'w'))) { + while (!@feof($value)) { + $data = @fread($value, $db->options['lob_buffer_length']); + if ($data === '') { + break; + } + if (!@pg_lo_write($handle, $data)) { + $result = $db->raiseError(); + break; + } + } + if (!PEAR::isError($result)) { + $result = strval($lo); + } + @pg_lo_close($handle); + } else { + $result = $db->raiseError(); + @pg_lo_unlink($db->connection, $lo); + } + } + if ($close) { + @fclose($value); + } + } else { + if (!@pg_lo_import($db->connection, $value)) { + $result = $db->raiseError(); + } + } + if (!$db->in_transaction) { + if (PEAR::isError($result)) { + @pg_query($db->connection, 'ROLLBACK'); + } else { + @pg_query($db->connection, 'COMMIT'); + } + } + return $result; + } + + // }}} + // {{{ _quoteCLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteCLOB($value) + { + return $this->_quoteLOB($value); + } + + // }}} + // {{{ _quoteBLOB() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param $value + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value) + { + return $this->_quoteLOB($value); + } + + // }}} + // {{{ _quoteBoolean() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBoolean($value) + { + return ($value ? "'t'" : "'f'"); + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->escape($value); + } + + // }}} + // {{{ writeLOBToFile() + + /** + * retrieve LOB from the database + * + * @param resource $lob stream handle + * @param string $file name of the file into which the LOb should be fetched + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function writeLOBToFile($lob, $file) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $lob_data = stream_get_meta_data($lob); + $lob_index = $lob_data['wrapper_data']->lob_index; + if (!pg_lo_export($db->connection, $this->lobs[$lob_index]['ressource'], $file)) { + return $db->raiseError(); + } + return MDB2_OK; + } + + // }}} + // {{{ _retrieveLOB() + + /** + * retrieve LOB from the database + * + * @param resource $lob stream handle + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _retrieveLOB(&$lob) + { + if (!array_key_exists('handle', $lob)) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (!$db->in_transaction) { + if (!@pg_query($db->connection, 'BEGIN')) { + return $db->raiseError(); + } + $lob['in_transaction'] = true; + } + $lob['handle'] = @pg_lo_open($db->connection, $lob['ressource'], 'r'); + if (!$lob['handle']) { + if (array_key_exists('in_transaction', $lob)) { + @pg_query($db->connection, 'END'); + unset($lob['in_transaction']); + } + return $db->raiseError(); + } + } + return MDB2_OK; + } + + // }}} + // {{{ _readLOB() + + /** + * Read data from large object input stream. + * + * @param resource $lob stream handle + * @param blob $data reference to a variable that will hold data to be + * read from the large object input stream + * @param int $length integer value that indicates the largest ammount of + * data to be read from the large object input stream. + * @return mixed length on success, a MDB2 error on failure + * @access protected + */ + function _readLOB($lob, $length) + { + $data = @pg_lo_read($lob['handle'], $length); + if (!is_string($data)) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(); + } + return $data; + } + + // }}} + // {{{ _destroyLOB() + + /** + * Free any resources allocated during the lifetime of the large object + * handler object. + * + * @param int $lob_index from the lob array + * @access protected + */ + function _destroyLOB($lob_index) + { + if (isset($this->lobs[$lob_index]['handle'])) { + @pg_lo_close($this->lobs[$lob_index]['handle']); + unset($this->lobs[$lob_index]['handle']); + if (isset($this->lobs[$lob_index]['in_transaction'])) { +/* +for some reason this piece of code causes an apache crash + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + @pg_query($db->connection, 'END'); +*/ + } + } + } + + // }}} + // {{{ mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types and the length + * @access public + */ + function mapNativeDatatype($field) + { + $db_type = preg_replace('/\d/','', strtolower($field['typname']) ); + $length = $field['attlen']; + if ($length == '-1') { + $length = $field['atttypmod']-4; + } + if ((int)$length <= 0) { + $length = null; + } + $type = array(); + switch ($db_type) { + case 'int': + $type[] = 'integer'; + if ($length == '1') { + $type[] = 'boolean'; + } + break; + case 'bool': + $type[] = 'boolean'; + $length = null; + break; + case 'text': + case 'char': + case 'varchar': + case 'bpchar': + $type[] = 'text'; + if ($length == '1') { + $type[] = 'boolean'; + } elseif (strstr($db_type, 'text')) + $type[] = 'clob'; + break; + case 'date': + $type[] = 'date'; + $length = null; + break; + case 'datetime': + case 'timestamp': + $type[] = 'timestamp'; + $length = null; + break; + case 'time': + $type[] = 'time'; + $length = null; + break; + case 'float': + case 'double': + case 'real': + $type[] = 'float'; + break; + case 'decimal': + case 'money': + case 'numeric': + $type[] = 'decimal'; + break; + case 'tinyblob': + case 'mediumblob': + case 'longblob': + case 'blob': + $type[] = 'blob'; + $length = null; + break; + case 'oid': + $type[] = 'blob'; + $type[] = 'clob'; + $length = null; + break; + case 'year': + $type[] = 'integer'; + $type[] = 'date'; + $length = null; + break; + default: + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: unknown database attribute type'); + } + + return array($type, $length); + } + + // }}} +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/sqlite.php b/program/lib/MDB2/Driver/Datatype/sqlite.php new file mode 100755 index 000000000..b7a06f65a --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/sqlite.php @@ -0,0 +1,506 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Datatype/Common.php'; + +/** + * MDB2 SQLite driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common +{ + // }}} + // {{{ _getIntegerDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an integer type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned integer if + * possible. + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getIntegerDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $unsigned = (isset($field['unsigned']) && $field['unsigned']) ? ' UNSIGNED' : ''; + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'integer') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' INT'.$unsigned.$default.$notnull; + } + + // }}} + // {{{ _getCLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an character + * large object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the + * properties of the field being declared as array + * indexes. Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field + * is constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getCLOBDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + if (isset($field['length'])) { + $length = $field['length']; + if ($length <= 255) { + $type = 'TINYTEXT'; + } else { + if ($length <= 65535) { + $type = 'TEXT'; + } else { + if ($length <= 16777215) { + $type = 'MEDIUMTEXT'; + } else { + $type = 'LONGTEXT'; + } + } + } + } else { + $type = 'LONGTEXT'; + } + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getBLOBDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an binary large + * object type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * length + * Integer value that determines the maximum length + * of the large object field. If this argument is + * missing the field should be declared to have the + * longest length allowed by the DBMS. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getBLOBDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + if (isset($field['length'])) { + $length = $field['length']; + if ($length <= 255) { + $type = 'TINYBLOB'; + } else { + if ($length <= 65535) { + $type = 'BLOB'; + } else { + if ($length <= 16777215) { + $type = 'MEDIUMBLOB'; + } else { + $type = 'LONGBLOB'; + } + } + } + } + else { + $type = 'LONGBLOB'; + } + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$notnull; + } + + // }}} + // {{{ _getDateDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an date type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field properties + * are as follows: + * + * default + * Date value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDateDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'date') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' DATE'.$default.$notnull; + } + + // }}} + // {{{ _getTimestampDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an timestamp + * type field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time stamp value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimestampDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'timestamp') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' DATETIME'.$default.$notnull; + } + + // }}} + // {{{ _getTimeDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an time type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Time value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getTimeDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'time') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' TIME'.$default.$notnull; + } + + // }}} + // {{{ _getFloatDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an float type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $type = 'DOUBLE'.($db->options['fixed_float'] ? '('. + ($db->options['fixed_float']+2).','.$db->options['fixed_float'].')' : ''); + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'float') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _getDecimalDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare an decimal type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param string $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * default + * Integer value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $type = 'BIGINT'; + $default = isset($field['default']) ? ' DEFAULT '. + $this->quote($field['default'], 'decimal') : ''; + $notnull = (isset($field['notnull']) && $field['notnull']) ? ' NOT NULL' : ''; + return $name.' '.$type.$default.$notnull; + } + + // }}} + // {{{ _quoteFloat() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value) + { + return (float)$value; + } + + // }}} + // {{{ _quoteDecimal() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + return $db->escape($value); + } + + // }}} + // {{{ mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types and the length + * @access public + */ + function mapNativeDatatype($field) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $db_type = $field['type']; + $length = isset($field['length']) ? $field['length'] : null; + $type = array(); + switch ($db_type) { + case 'tinyint': + case 'smallint': + case 'mediumint': + case 'int': + case 'integer': + case 'bigint': + $type[] = 'integer'; + if ($length == '1') { + $type[] = 'boolean'; + if (preg_match('/^[is|has]/', $field['name'])) { + $type = array_reverse($type); + } + } + $type[] = 'decimal'; + break; + case 'tinytext': + case 'mediumtext': + case 'longtext': + case 'text': + case 'char': + case 'varchar': + case "varchar2": + $type[] = 'text'; + if ($length == '1') { + $type[] = 'boolean'; + if (preg_match('/[is|has]/', $field['name'])) { + $type = array_reverse($type); + } + } elseif (strstr($db_type, 'text')) + $type[] = 'clob'; + break; + case 'enum': + preg_match_all('/\'.+\'/U',$row[$type_column], $matches); + $length = 0; + if (is_array($matches)) { + foreach ($matches[0] as $value) { + $length = max($length, strlen($value)-2); + } + } + case 'set': + $type[] = 'text'; + $type[] = 'integer'; + break; + case 'date': + $type[] = 'date'; + $length = null; + break; + case 'datetime': + case 'timestamp': + $type[] = 'timestamp'; + $length = null; + break; + case 'time': + $type[] = 'time'; + $length = null; + break; + case 'float': + case 'double': + case 'real': + $type[] = 'float'; + break; + case 'decimal': + case 'numeric': + $type[] = 'decimal'; + break; + case 'tinyblob': + case 'mediumblob': + case 'longblob': + case 'blob': + $type[] = 'text'; + $length = null; + break; + case 'year': + $type[] = 'integer'; + $type[] = 'date'; + $length = null; + break; + default: + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: unknown database attribute type'); + } + + return array($type, $length); + } +} + +?> diff --git a/program/lib/MDB2/Driver/Manager/fbsql.php b/program/lib/MDB2/Driver/Manager/fbsql.php new file mode 100755 index 000000000..60850bb5f --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/fbsql.php @@ -0,0 +1,609 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 FrontBase driver for the management modules + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_Driver_Manager_fbsql extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (PEAR::isError($result = $db->connect())) { + return $result; + } + $query = "CREATE DATABASE $name"; + if (PEAR::isError($result = $db->query($query))) { + return $result; + } + + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (PEAR::isError($result = $db->connect())) { + return $result; + } + $query = "DELETE DATABASE $name"; + if (PEAR::isError($result = $db->query($query))) { + return $result; + } + + return MDB2_OK; + } + + // }}} + // {{{ dropTable() + + /** + * drop an existing table + * + * @param object $dbs database object that is extended by this class + * @param string $name name of the table that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropTable($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->query("DROP TABLE $name CASCADE"); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ) + * ) + * + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @access public + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change){ + switch ($change_name) { + case 'add': + case 'remove': + case 'change': + case 'rename': + case 'name': + break; + default: + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'alterTable: change type "'.$change_name.'" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + $query = (array_key_exists('name', $changes) ? 'RENAME AS '.$changes['name'] : ''); + + if (array_key_exists('add', $changes)) { + foreach ($changes['add'] as $field_name => $field) { + $type_declaration = $db->getDeclaration($field['type'], $field_name, $field); + if (PEAR::isError($type_declaration)) { + return $err; + } + if ($query) { + $query.= ', '; + } + $query.= 'ADD ' . $type_declaration; + } + } + + if (array_key_exists('remove', $changes)) { + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $query.= 'DROP ' . $field_name; + } + } + + $rename = array(); + if (array_key_exists('rename', $changes)) { + foreach ($changes['rename'] as $field_name => $field) { + $rename[$field['name']] = $field_name; + } + } + + if (array_key_exists('change', $changes)) { + foreach ($changes['change'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + if (isset($rename[$field_name])) { + $old_field_name = $rename[$field_name]; + unset($rename[$field_name]); + } else { + $old_field_name = $field_name; + } + $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['type'], $old_field_name, $field); + } + } + + if (!empty($rename)) { + foreach ($rename as $renamed_field_name => $renamed_field) { + if ($query) { + $query.= ', '; + } + $old_field_name = $rename[$renamed_field_name]; + $field = $changes['rename'][$old_field_name]; + $query.= 'CHANGE ' . $db->getDeclaration($field['type'], $old_field_name, $field); + } + } + + if (!$query) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_NOT_CAPABLE); + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->queryCol('SELECT "user_name" FROM information_schema.users'); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table_names = $db->queryCol('SELECT "table_name"' + . ' FROM information_schema.tables' + . ' t0, information_schema.schemata t1' + . ' WHERE t0.schema_pk=t1.schema_pk AND' + . ' "table_type" = \'BASE TABLE\'' + . ' AND "schema_name" = current_schema'); + if (PEAR::isError($table_names)) { + return $table_names; + } + for ($i = 0, $j = count($table_names), $tables = array(); $i < $j; ++$i) { + if (!$this->_isSequenceName($table_names[$i])) + $tables[] = $table_names[$i]; + } + return $tables; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $fields = $db->queryCol("SHOW COLUMNS FROM $table"); + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields); + } + return $fields; + } + + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function support() to determine whether the DBMS driver can manage indexes. + + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "CREATE ".(array_key_exists('unique', $definition) ? 'UNIQUE INDEX' : 'INDEX')." $name on $table ("; + $query.= implode(', ', array_keys($definition['fields'])); + $query.= ')'; + return $db->query($query); + } + + // }}} + // {{{ dropIndex() + + /** + * drop existing index + * + * @param string $table name of table that should be used in method + * @param string $name name of the index to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropIndex($table, $name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->query("ALTER TABLE $table DROP INDEX $name"); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $key_name = 'Key_name'; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $key_name = strtolower($key_name); + } else { + $key_name = strtoupper($key_name); + } + } + + $query = "SHOW INDEX FROM $table"; + $indexes_all = $db->queryCol($query, 'text', $key_name); + if (PEAR::isError($indexes_all)) { + return $indexes_all; + } + + $indexes = array_unique($indexes_all); + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $indexes = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $indexes); + } + + return $indexes; + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + $seqcol_name = $db->options['seqcol_name']; + $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER DEFAULT UNIQUE, PRIMARY KEY($seqcol_name))"; + $res = $db->query($query); + $res = $db->query("SET UNIQUE = 1 FOR $sequence_name"); + if (PEAR::isError($res)) { + return $res; + } + if ($start == 1) { + return MDB2_OK; + } + $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')'); + if (!PEAR::isError($res)) { + return MDB2_OK; + } + // Handle error + $result = $db->query("DROP TABLE $sequence_name"); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not drop inconsistent sequence table ('. + $result->getMessage().' ('.$result->getUserinfo().'))'); + } + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not create sequence table ('. + $res->getMessage().' ('.$res->getUserinfo().'))'); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP TABLE $sequence_name CASCADE"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table_names = $db->queryCol('SHOW TABLES', 'text'); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) + $sequences[] = $sqn; + } + return $sequences; + } + // }}} +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/ibase.php b/program/lib/MDB2/Driver/Manager/ibase.php new file mode 100755 index 000000000..993f81a60 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/ibase.php @@ -0,0 +1,684 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 FireBird/InterBase driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lorenzo Alberton + */ +class MDB2_Driver_Manager_ibase extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, 'Create database', + 'createDatabase: PHP Interbase API does not support direct queries. You have to '. + 'create the db manually by using isql command or a similar program'); + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, 'Drop database', + 'dropDatabase: PHP Interbase API does not support direct queries. You have '. + 'to drop the db manually by using isql command or a similar program'); + } + + // }}} + // {{{ _makeAutoincrement() + + /** + * add an autoincrement sequence + trigger + * + * @param string $name name of the PK field + * @param string $table name of the table + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access private + */ + function _makeAutoincrement($name, $table, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->manager->createSequence($table, $start); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_makeAutoincrement: sequence for autoincrement PK could not be created'); + } + + $sequence_name = $db->getSequenceName($table); + $trigger_name = $table . '_autoincrement_pk'; + $trigger_sql = 'CREATE TRIGGER ' . $trigger_name . ' FOR ' . $table . ' + ACTIVE BEFORE INSERT POSITION 0 + AS + BEGIN + IF (NEW.' . $name . ' IS NULL) THEN + NEW.' . $name . ' = GEN_ID('.strtoupper($sequence_name).', 1); + END'; + + return $db->query($trigger_sql); + } + + // }}} + // {{{ _dropAutoincrement() + + /** + * drop an existing autoincrement PK / trigger + * + * @param string $name name of the PK field + * @param string $table name of the table + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access private + */ + function _dropAutoincrement($name, $table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->manager->dropSequence($table); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_dropAutoincrement: sequence for autoincrement PK could not be dropped'); + } + return MDB2_OK; + } + + // }}} + // {{{ createTable() + + /** + * create a new table + * + * @param string $name Name of the database that should be created + * @param array $fields Associative array that contains the definition of each field of the new table + * The indexes of the array entries are the names of the fields of the table an + * the array entry values are associative arrays like those that are meant to be + * passed with the field definitions to get[Type]Declaration() functions. + * + * Example + * array( + * + * 'id' => array( + * 'type' => 'integer', + * 'unsigned' => 1, + * 'notnull' => 1, + * 'default' => 0, + * ), + * 'name' => array( + * 'type' => 'text', + * 'length' => 12, + * ), + * 'description' => array( + * 'type' => 'text', + * 'length' => 12, + * ) + * ); + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createTable($name, $fields) + { + $result = parent::createTable($name, $fields); + if (PEAR::isError($result)) { + return $result; + } + foreach($fields as $field_name => $field) { + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return $this->_makeAutoincrement($field_name, $name); + } + } + } + + // }}} + // {{{ checkSupportedChanges() + + /** + * check if planned changes are supported + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function checkSupportedChanges(&$changes) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'notnull': + return $db->raiseError(MDB2_ERROR, null, null, + 'checkSupportedChanges: it is not supported changes to field not null constraint'); + case 'default': + return $db->raiseError(MDB2_ERROR, null, null, + 'checkSupportedChanges: it is not supported changes to field default value'); + case 'length': + return $db->raiseError(MDB2_ERROR, null, null, + 'checkSupportedChanges: it is not supported changes to field default length'); + case 'unsigned': + case 'type': + case 'declaration': + case 'definition': + break; + default: + return $db->raiseError(MDB2_ERROR, null, null, + 'checkSupportedChanges: it is not supported change of type' . $change_name); + } + } + return MDB2_OK; + } + + // }}} + // {{{ dropTable() + + /** + * drop an existing table + * + * @param string $name name of the table that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropTable($name) + { + //remove triggers associated with the table + $name = strtoupper($name); + $triggers = $db->queryCol("SELECT RDB\$TRIGGER_NAME FROM RDB\$TRIGGERS WHERE RDB\$RELATION_NAME='$name'"); + if (PEAR::isError($triggers)) { + return $triggers; + } + foreach ($triggers as $trigger) { + $result = $db->query('DROP TRIGGER ' . $trigger); + if (PEAR::isError($result)) { + return $result; + } + } + + return parent::dropTable($name); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ) + * ) + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + case 'remove': + case 'rename': + break; + case 'change': + foreach ($changes['change'] as $field) { + if (PEAR::isError($err = $this->checkSupportedChanges($field))) { + return $err; + } + } + break; + default: + return $db->raiseError(MDB2_ERROR, null, null, + 'alterTable: change type ' . $change_name . ' not yet supported'); + } + } + if ($check) { + return MDB2_OK; + } + $query = ''; + if (array_key_exists('add', $changes)) { + foreach ($changes['add'] as $field_name => $field) { + $type_declaration = $db->getDeclaration($field['type'], $field_name, $field, $name); + if (PEAR::isError($type_declaration)) { + return $err; + } + if (strlen($query)) { + $query.= ', '; + } + $query.= 'ADD ' . $type_declaration; + } + } + + if (array_key_exists('remove', $changes)) { + foreach ($changes['remove'] as $field_name => $field) { + if (strlen($query)) { + $query.= ', '; + } + $query.= 'DROP ' . $field_name; + } + } + + if (array_key_exists('rename', $changes)) { + foreach ($changes['rename'] as $field_name => $field) { + if (strlen($query)) { + $query.= ', '; + } + $query.= 'ALTER ' . $field_name . ' TO ' . $field['name']; + } + } + + if (array_key_exists('change', $changes)) { + // missing support to change DEFAULT and NULLability + foreach ($changes['change'] as $field_name => $field) { + if (PEAR::isError($err = $this->checkSupportedChanges($field))) { + return $err; + } + if (strlen($query)) { + $query.= ', '; + } + $db->loadModule('Datatype'); + $query.= 'ALTER ' . $field_name.' TYPE ' . $db->datatype->getTypeDeclaration($field); + } + } + + if (!strlen($query)) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $query = 'SELECT DISTINCT R.RDB$RELATION_NAME FROM RDB$RELATION_FIELDS R WHERE R.RDB$SYSTEM_FLAG=0'; + $tables = $db->queryCol($query); + if (PEAR::isError($tables)) { + return $tables; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $tables = array_flip(array_change_key_case(array_flip($tables), $db->options['field_case'])); + } + return $tables; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $table = strtoupper($table); + $query = "SELECT RDB\$FIELD_NAME FROM RDB\$RELATION_FIELDS WHERE RDB\$RELATION_NAME='$table'"; + $columns = $db->queryCol($query); + if (PEAR::isError($columns)) { + return $columns; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_flip(array_change_key_case(array_flip($columns), $db->options['field_case'])); + } + return $columns; + } + + // }}} + // {{{ listViews() + + /** + * list the views in the database + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->queryCol('SELECT RDB$VIEW_NAME'); + } + + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function support() to determine whether the DBMS driver can manage indexes. + + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (array_key_exists('primary', $definition) && $definition['primary']) { + $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY ("; + } else { + $query = 'CREATE'; + if (array_key_exists('unique', $definition) && $definition['unique']) { + $query.= ' UNIQUE'; + } + $query_sort = ''; + foreach ($definition['fields'] as $field) { + if (!strcmp($query_sort, '') && isset($field['sorting'])) { + switch ($field['sorting']) { + case 'ascending': + $query_sort = ' ASC'; + break; + case 'descending': + $query_sort = ' DESC'; + break; + } + } + } + $query .= $query_sort. " INDEX $name ON $table ("; + } + $query .= implode(', ', array_keys($definition['fields'])) . ')'; + + return $db->query($query); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + return $db->queryCol("SELECT RDB\$INDEX_NAME FROM RDB\$INDICES WHERE RDB\$RELATION_NAME='$table'"); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + if (PEAR::isError($result = $db->query('CREATE GENERATOR '.strtoupper($sequence_name)))) { + return $result; + } + if (PEAR::isError($result = $db->query('SET GENERATOR '.strtoupper($sequence_name).' TO '.($start-1)))) { + if (PEAR::isError($err = $db->dropSequence($seq_name))) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: Could not setup sequence start value and then it was not possible to drop it: '. + $err->getMessage().' - ' .$err->getUserInfo()); + } + } + return $result; + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query('DELETE FROM RDB$GENERATORS WHERE RDB$GENERATOR_NAME=\''.strtoupper($sequence_name).'\''); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT RDB$GENERATOR_NAME FROM RDB$GENERATORS'; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) + $sequences[] = $sqn; + } + return $sequences; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php new file mode 100755 index 000000000..5b08a9571 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mssql.php @@ -0,0 +1,475 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Manager/Common.php'; +// {{{ class MDB2_Driver_Manager_mssql +/** + * MDB2 MSSQL driver for the management modules + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "CREATE DATABASE $name"; + if($db->options['database_device']) { + $query.= ' ON '.$db->options['database_device']; + $query.= $db->options['database_size'] ? '='.$db->options['database_size'] : ''; + } + return $db->standaloneQuery($query); + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->standaloneQuery("DROP DATABASE $name"); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ), + * ) + * + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @access public + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + break; + case 'remove': + break; + case 'name': + case 'rename': + case 'change': + default: + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'alterTable: change type "'.$change_name.'" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + $query = ''; + if (array_key_exists('add', $changes)) { + if ($query) { + $query.= ', '; + } + $query.= 'ADD '; + foreach ($changes['add'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $query.= $db->getDeclaration($field['type'], $field_name, $field); + } + } + if(array_key_exists('remove', $changes)) { + if ($query) { + $query.= ', '; + } + $query.= 'DROP COLUMN'; + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $query.= $db->getDeclaration($field['type'], $field_name, $field); + } + } + + + if (!$query) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + + if (PEAR::isError($db)) { + return $db; + } + + $query = 'EXEC sp_tables @table_type = "\'TABLE\'"'; + $table_names = $db->queryCol($query, null, 2); + if (PEAR::isError($table_names)) { + return $table_names; + } + + $tables = array(); + for ($i = 0, $j = count($table_names); $i <$j; ++$i) { + if (!$this->_isSequenceName($db, $table_names[$i])) { + $tables[] = $table_names[$i]; + } + } + return $tables; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->query("SELECT * FROM [$table]"); + if (PEAR::isError($result)) { + return $result; + } + $columns = $result->getColumnNames(); + $result->free(); + if (PEAR::isError($columns)) { + return $columns; + } + return array_flip($columns); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $key_name = 'INDEX_NAME'; + $pk_name = 'PK_NAME'; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $key_name = strtolower($key_name); + $pk_name = strtolower($pk_name); + } else { + $key_name = strtoupper($key_name); + $pk_name = strtoupper($pk_name); + } + } + $query = "EXEC sp_statistics @table_name='$table'"; + $indexes_all = $db->queryCol($query, 'text', $key_name); + if (PEAR::isError($indexes_all)) { + return $indexes_all; + } + $query = "EXEC sp_pkeys @table_name='$table'"; + $pk_all = $db->queryCol($query, 'text', $pk_name); + $found = $indexes = array(); + for ($index = 0, $j = count($indexes_all); $index < $j; ++$index) { + if (!in_array($indexes_all[$index], $pk_all) + && $indexes_all[$index] != null + && !isset($found[$indexes_all[$index]]) + ) { + $indexes[] = $indexes_all[$index]; + $found[$indexes_all[$index]] = 1; + } + } + return $indexes; + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + $seqcol_name = $db->options['seqcol_name']; + $query = "CREATE TABLE $sequence_name ($seqcol_name " . + "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)"; + + $res = $db->query($query); + if(PEAR::isError($res)) { + return $res; + } + + if ($start == 1) { + return MDB2_OK; + } + + $query = "SET IDENTITY_INSERT $sequence_name ON ". + "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)"; + $res = $db->query($query); + + if(!PEAR::isError($res)) { + return MDB2_OK; + } + + $result = $db->query("DROP TABLE $sequence_name"); + if(PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not drop inconsistent sequence table ('. + $result->getMessage().' ('.$result->getUserInfo(). '))'); + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not create sequence table ('. + $res->getMessage(). ' ('.$res->getUserInfo(). '))'); + } + + // }}} + // {{{ createIndex() + /** + * Adds an index to a table. + * + * @param string $table The name of the table + * @param string $name The name of the field + * @param array $definition The definition of the new field. + */ + function createIndex($table, $name, $definition) + { + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP TABLE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name FROM sysobjects WHERE xtype = 'U'"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i <$j; ++$i) { + if ($this->_isSequenceName($db, $table_names[$i])) { + $sequences[] = $table_names[$i]; + } + } + return $sequences; + } + // }}} +} +// }}} +?> diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php new file mode 100755 index 000000000..9a1cd31de --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mysqli.php @@ -0,0 +1,749 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 MySQLi driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common +{ + // {{{ properties + var $verified_table_types = array();# + // }}} + + // }}} + // {{{ _verifyTableType() + + /** + * verify that chosen transactional table hanlder is available in the database + * + * @param string $table_type name of the table handler + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _verifyTableType($table_type) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + switch (strtoupper($table_type)) { + case 'BERKELEYDB': + case 'BDB': + $check = array('have_bdb'); + break; + case 'INNODB': + $check = array('have_innobase', 'have_innodb'); + break; + case 'GEMINI': + $check = array('have_gemini'); + break; + case 'HEAP': + case 'ISAM': + case 'MERGE': + case 'MRG_MYISAM': + case 'MYISAM': + case '': + return MDB2_OK; + default: + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + $table_type.' is not a supported table type'); + } + if (isset($this->verified_table_types[$table_type]) + && $this->verified_table_types[$table_type] == $db->connection + ) { + return MDB2_OK; + } + $not_supported = false; + for ($i = 0, $j = count($check); $i < $j; ++$i) { + $query = 'SHOW VARIABLES LIKE '.$db->quote($check[$i], 'text'); + $has = $db->queryRow($query, null, MDB2_FETCHMODE_ORDERED); + if (PEAR::isError($has)) { + return $has; + } + if (is_array($has)) { + $not_supported = true; + if ($has[1] == 'YES') { + $this->verified_table_types[$table_type] = $db->connection; + return MDB2_OK; + } + } + } + if ($not_supported) { + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + $table_type.' is not a supported table type by this MySQL database server'); + } + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'could not tell if '.$table_type.' is a supported table type'); + } + + // }}} + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'CREATE DATABASE '.$name; + $result = $db->query($query); + if (PEAR::isError($result)) { + return $result; + } + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'DROP DATABASE '.$name; + $result = $db->query($query); + if (PEAR::isError($result)) { + return $result; + } + return MDB2_OK; + } + + // }}} + // {{{ createTable() + + /** + * create a new table + * + * @param string $name Name of the database that should be created + * @param array $fields Associative array that contains the definition of each field of the new table + * The indexes of the array entries are the names of the fields of the table an + * the array entry values are associative arrays like those that are meant to be + * passed with the field definitions to get[Type]Declaration() functions. + * + * Example + * array( + * + * 'id' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * 'notnull' => 1 + * 'default' => 0 + * ), + * 'name' => array( + * 'type' => 'text', + * 'length' => 12 + * ), + * 'password' => array( + * 'type' => 'text', + * 'length' => 12 + * ) + * ); + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createTable($name, $fields) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (!$name) { + return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null, + 'createTable: no valid table name specified'); + } + if (empty($fields)) { + return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null, + 'createTable: no fields specified for table "'.$name.'"'); + } + $verify = $this->_verifyTableType($db->options['default_table_type']); + if (PEAR::isError($verify)) { + return $verify; + } + $query_fields = $this->getFieldDeclarationList($fields); + if (PEAR::isError($query_fields)) { + return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null, + 'createTable: '.$this->getUserinfo()); + } + $query = "CREATE TABLE $name ($query_fields)".(strlen($db->options['default_table_type']) + ? ' TYPE='.$db->options['default_table_type'] : ''); + + return $db->query($query); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ) + * ) + * + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @access public + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + case 'remove': + case 'change': + case 'rename': + case 'name': + break; + default: + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'alterTable: change type "'.$change_name.'" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + $query = (array_key_exists('name', $changes) ? 'RENAME AS '.$changes['name'] : ''); + + if (array_key_exists('add', $changes)) { + foreach ($changes['add'] as $field_name => $field) { + $type_declaration = $db->getDeclaration($field['type'], $field_name, $field); + if (PEAR::isError($type_declaration)) { + return $err; + } + if ($query) { + $query.= ', '; + } + $query.= 'ADD ' . $type_declaration; + } + } + + if (array_key_exists('remove', $changes)) { + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $query.= 'DROP ' . $field_name; + } + } + + $rename = array(); + if (array_key_exists('rename', $changes)) { + foreach ($changes['rename'] as $field_name => $field) { + $rename[$field['name']] = $field_name; + } + } + + if (array_key_exists('change', $changes)) { + foreach ($changes['change'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + if (isset($rename[$field_name])) { + $old_field_name = $rename[$field_name]; + unset($rename[$field_name]); + } else { + $old_field_name = $field_name; + } + $query.= "CHANGE $field_name " . $db->getDeclaration($field['type'], $old_field_name, $field); + } + } + + if (!empty($rename)) { + foreach ($rename as $rename_name => $renamed_field) { + if ($query) { + $query.= ', '; + } + $old_field_name = $renamed_field; + $field = $changes['rename'][$old_field_name]; + $query.= 'CHANGE ' . $db->getDeclaration($field['type'], $old_field_name, $field); + } + } + + if (!$query) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $databases = $db->queryCol('SHOW DATABASES'); + return $databases; + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $users = $db->queryCol('SELECT DISTINCT USER FROM USER'); + return $users; + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table_names = $db->queryCol('SHOW TABLES'); + if (PEAR::isError($table_names)) { + return $table_names; + } + + $tables = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if (!$this->_isSequenceName($table_names[$i])) + $tables[] = $table_names[$i]; + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $tables = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $tables); + } + + return $tables; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $fields = $db->queryCol("SHOW COLUMNS FROM $table"); + if (PEAR::isError($fields)) { + return $fields; + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields); + } + + return $fields; + } + + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function supports() to determine whether the DBMS driver can manage indexes. + + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (array_key_exists('primary', $definition) && $definition['primary']) { + $type = 'PRIMARY'; + $name = 'KEY'; + } elseif (array_key_exists('unique', $definition) && $definition['unique']) { + $type = 'UNIQUE'; + } else { + $type = 'INDEX'; + } + + $query = "ALTER TABLE $table ADD $type $name ("; + $query.= implode(', ', array_keys($definition['fields'])); + $query.= ')'; + + return $db->query($query); + } + + // }}} + // {{{ dropIndex() + + /** + * drop existing index + * + * @param string $table name of table that should be used in method + * @param string $name name of the index to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropIndex($table, $name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->query("ALTER TABLE $table DROP INDEX $name"); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $key_name = 'Key_name'; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $key_name = strtolower($key_name); + } else { + $key_name = strtoupper($key_name); + } + } + + $query = "SHOW INDEX FROM $table"; + $indexes_all = $db->queryCol($query, 'text', $key_name); + if (PEAR::isError($indexes_all)) { + return $indexes_all; + } + + $indexes = array_unique($indexes_all); + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $indexes = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $indexes); + } + + return $indexes; + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + $seqcol_name = $db->options['seqcol_name']; + $result = $this->_verifyTableType($db->options['default_table_type']); + if (PEAR::isError($result)) { + return $result; + } + + $res = $db->query("CREATE TABLE $sequence_name". + "($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))". + (strlen($db->options['default_table_type']) ? ' TYPE='.$db->options['default_table_type'] : '') + ); + + if (PEAR::isError($res)) { + return $res; + } + + if ($start == 1) { + return MDB2_OK; + } + + $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')'); + if (!PEAR::isError($res)) { + return MDB2_OK; + } + + // Handle error + $result = $db->query("DROP TABLE $sequence_name"); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not drop inconsistent sequence table ('. + $result->getMessage().' ('.$result->getUserinfo().'))'); + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not create sequence table ('. + $res->getMessage().' ('.$res->getUserinfo().'))'); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP TABLE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table_names = $db->queryCol('SHOW TABLES'); + if (PEAR::isError($table_names)) { + return $table_names; + } + + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) { + $sequences[] = $sqn; + } + } + + return $sequences; + } + + // }}} +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/oci8.php b/program/lib/MDB2/Driver/Manager/oci8.php new file mode 100755 index 000000000..aa5ee3a66 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/oci8.php @@ -0,0 +1,673 @@ + | +// +----------------------------------------------------------------------+ + +// $Id$ + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 oci8 driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Manager_oci8 extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param object $db database object that is extended by this class + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $username = $db->options['database_name_prefix'].$name; + $password = $db->dsn['password'] ? $db->dsn['password'] : $name; + $tablespace = $db->options['default_tablespace'] + ? ' DEFAULT TABLESPACE '.$db->options['default_tablespace'] : ''; + + $query = 'CREATE USER '.$username.' IDENTIFIED BY '.$password.$tablespace; + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + return $result; + } + $query = 'GRANT CREATE SESSION, CREATE TABLE, UNLIMITED TABLESPACE, CREATE SEQUENCE TO '.$username; + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + $query = 'DROP USER '.$username.' CASCADE'; + $result2 = $db->standaloneQuery($query); + if (PEAR::isError($result2)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createDatabase: could not setup the database user ('.$result->getUserinfo(). + ') and then could drop its records ('.$result2->getUserinfo().')'); + } + return $result; + } + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param object $db database object that is extended by this class + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $username = $db->options['database_name_prefix'].$name; + return $db->standaloneQuery('DROP USER '.$username.' CASCADE'); + } + + function _makeAutoincrement($name, $table, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $index_name = $table . '_autoincrement_pk'; + $definition = array( + 'primary' => true, + 'fields' => array($name), + ); + $result = $db->manager->createIndex($table, $index_name, $definition); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_makeAutoincrement: primary key for autoincrement PK could not be created'); + } + + $result = $db->manager->createSequence($table, $start); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_makeAutoincrement: sequence for autoincrement PK could not be created'); + } + + $sequence_name = $db->getSequenceName($table); + $trigger_name = $table . '_autoincrement_pk'; + $trigger_sql = "CREATE TRIGGER $trigger_name BEFORE INSERT ON $table"; + $trigger_sql.= " FOR EACH ROW BEGIN IF (:new.$name IS NULL) THEN SELECT "; + $trigger_sql.= "$sequence_name.NEXTVAL INTO :new.$name FROM DUAL; END IF; END;"; + + return $db->query($trigger_sql); + } + + function _dropAutoincrement($name, $table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->manager->dropSequence($table); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + '_dropAutoincrement: sequence for autoincrement PK could not be dropped'); + } + + $sequence_name = $db->getSequenceName($table); + $trigger_name = $table . '_autoincrement_pk'; + $trigger_sql = 'DROP TRIGGER ' . $trigger_name; + + return $db->query($trigger_sql); + } + + // }}} + // {{{ createTable() + + /** + * create a new table + * + * @param string $name Name of the database that should be created + * @param array $fields Associative array that contains the definition of each field of the new table + * The indexes of the array entries are the names of the fields of the table an + * the array entry values are associative arrays like those that are meant to be + * passed with the field definitions to get[Type]Declaration() functions. + * + * Example + * array( + * + * 'id' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * 'notnull' => 1 + * 'default' => 0 + * ), + * 'name' => array( + * 'type' => 'text', + * 'length' => 12 + * ), + * 'password' => array( + * 'type' => 'text', + * 'length' => 12 + * ) + * ); + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createTable($name, $fields) + { + $result = parent::createTable($name, $fields); + if (PEAR::isError($result)) { + return $result; + } + foreach($fields as $field_name => $field) { + if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { + return $this->_makeAutoincrement($field_name, $name); + } + } + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param object $db database object that is extended by this class + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ) + * ) + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @access public + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + case 'remove': + case 'change': + case 'name': + break; + case 'rename': + default: + return $db->raiseError(MDB2_ERROR, null, null, + 'alterTable: change type "'.$change_name.'" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + if (array_key_exists('remove', $changes)) { + $query = ' DROP ('; + $fields = $changes['remove']; + $query.= implode(', ', array_keys($fields)); + $query.= ')'; + if (PEAR::isError($result = $db->query("ALTER TABLE $name $query"))) { + return $result; + } + $query = ''; + } + + $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$changes['name'] : ''); + + if (array_key_exists('add', $changes)) { + foreach ($changes['add'] as $field_name => $field) { + $type_declaration = $db->getDeclaration($field['type'], $field_name, $field); + if (PEAR::isError($type_declaration)) { + return $err; + } + $query.= ' ADD (' . $type_declaration . ')'; + } + } + + if (array_key_exists('change', $changes)) { + foreach ($changes['change'] as $field_name => $field) { + $query.= "MODIFY ($field_name " . $db->getDeclaration($field['type'], $field_name, $field).')'; + } + } + + if (!$query) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if ($db->options['database_name_prefix']) { + $query = 'SELECT SUBSTR(username, ' + .(strlen($db->options['database_name_prefix'])+1) + .") FROM sys.dba_users WHERE username LIKE '" + .$db->options['database_name_prefix']."%'"; + } else { + $query = 'SELECT username FROM sys.dba_users'; + } + $result = $db->standaloneQuery($query); + if (PEAR::isError($result)) { + return $result; + } + $databases = $result->fetchCol(); + if (PEAR::isError($databases)) { + return $databases; + } + // is it legit to force this to lowercase? + $databases = array_keys(array_change_key_case(array_flip($databases), $db->options['field_case'])); + $result->free(); + return $databases; + } + + // }}} + // {{{ listUsers() + + /** + * list all users in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT username FROM sys.all_users'; + $users = $db->queryCol($query); + if (PEAR::isError($users)) { + return $users; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $users = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $users); + } + return $users; + } + // }}} + // {{{ listViews() + + /** + * list all views in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT view_name FROM sys.user_views'; + $views = $db->queryCol($query); + if (PEAR::isError($views)) { + return $views; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $views = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $views); + } + return $views; + } + + // }}} + // {{{ listFunctions() + + /** + * list all functions in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listFunctions() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name FROM sys.user_source WHERE line = 1 AND type = 'FUNCTION'"; + $functions = $db->queryCol($query); + if (PEAR::isError($functions)) { + return $functions; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $functions = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $functions); + } + return $functions; + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB error on failure + * @access public + **/ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT table_name FROM sys.user_tables'; + return $db->queryCol($query); + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = strtoupper($table); + $query = "SELECT column_name FROM user_tab_columns WHERE table_name='$table' ORDER BY column_id"; + $fields = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $fields = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $fields); + } + return $fields; + } + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function supports() to determine whether the DBMS driver can manage indexes. + * + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (array_key_exists('primary', $definition) && $definition['primary']) { + $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY ("; + } else { + $query = 'CREATE'; + if (array_key_exists('unique', $definition) && $definition['unique']) { + $query.= ' UNIQUE'; + } + $query .= " INDEX $name ON $table ("; + } + $query .= implode(', ', array_keys($definition['fields'])) . ')'; + + return $db->query($query); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param object $db database object that is extended by this class + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1". + ($start < 1 ? " MINVALUE $start" : '')); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param object $db database object that is extended by this class + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP SEQUENCE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT sequence_name FROM sys.user_sequences"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) + $sequences[] = $sqn; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $sequences = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $sequences); + } + return $sequences; + }} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php new file mode 100755 index 000000000..5db3e5ce8 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/pgsql.php @@ -0,0 +1,570 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 MySQL driver for the management modules + * + * @package MDB2 + * @category Database + * @author Paul Cooper + */ +class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function createDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->standaloneQuery("CREATE DATABASE $name"); + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->standaloneQuery("DROP DATABASE $name"); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the Metabase parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the Metabase parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'gender' => array( + * 'default' => 'M', + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * ) + * ) + * ) + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + case 'remove': + case 'change': + case 'name': + break; + case 'rename': + default: + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'alterTable: change type "'.$change_name.'\" not yet supported'); + } + } + + if ($check) { + return MDB2_OK; + } + + $query = (array_key_exists('name', $changes) ? 'RENAME TO '.$changes['name'] : ''); + + if (array_key_exists('add', $changes)) { + foreach ($changes['add'] as $field_name => $field) { + $type_declaration = $db->getDeclaration($field['type'], $field_name, $field); + if (PEAR::isError($type_declaration)) { + return $err; + } + if ($query) { + $query.= ', '; + } + $query.= 'ADD ' . $type_declaration; + } + } + + if (array_key_exists('remove', $changes)) { + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $query.= 'DROP ' . $field_name; + } + } + + if (array_key_exists('change', $changes)) { + // missing support to change DEFAULT and NULLability + foreach ($changes['change'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $db->loadModule('Datatype'); + $query.= "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field); + } + } + + if (!$query) { + return MDB2_OK; + } + + return $db->query("ALTER TABLE $name $query"); + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + **/ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->standaloneQuery('SELECT datname FROM pg_database'); + if (!MDB2::isResultCommon($result)) { + return $result; + } + + $col = $result->fetchCol(); + $result->free(); + return $col; + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + **/ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->standaloneQuery('SELECT usename FROM pg_user'); + if (!MDB2::isResultCommon($result)) { + return $result; + } + + $col = $result->fetchCol(); + $result->free(); + return $col; + } + + // }}} + // {{{ listViews() + + /** + * list the views in the database + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT viewname FROM pg_views'; + return $db->queryCol($query); + } + + // }}} + // {{{ listFunctions() + + /** + * list all functions in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listFunctions() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = " + SELECT + proname + FROM + pg_proc pr, + pg_type tp + WHERE + tp.oid = pr.prorettype + AND pr.proisagg = FALSE + AND tp.typname <> 'trigger' + AND pr.pronamespace IN + (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; + return $db->queryCol($query); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + **/ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php + $query = 'SELECT c.relname AS "Name"' + . ' FROM pg_class c, pg_user u' + . ' WHERE c.relowner = u.usesysid' + . " AND c.relkind = 'r'" + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_views' + . ' WHERE viewname = c.relname)' + . " AND c.relname !~ '^(pg_|sql_)'" + . ' UNION' + . ' SELECT c.relname AS "Name"' + . ' FROM pg_class c' + . " WHERE c.relkind = 'r'" + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_views' + . ' WHERE viewname = c.relname)' + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_user' + . ' WHERE usesysid = c.relowner)' + . " AND c.relname !~ '^pg_'"; + return $db->queryCol($query); + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->query("SELECT * FROM $table"); + if (PEAR::isError($result)) { + return $result; + } + $columns = $result->getColumnNames(); + $result->free(); + if (PEAR::isError($columns)) { + return $columns; + } + return array_flip($columns); + } + + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function supports() to determine whether the DBMS driver can manage indexes. + * + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (array_key_exists('primary', $definition) && $definition['primary']) { + $query = "ALTER TABLE $table ADD CONSTRAINT $name PRIMARY KEY ("; + } else { + $query = 'CREATE'; + if (array_key_exists('unique', $definition) && $definition['unique']) { + $query.= ' UNIQUE'; + } + $query.= " INDEX $name ON $table ("; + } + $query.= implode(', ', array_keys($definition['fields'])); + $query.= ')'; + + return $db->query($query); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $subquery = "SELECT indexrelid FROM pg_index, pg_class"; + $subquery.= " WHERE (pg_class.relname='$table') AND (pg_class.oid=pg_index.indrelid)"; + return $db->queryCol("SELECT relname FROM pg_class WHERE oid IN ($subquery)"); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("CREATE SEQUENCE $sequence_name INCREMENT 1". + ($start < 1 ? " MINVALUE $start" : '')." START $start"); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + **/ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP SEQUENCE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + **/ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN"; + $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) + $sequences[] = $sqn; + } + return $sequences; + } +} +?> diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php new file mode 100755 index 000000000..3b7f11ea5 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/sqlite.php @@ -0,0 +1,375 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 SQLite driver for the management modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $database_file = $db->_getDatabaseFile($name); + if (file_exists($database_file)) { + return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null, + 'createDatabase: database already exists'); + } + $php_errormsg = ''; + $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg); + if (!$handle) { + return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null, + 'createDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not create the database file')); + } + @sqlite_close($handle); + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $database_file = $db->_getDatabaseFile($name); + if (!@file_exists($database_file)) { + return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null, + 'dropDatabase: database does not exist'); + } + $result = @unlink($database_file); + if (!$result) { + return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null, + 'dropDatabase: '.(isset($php_errormsg) ? $php_errormsg : 'could not remove the database file')); + } + return MDB2_OK; + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'listDatabases: list databases is not supported'); + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + return $db->queryCol('SELECT DISTINCT USER FROM USER'); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $tables = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if (!$this->_isSequenceName($table_names[$i])) + $tables[] = $table_names[$i]; + } + return $tables; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a tables in the current database + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $query = "SELECT * FROM $table"; + $db->setLimit(1); + $result = $db->query($query); + if (PEAR::isError($result)) { + return $result; + } + $columns = $result->getColumnNames(); + $result->free(); + if (PEAR::isError($columns)) { + return $columns; + } + return array_flip($columns); + } + + // }}} + // {{{ createIndex() + + /** + * get the stucture of a field into an array + * + * @param string $table name of the table on which the index is to be created + * @param string $name name of the index to be created + * @param array $definition associative array that defines properties of the index to be created. + * Currently, only one property named FIELDS is supported. This property + * is also an associative with the names of the index fields as array + * indexes. Each entry of this array is set to another type of associative + * array that specifies properties of the index that are specific to + * each field. + * + * Currently, only the sorting property is supported. It should be used + * to define the sorting direction of the index. It may be set to either + * ascending or descending. + * + * Not all DBMS support index sorting direction configuration. The DBMS + * drivers of those that do not support it ignore this property. Use the + * function support() to determine whether the DBMS driver can manage indexes. + + * Example + * array( + * 'fields' => array( + * 'user_name' => array( + * 'sorting' => 'ascending' + * ), + * 'last_login' => array() + * ) + * ) + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createIndex($table, $name, $definition) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $query = 'CREATE '.(isset($definition['unique']) ? 'UNIQUE' : '')." INDEX $name ON $table ("; + $skipped_first = false; + foreach ($definition['fields'] as $field_name => $field) { + if ($skipped_first) { + $query .= ','; + } + $query .= $field_name; + $skipped_first = true; + } + $query .= ')'; + return $db->query($query); + } + + // }}} + // {{{ dropIndex() + + /** + * drop existing index + * + * @param string $table name of table that should be used in method + * @param string $name name of the index to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropIndex($table, $name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + return $db->query("DROP INDEX $name"); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $query = "SELECT name FROM sqlite_master WHERE type='index' AND tbl_name='$table' AND sql NOT NULL ORDER BY name"; + $indexes_all = $db->queryCol($query); + if (PEAR::isError($indexes_all)) { + return $indexes_all; + } + $found = $indexes = array(); + foreach ($indexes_all as $index => $index_name) { + if ($indexes_all[$index] != 'PRIMARY' && !isset($found[$index_name])) { + $indexes[] = $index_name; + $found[$index_name] = true; + } + } + return $indexes; + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $sequence_name = $db->getSequenceName($seq_name); + $seqcol_name = $db->options['seqcol_name']; + $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)"; + $res = $db->query($query); + if (PEAR::isError($res)) { + return $res; + } + if ($start == 1) { + return MDB2_OK; + } + $res = $db->query("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')'); + if (!PEAR::isError($res)) { + return MDB2_OK; + } + // Handle error + $result = $db->query("DROP TABLE $sequence_name"); + if (PEAR::isError($result)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not drop inconsistent sequence table ('. + $result->getMessage().' ('.$result->getUserinfo().'))'); + } + return $db->raiseError(MDB2_ERROR, null, null, + 'createSequence: could not create sequence table ('. + $res->getMessage().' ('.$res->getUserinfo().'))'); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $sequence_name = $db->getSequenceName($seq_name); + return $db->query("DROP TABLE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $sequences = array(); + for ($i = 0, $j = count($table_names); $i < $j; ++$i) { + if ($sqn = $this->_isSequenceName($table_names[$i])) + $sequences[] = $sqn; + } + return $sequences; + } + + // }}} +} +?> diff --git a/program/lib/MDB2/Driver/Native/fbsql.php b/program/lib/MDB2/Driver/Native/fbsql.php new file mode 100755 index 000000000..fdddf80ad --- /dev/null +++ b/program/lib/MDB2/Driver/Native/fbsql.php @@ -0,0 +1,58 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 FrontBase driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_fbsql extends MDB2_Module_Common +{ +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/ibase.php b/program/lib/MDB2/Driver/Native/ibase.php new file mode 100755 index 000000000..56039b577 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/ibase.php @@ -0,0 +1,58 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 InterbaseBase driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_ibase extends MDB2_Module_Common +{ +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/mssql.php b/program/lib/MDB2/Driver/Native/mssql.php new file mode 100755 index 000000000..bc5013c3e --- /dev/null +++ b/program/lib/MDB2/Driver/Native/mssql.php @@ -0,0 +1,58 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 MSSQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_mssql extends MDB2_Module_Common +{ +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/mysqli.php b/program/lib/MDB2/Driver/Native/mysqli.php new file mode 100755 index 000000000..7a41f8ff1 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/mysqli.php @@ -0,0 +1,58 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 MySQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_mysqli extends MDB2_Module_Common +{ +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/oci8.php b/program/lib/MDB2/Driver/Native/oci8.php new file mode 100755 index 000000000..34875cfdd --- /dev/null +++ b/program/lib/MDB2/Driver/Native/oci8.php @@ -0,0 +1,58 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 Oracle driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_oci8 extends MDB2_Module_Common +{ +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/pgsql.php b/program/lib/MDB2/Driver/Native/pgsql.php new file mode 100755 index 000000000..f121a9ac8 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/pgsql.php @@ -0,0 +1,80 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +/** + * MDB2 PostGreSQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Paul Cooper + */ +class MDB2_Driver_Native_pgsql extends MDB2_Module_Common +{ + // }}} + // {{{ deleteOID() + + /** + * delete an OID + * + * @param integer $OID + * @return mixed MDB2_OK on success or MDB2 Error Object on failure + * @access public + */ + function deleteOID($OID) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (!@pg_lo_unlink($db->connection, $OID)) { + return $db->raiseError(); + } + return MDB2_OK; + } + +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/sqlite.php b/program/lib/MDB2/Driver/Native/sqlite.php new file mode 100755 index 000000000..987473e14 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/sqlite.php @@ -0,0 +1,89 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 SQLite driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Native_sqlite +{ + var $db_index; + + // {{{ constructor + + /** + * Constructor + */ + function __construct($db_index) + { + $this->db_index = $db_index; + } + + function MDB2_Driver_Native_sqlite($db_index) + { + $this->__construct($db_index); + } + + // }}} + // {{{ getInsertID() + + /** + * get last insert ID + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function getInsertID() + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + return @sqlite_last_insert_rowid($db->connection); + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/fbsql.php b/program/lib/MDB2/Driver/Reverse/fbsql.php new file mode 100755 index 000000000..d20d1957a --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/fbsql.php @@ -0,0 +1,157 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 FrontBase driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_fbsql extends MDB2_Driver_Reverse_Common +{ + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::tableInfo() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + + $connected = $db->connect(); + if (PEAR::isError($connected)) { + return $connected; + } + $id = @fbsql_list_fields($db->database_name, $result, $db->connection); + $got_string = true; + } elseif (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $id = $result->getResource(); + $got_string = false; + } else { + /* + * Probably received a result resource identifier. + * Copy it. + * Deprecated. Here for compatibility only. + */ + $id = $result; + $got_string = false; + } + + if (!is_resource($id)) { + return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $count = @fbsql_num_fields($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + $res[$i] = array( + 'table' => $case_func(@fbsql_field_table($id, $i)), + 'name' => $case_func(@fbsql_field_name($id, $i)), + 'type' => @fbsql_field_type($id, $i), + 'len' => @fbsql_field_len($id, $i), + 'flags' => @fbsql_field_flags($id, $i), + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + // free the result only if we were called on a table + if ($got_string) { + @fbsql_free_result($id); + } + return $res; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/ibase.php b/program/lib/MDB2/Driver/Reverse/ibase.php new file mode 100755 index 000000000..8895744fc --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/ibase.php @@ -0,0 +1,238 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 InterbaseBase driver for the reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_ibase extends MDB2_Driver_Reverse_Common +{ + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * NOTE: only supports 'table' and 'flags' if $result + * is a table name. + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::tableInfo() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $id = $db->_doQuery("SELECT * FROM $result WHERE 1=0"); + if (PEAR::isError($id)) { + return $id; + } + $got_string = true; + } elseif (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $id = $result->getResource(); + $got_string = false; + } else { + /* + * Probably received a result resource identifier. + * Copy it. + * Deprecated. Here for compatibility only. + */ + $id = $result; + $got_string = false; + } + + if (!is_resource($id)) { + return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $count = @ibase_num_fields($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + $info = @ibase_field_info($id, $i); + $res[$i] = array( + 'table' => $got_string ? $case_func($result) : '', + 'name' => $case_func($info['name']), + 'type' => $info['type'], + 'len' => $info['length'], + 'flags' => ($got_string) + ? $this->_ibaseFieldFlags($info['name'], $result) : '', + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + // free the result only if we were called on a table + if ($got_string) { + @ibase_free_result($id); + } + return $res; + } + + // }}} + // {{{ _ibaseFieldFlags() + + /** + * Get the column's flags + * + * Supports "primary_key", "unique_key", "not_null", "default", + * "computed" and "blob". + * + * @param string $field_name the name of the field + * @param string $table_name the name of the table + * + * @return string the flags + * + * @access protected + */ + function _ibaseFieldFlags($field_name, $table_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT R.RDB$CONSTRAINT_TYPE CTYPE' + .' FROM RDB$INDEX_SEGMENTS I' + .' JOIN RDB$RELATION_CONSTRAINTS R ON I.RDB$INDEX_NAME=R.RDB$INDEX_NAME' + .' WHERE I.RDB$FIELD_NAME=\'' . $field_name . '\'' + .' AND UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\''; + + $result = $db->_doQuery($query); + if (PEAR::isError($result)) { + return $result; + } + + $flags = ''; + if ($obj = @ibase_fetch_object($result)) { + @ibase_free_result($result); + if (isset($obj->CTYPE) && trim($obj->CTYPE) == 'PRIMARY KEY') { + $flags.= 'primary_key '; + } + if (isset($obj->CTYPE) && trim($obj->CTYPE) == 'UNIQUE') { + $flags.= 'unique_key '; + } + } + + $query = 'SELECT R.RDB$NULL_FLAG AS NFLAG,' + .' R.RDB$DEFAULT_SOURCE AS DSOURCE,' + .' F.RDB$FIELD_TYPE AS FTYPE,' + .' F.RDB$COMPUTED_SOURCE AS CSOURCE' + .' FROM RDB$RELATION_FIELDS R ' + .' JOIN RDB$FIELDS F ON R.RDB$FIELD_SOURCE=F.RDB$FIELD_NAME' + .' WHERE UPPER(R.RDB$RELATION_NAME)=\'' . strtoupper($table_name) . '\'' + .' AND R.RDB$FIELD_NAME=\'' . $field_name . '\''; + + $result = $db->_doQuery($query); + if (PEAR::isError($result)) { + return $result; + } + + if ($obj = @ibase_fetch_object($result)) { + @ibase_free_result($result); + if (isset($obj->NFLAG)) { + $flags.= 'not_null '; + } + if (isset($obj->DSOURCE)) { + $flags.= 'default '; + } + if (isset($obj->CSOURCE)) { + $flags.= 'computed '; + } + if (isset($obj->FTYPE) && $obj->FTYPE == 261) { + $flags.= 'blob '; + } + } + + return trim($flags); + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php new file mode 100755 index 000000000..658b7df60 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mssql.php @@ -0,0 +1,269 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 MSSQL driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common +{ + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * NOTE: only supports 'table' and 'flags' if $result + * is a table name. + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::tableInfo() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $id = $db->_doQuery("SELECT TOP 0 * FROM [$result]"); + if (PEAR::isError($id)) { + return $id; + } + + $got_string = true; + } elseif (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $id = $result->getResource(); + $got_string = false; + } else { + /* + * Probably received a result resource identifier. + * Copy it. + * Deprecated. Here for compatibility only. + */ + $id = $result; + $got_string = false; + } + + if (!is_resource($id)) { + return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $count = @mssql_num_fields($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + $res[$i] = array( + 'table' => $got_string ? $case_func($result) : '', + 'name' => $case_func(@mssql_field_name($id, $i)), + 'type' => @mssql_field_type($id, $i), + 'len' => @mssql_field_length($id, $i), + // We only support flags for table + 'flags' => $got_string + ? $this->_mssql_field_flags($result, @mssql_field_name($id, $i)) : '', + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + // free the result only if we were called on a table + if ($got_string) { + @mssql_free_result($id); + } + return $res; + } + + // }}} + // {{{ _mssql_field_flags() + + /** + * Get a column's flags + * + * Supports "not_null", "primary_key", + * "auto_increment" (mssql identity), "timestamp" (mssql timestamp), + * "unique_key" (mssql unique index, unique check or primary_key) and + * "multiple_key" (multikey index) + * + * mssql timestamp is NOT similar to the mysql timestamp so this is maybe + * not useful at all - is the behaviour of mysql_field_flags that primary + * keys are alway unique? is the interpretation of multiple_key correct? + * + * @param string $table the table name + * @param string $column the field name + * + * @return string the flags + * + * @access protected + * @author Joern Barthel + */ + function _mssql_field_flags($table, $column) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + static $tableName = null; + static $flags = array(); + + if ($table != $tableName) { + + $flags = array(); + $tableName = $table; + + // get unique and primary keys + $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC); + + foreach ($res as $val) { + $keys = explode(', ', $val['index_keys']); + + if (sizeof($keys) > 1) { + foreach ($keys as $key) { + $this->_add_flag($flags[$key], 'multiple_key'); + } + } + + if (strpos($val['index_description'], 'primary key')) { + foreach ($keys as $key) { + $this->_add_flag($flags[$key], 'primary_key'); + } + } elseif (strpos($val['index_description'], 'unique')) { + foreach ($keys as $key) { + $this->_add_flag($flags[$key], 'unique_key'); + } + } + } + + // get auto_increment, not_null and timestamp + $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC); + + foreach ($res as $val) { + $val = array_change_key_case($val, $db->options['field_case']); + if ($val['nullable'] == '0') { + $this->_add_flag($flags[$val['column_name']], 'not_null'); + } + if (strpos($val['type_name'], 'identity')) { + $this->_add_flag($flags[$val['column_name']], 'auto_increment'); + } + if (strpos($val['type_name'], 'timestamp')) { + $this->_add_flag($flags[$val['column_name']], 'timestamp'); + } + } + } + + if (array_key_exists($column, $flags)) { + return(implode(' ', $flags[$column])); + } + return ''; + } + + // }}} + // {{{ _add_flag() + + /** + * Adds a string to the flags array if the flag is not yet in there + * - if there is no flag present the array is created + * + * @param array &$array the reference to the flag-array + * @param string $value the flag value + * + * @return void + * + * @access protected + * @author Joern Barthel + */ + function _add_flag(&$array, $value) + { + if (!is_array($array)) { + $array = array($value); + } elseif (!in_array($value, $array)) { + array_push($array, $value); + } + } +} +?> diff --git a/program/lib/MDB2/Driver/Reverse/mysqli.php b/program/lib/MDB2/Driver/Reverse/mysqli.php new file mode 100755 index 000000000..f452c0d53 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mysqli.php @@ -0,0 +1,368 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 MySQL driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common +{ + /** + * Array for converting MYSQLI_*_FLAG constants to text values + * @var array + * @access public + * @since Property available since Release 1.6.5 + */ + var $flags = array( + MYSQLI_NOT_NULL_FLAG => 'not_null', + MYSQLI_PRI_KEY_FLAG => 'primary_key', + MYSQLI_UNIQUE_KEY_FLAG => 'unique_key', + MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key', + MYSQLI_BLOB_FLAG => 'blob', + MYSQLI_UNSIGNED_FLAG => 'unsigned', + MYSQLI_ZEROFILL_FLAG => 'zerofill', + MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment', + MYSQLI_TIMESTAMP_FLAG => 'timestamp', + MYSQLI_SET_FLAG => 'set', + // MYSQLI_NUM_FLAG => 'numeric', // unnecessary + // MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie + MYSQLI_GROUP_FLAG => 'group_by' + ); + + /** + * Array for converting MYSQLI_TYPE_* constants to text values + * @var array + * @access public + * @since Property available since Release 1.6.5 + */ + var $types = array( + MYSQLI_TYPE_DECIMAL => 'decimal', + MYSQLI_TYPE_TINY => 'tinyint', + MYSQLI_TYPE_SHORT => 'int', + MYSQLI_TYPE_LONG => 'int', + MYSQLI_TYPE_FLOAT => 'float', + MYSQLI_TYPE_DOUBLE => 'double', + // MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it + MYSQLI_TYPE_TIMESTAMP => 'timestamp', + MYSQLI_TYPE_LONGLONG => 'bigint', + MYSQLI_TYPE_INT24 => 'mediumint', + MYSQLI_TYPE_DATE => 'date', + MYSQLI_TYPE_TIME => 'time', + MYSQLI_TYPE_DATETIME => 'datetime', + MYSQLI_TYPE_YEAR => 'year', + MYSQLI_TYPE_NEWDATE => 'date', + MYSQLI_TYPE_ENUM => 'enum', + MYSQLI_TYPE_SET => 'set', + MYSQLI_TYPE_TINY_BLOB => 'tinyblob', + MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob', + MYSQLI_TYPE_LONG_BLOB => 'longblob', + MYSQLI_TYPE_BLOB => 'blob', + MYSQLI_TYPE_VAR_STRING => 'varchar', + MYSQLI_TYPE_STRING => 'char', + MYSQLI_TYPE_GEOMETRY => 'geometry', + ); + + // {{{ getTableFieldDefinition() + + /** + * get the stucture of a field into an array + * + * @param string $table name of table that should be used in method + * @param string $field_name name of field that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableFieldDefinition($table, $field_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->loadModule('Datatype'); + if (PEAR::isError($result)) { + return $result; + } + $columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC); + if (PEAR::isError($columns)) { + return $columns; + } + foreach ($columns as $column) { + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $column['field'] = strtolower($column['field']); + } else { + $column['field'] = strtoupper($column['field']); + } + } else { + $column = array_change_key_case($column, $db->options['field_case']); + } + if ($field_name == $column['field']) { + list($types, $length) = $db->datatype->mapNativeDatatype($column); + $notnull = false; + if (array_key_exists('null', $column) && $column['null'] != 'YES') { + $notnull = true; + } + $default = false; + if (array_key_exists('default', $column)) { + $default = $column['default']; + if (is_null($default) && $notnull) { + $default = ''; + } + } + $autoincrement = false; + if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') { + $autoincrement = true; + } + $definition = array(); + foreach ($types as $key => $type) { + $definition[$key] = array( + 'type' => $type, + 'notnull' => $notnull, + ); + if ($length > 0) { + $definition[$key]['length'] = $length; + } + if ($default !== false) { + $definition[$key]['default'] = $default; + } + if ($autoincrement !== false) { + $definition[$key]['autoincrement'] = $autoincrement; + } + } + return $definition; + } + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: it was not specified an existing table column'); + } + + // }}} + // {{{ getTableIndexDefinition() + + /** + * get the stucture of an index into an array + * + * @param string $table name of table that should be used in method + * @param string $index_name name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableIndexDefinition($table, $index_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->query("SHOW INDEX FROM $table"); + if (PEAR::isError($result)) { + return $result; + } + $definition = array(); + while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) { + if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) + || $db->options['field_case'] != CASE_LOWER + ) { + $row = array_change_key_case($row, CASE_LOWER); + } + $key_name = $row['key_name']; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $key_name = strtolower($key_name); + } else { + $key_name = strtoupper($key_name); + } + } + if ($index_name == $key_name) { + if ($row['key_name'] == 'PRIMARY') { + $definition['primary'] = true; + } elseif (!$row['non_unique']) { + $definition['unique'] = true; + } + $column_name = $row['column_name']; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $column_name = strtolower($column_name); + } else { + $column_name = strtoupper($column_name); + } + } + $definition['fields'][$column_name] = array(); + if (array_key_exists('collation', $row)) { + $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A' + ? 'ascending' : 'descending'); + } + } + } + $result->free(); + if (!array_key_exists('fields', $definition)) { + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableIndexDefinition: it was not specified an existing table index'); + } + return $definition; + } + + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::setOption() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $id = $db->_doQuery("SELECT * FROM $result LIMIT 0"); + if (PEAR::isError($id)) { + return $id; + } + $got_string = true; + } elseif (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $id = $result->getResource(); + $got_string = false; + } else { + /* + * Probably received a result resource identifier. + * Copy it. + * Deprecated. Here for compatibility only. + */ + $id = $result; + $got_string = false; + } + + if (!is_a($id, 'mysqli_result')) { + return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $count = @mysqli_num_fields($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + $tmp = @mysqli_fetch_field($id); + + $flags = ''; + foreach ($this->flags as $const => $means) { + if ($tmp->flags & $const) { + $flags.= $means . ' '; + } + } + if ($tmp->def) { + $flags.= 'default_' . rawurlencode($tmp->def); + } + $flags = trim($flags); + + $res[$i] = array( + 'table' => $case_func($tmp->table), + 'name' => $case_func($tmp->name), + 'type' => isset($this->types[$tmp->type]) + ? $this->types[$tmp->type] + : 'unknown', + 'len' => $tmp->max_length, + 'flags' => $flags, + ); + + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + // free the result only if we were called on a table + if ($got_string) { + @mysqli_free_result($id); + } + return $res; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/oci8.php b/program/lib/MDB2/Driver/Reverse/oci8.php new file mode 100755 index 000000000..7447fb008 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/oci8.php @@ -0,0 +1,178 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 Oracle driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_oci8 extends MDB2_Driver_Reverse_Common +{ + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * NOTE: only supports 'table' and 'flags' if $result + * is a table name. + * + * NOTE: flags won't contain index information. + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::tableInfo() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $res = array(); + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $result = strtoupper($result); + $query = 'SELECT column_name, data_type, data_length, ' + . 'nullable ' + . 'FROM user_tab_columns ' + . "WHERE table_name='$result' ORDER BY column_id"; + + $stmt = $db->_doQuery($query); + if (PEAR::isError($stmt)) { + return $stmt; + } + + $i = 0; + while (@OCIFetch($stmt)) { + $res[$i] = array( + 'table' => $case_func($result), + 'name' => $case_func(@OCIResult($stmt, 1)), + 'type' => @OCIResult($stmt, 2), + 'len' => @OCIResult($stmt, 3), + 'flags' => (@OCIResult($stmt, 4) == 'N') ? 'not_null' : '', + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + $i++; + } + + if ($mode) { + $res['num_fields'] = $i; + } + @OCIFreeStatement($stmt); + + } else { + if (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $result = $result->getResource(); + } + + $res = array(); + + if ($result === $db->last_stmt) { + $count = @OCINumCols($result); + if ($mode) { + $res['num_fields'] = $count; + } + for ($i = 0; $i < $count; $i++) { + $res[$i] = array( + 'table' => '', + 'name' => $case_func(@OCIColumnName($result, $i+1)), + 'type' => @OCIColumnType($result, $i+1), + 'len' => @OCIColumnSize($result, $i+1), + 'flags' => '', + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + } else { + return $db->raiseError(MDB2_ERROR_NOT_CAPABLE); + } + } + return $res; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php new file mode 100755 index 000000000..28629eed0 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/pgsql.php @@ -0,0 +1,356 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 PostGreSQL driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Paul Cooper + */ +class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common +{ + // {{{ getTableFieldDefinition() + + /** + * get the stucture of a field into an array + * + * @param string $table name of table that should be used in method + * @param string $field_name name of field that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableFieldDefinition($table, $field_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->loadModule('Datatype'); + if (PEAR::isError($result)) { + return $result; + } + + $column = $db->queryRow("SELECT + attnum,attname,typname,attlen,attnotnull, + atttypmod,usename,usesysid,pg_class.oid,relpages, + reltuples,relhaspkey,relhasrules,relacl,adsrc + FROM pg_class,pg_user,pg_type, + pg_attribute left outer join pg_attrdef on + pg_attribute.attrelid=pg_attrdef.adrelid + WHERE (pg_class.relname='$table') + and (pg_class.oid=pg_attribute.attrelid) + and (pg_class.relowner=pg_user.usesysid) + and (pg_attribute.atttypid=pg_type.oid) + and attnum > 0 + and attname = '$field_name' + ORDER BY attnum + ", null, MDB2_FETCHMODE_ASSOC); + if (PEAR::isError($column)) { + return $column; + } + + list($types, $length) = $db->datatype->mapNativeDatatype($column); + $notnull = false; + if (array_key_exists('attnotnull', $column) && $column['attnotnull'] == 't') { + $notnull = true; + } + $default = false; + // todo .. check how default look like + if (!preg_match("/nextval\('([^']+)'/", $column['adsrc']) + && strlen($column['adsrc']) > 2 + ) { + $default = substr($column['adsrc'], 1, -1); + if (is_null($default) && $notnull) { + $default = ''; + } + } + $autoincrement = false; + if (preg_match("/nextval\('([^']+)'/", $column['adsrc'], $nextvals)) { + $autoincrement = true; + } + $definition = array(); + foreach ($types as $key => $type) { + $definition[$key] = array( + 'type' => $type, + 'notnull' => $notnull, + ); + if ($length > 0) { + $definition[$key]['length'] = $length; + } + if ($default !== false) { + $definition[$key]['default'] = $default; + } + if ($autoincrement !== false) { + $definition[$key]['autoincrement'] = $autoincrement; + } + } + return $definition; + } + + + // }}} + // {{{ getTableIndexDefinition() + /** + * get the stucture of an index into an array + * + * @param string $table name of table that should be used in method + * @param string $index_name name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableIndexDefinition($table, $index_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT * FROM pg_index, pg_class + WHERE (pg_class.relname='$index_name') AND (pg_class.oid=pg_index.indexrelid)"; + $row = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC); + if (PEAR::isError($row)) { + return $row; + } + if ($row['relname'] != $index_name) { + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableIndexDefinition: it was not specified an existing table index'); + } + + $db->loadModule('Manager'); + $columns = $db->manager->listTableFields($table); + + $definition = array(); + if ($row['indisunique'] == 't') { + $definition['unique'] = true; + } + + $index_column_numbers = explode(' ', $row['indkey']); + + foreach ($index_column_numbers as $number) { + $definition['fields'][$columns[($number - 1)]] = array('sorting' => 'ascending'); + } + return $definition; + } + + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * NOTE: only supports 'table' and 'flags' if $result + * is a table name. + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::tableInfo() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $id = $db->_doQuery("SELECT * FROM $result LIMIT 0"); + if (PEAR::isError($id)) { + return $id; + } + $got_string = true; + } elseif (MDB2::isResultCommon($result)) { + /* + * Probably received a result object. + * Extract the result resource identifier. + */ + $id = $result->getResource(); + $got_string = false; + } else { + /* + * Probably received a result resource identifier. + * Copy it. + * Deprecated. Here for compatibility only. + */ + $id = $result; + $got_string = false; + } + + if (!is_resource($id)) { + return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $case_func = 'strtolower'; + } else { + $case_func = 'strtoupper'; + } + } else { + $case_func = 'strval'; + } + + $count = @pg_num_fields($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + $res[$i] = array( + 'table' => $got_string ? $case_func($result) : '', + 'name' => $case_func(@pg_field_name($id, $i)), + 'type' => @pg_field_type($id, $i), + 'len' => @pg_field_size($id, $i), + 'flags' => $got_string + ? $this->_pgFieldFlags($id, $i, $result) + : '', + ); + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + // free the result only if we were called on a table + if ($got_string) { + @pg_free_result($id); + } + return $res; + } + + // }}} + // {{{ _pgFieldFlags() + + /** + * Get a column's flags + * + * Supports "not_null", "default_value", "primary_key", "unique_key" + * and "multiple_key". The default value is passed through + * rawurlencode() in case there are spaces in it. + * + * @param int $resource the PostgreSQL result identifier + * @param int $num_field the field number + * + * @return string the flags + * + * @access protected + */ + function _pgFieldFlags($resource, $num_field, $table_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $field_name = @pg_field_name($resource, $num_field); + + $result = @pg_query($db->connection, "SELECT f.attnotnull, f.atthasdef + FROM pg_attribute f, pg_class tab, pg_type typ + WHERE tab.relname = typ.typname + AND typ.typrelid = f.attrelid + AND f.attname = '$field_name' + AND tab.relname = '$table_name'"); + if (@pg_num_rows($result) > 0) { + $row = @pg_fetch_row($result, 0); + $flags = ($row[0] == 't') ? 'not_null ' : ''; + + if ($row[1] == 't') { + $result = @pg_query($db->connection, "SELECT a.adsrc + FROM pg_attribute f, pg_class tab, pg_type typ, pg_attrdef a + WHERE tab.relname = typ.typname AND typ.typrelid = f.attrelid + AND f.attrelid = a.adrelid AND f.attname = '$field_name' + AND tab.relname = '$table_name' AND f.attnum = a.adnum"); + $row = @pg_fetch_row($result, 0); + $num = preg_replace("/'(.*)'::\w+/", "\\1", $row[0]); + $flags.= 'default_' . rawurlencode($num) . ' '; + } + } else { + $flags = ''; + } + $result = @pg_query($db->connection, "SELECT i.indisunique, i.indisprimary, i.indkey + FROM pg_attribute f, pg_class tab, pg_type typ, pg_index i + WHERE tab.relname = typ.typname + AND typ.typrelid = f.attrelid + AND f.attrelid = i.indrelid + AND f.attname = '$field_name' + AND tab.relname = '$table_name'"); + $count = @pg_num_rows($result); + + for ($i = 0; $i < $count ; $i++) { + $row = @pg_fetch_row($result, $i); + $keys = explode(' ', $row[2]); + + if (in_array($num_field + 1, $keys)) { + $flags.= ($row[0] == 't' && $row[1] == 'f') ? 'unique_key ' : ''; + $flags.= ($row[1] == 't') ? 'primary_key ' : ''; + if (count($keys) > 1) + $flags.= 'multiple_key '; + } + } + + return trim($flags); + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php new file mode 100755 index 000000000..dd56853cc --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/sqlite.php @@ -0,0 +1,308 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +require_once 'MDB2/Driver/Reverse/Common.php'; + +/** + * MDB2 SQlite driver for the schema reverse engineering module + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common +{ + + function _getTableColumns($query) + { + $start_pos = strpos($query, '('); + $end_pos = strrpos($query, ')'); + $column_def = substr($query, $start_pos+1, $end_pos-$start_pos-1); + $column_sql = split(',', $column_def); + $columns = array(); + $count = count($column_sql); + if ($count == 0) { + return $db->raiseError('unexpected empty table column definition list'); + } + $regexp = '/^([^ ]+) (CHAR|VARCHAR|VARCHAR2|TEXT|INT|INTEGER|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( PRIMARY)?( \(([1-9][0-9]*)(,([1-9][0-9]*))?\))?( DEFAULT (\'[^\']*\'|[^ ]+))?( NOT NULL)?$/i'; + for ($i=0, $j=0; $i<$count; ++$i) { + if (!preg_match($regexp, $column_sql[$i], $matches)) { + return $db->raiseError('unexpected table column SQL definition'); + } + $columns[$j]['name'] = $matches[1]; + $columns[$j]['type'] = strtolower($matches[2]); + if (isset($matches[5]) && strlen($matches[5])) { + $columns[$j]['length'] = $matches[5]; + } + if (isset($matches[7]) && strlen($matches[7])) { + $columns[$j]['decimal'] = $matches[7]; + } + if (isset($matches[9]) && strlen($matches[9])) { + $default = $matches[9]; + if (strlen($default) && $default[0]=="'") { + $default = str_replace("''", "'", substr($default, 1, strlen($default)-2)); + } + $columns[$j]['default'] = $default; + } + if (isset($matches[10]) && strlen($matches[10])) { + $columns[$j]['notnull'] = true; + } + ++$j; + } + return $columns; + } + + // {{{ getTableFieldDefinition() + + /** + * get the stucture of a field into an array + * + * @param string $table name of table that should be used in method + * @param string $field_name name of field that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableFieldDefinition($table, $field_name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + $result = $db->loadModule('Datatype'); + if (PEAR::isError($result)) { + return $result; + } + $query = "SELECT sql FROM sqlite_master WHERE type='table' AND name='$table'"; + $query = $db->queryOne($query); + if (PEAR::isError($query)) { + return $query; + } + if (PEAR::isError($columns = $this->_getTableColumns($query))) { + return $columns; + } + foreach ($columns as $column) { + if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) { + $column['name'] = strtolower($column['name']); + } else { + $column = array_change_key_case($column, CASE_LOWER); + } + if ($field_name == $column['name']) { + list($types, $length) = $db->datatype->mapNativeDatatype($column); + unset($notnull); + if (isset($column['null']) && $column['null'] != 'YES') { + $notnull = true; + } + unset($default); + if (isset($column['default'])) { + $default = $column['default']; + } + $definition = array(); + foreach ($types as $key => $type) { + $definition[0][$key] = array('type' => $type); + if (isset($notnull)) { + $definition[0][$key]['notnull'] = true; + } + if (isset($default)) { + $definition[0][$key]['default'] = $default; + } + if (isset($length)) { + $definition[0][$key]['length'] = $length; + } + } + // todo .. handle auto_inrement and primary keys + return $definition; + } + } + + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableFieldDefinition: it was not specified an existing table column'); + } + + // }}} + // {{{ getTableIndexDefinition() + + /** + * get the stucture of an index into an array + * + * @param string $table name of table that should be used in method + * @param string $index_name name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * @access public + */ + function getTableIndexDefinition($table, $index_name) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + if ($index_name == 'PRIMARY') { + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableIndexDefinition: PRIMARY is an hidden index'); + } + $query = "SELECT sql FROM sqlite_master WHERE type='index' AND name='$index_name' AND tbl_name='$table' AND sql NOT NULL ORDER BY name"; + $result = $db->query($query); + if (PEAR::isError($result)) { + return $result; + } + $columns = $result->getColumnNames(); + $column = 'sql'; + if (!isset($columns[$column])) { + $result->free(); + return $db->raiseError('getTableIndexDefinition: show index does not return the table creation sql'); + } + + $query = strtolower($result->fetchOne()); + $unique = strstr($query, ' unique '); + $key_name = $index_name; + $start_pos = strpos($query, '('); + $end_pos = strrpos($query, ')'); + $column_names = substr($query, $start_pos+1, $end_pos-$start_pos-1); + $column_names = split(',', $column_names); + + $definition = array(); + if ($unique) { + $definition['unique'] = true; + } + $count = count($column_names); + for ($i=0; $i<$count; ++$i) { + $column_name = strtok($column_names[$i]," "); + $collation = strtok(" "); + $definition['fields'][$column_name] = array(); + if (!empty($collation)) { + $definition['fields'][$column_name]['sorting'] = ($collation=='ASC' ? 'ascending' : 'descending'); + } + } + + $result->free(); + if (!isset($definition['fields'])) { + return $db->raiseError(MDB2_ERROR, null, null, + 'getTableIndexDefinition: it was not specified an existing table index'); + } + return $definition; + } + + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table + * + * @param string $result a string containing the name of a table + * @param int $mode a valid tableInfo mode + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_common::tableInfo() + * @since Method available since Release 1.7.0 + */ + function tableInfo($result, $mode = null) + { + $db =& $GLOBALS['_MDB2_databases'][$this->db_index]; + if (is_string($result)) { + /* + * Probably received a table name. + * Create a result resource identifier. + */ + $id = $db->queryAll("PRAGMA table_info('$result');", null, MDB2_FETCHMODE_ASSOC); + $got_string = true; + } else { + return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null, + 'This DBMS can not obtain tableInfo' . + ' from result sets'); + } + + if ($db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) { + $case_func = 'strtolower'; + } else { + $case_func = 'strval'; + } + + $count = count($id); + $res = array(); + + if ($mode) { + $res['num_fields'] = $count; + } + + for ($i = 0; $i < $count; $i++) { + if (strpos($id[$i]['type'], '(') !== false) { + $bits = explode('(', $id[$i]['type']); + $type = $bits[0]; + $len = rtrim($bits[1],')'); + } else { + $type = $id[$i]['type']; + $len = 0; + } + + $flags = ''; + if ($id[$i]['pk']) { + $flags .= 'primary_key '; + } + if ($id[$i]['notnull']) { + $flags .= 'not_null '; + } + if ($id[$i]['dflt_value'] !== null) { + $flags .= 'default_' . rawurlencode($id[$i]['dflt_value']); + } + $flags = trim($flags); + + $res[$i] = array( + 'table' => $case_func($result), + 'name' => $case_func($id[$i]['name']), + 'type' => $type, + 'len' => $len, + 'flags' => $flags, + ); + + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + return $res; + } +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/fbsql.php b/program/lib/MDB2/Driver/fbsql.php new file mode 100755 index 000000000..af32a81d1 --- /dev/null +++ b/program/lib/MDB2/Driver/fbsql.php @@ -0,0 +1,695 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 FrontBase driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + * @author Frank M. Kromann + */ +class MDB2_Driver_fbsql extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "'"; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'fbsql'; + $this->dbsyntax = 'fbsql'; + + $this->supported['sequences'] = 'emulated'; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['transactions'] = true; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['current_id'] = 'emulated'; + $this->supported['limit_queries'] = 'emulated'; + $this->supported['LOBs'] = true; + $this->supported['replace'] ='emulated'; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = false; // not implemented + $this->supported['primary_key'] = false; // not implemented + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + if ($this->connection) { + $native_code = @fbsql_errno($this->connection); + $native_msg = @fbsql_error($this->connection); + } else { + $native_code = @fbsql_errno(); + $native_msg = @fbsql_error(); + } + if (is_null($error)) { + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + 22 => MDB2_ERROR_SYNTAX, + 85 => MDB2_ERROR_ALREADY_EXISTS, + 108 => MDB2_ERROR_SYNTAX, + 116 => MDB2_ERROR_NOSUCHTABLE, + 124 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + 215 => MDB2_ERROR_NOSUCHFIELD, + 217 => MDB2_ERROR_INVALID_NUMBER, + 226 => MDB2_ERROR_NOSUCHFIELD, + 231 => MDB2_ERROR_INVALID, + 239 => MDB2_ERROR_TRUNCATED, + 251 => MDB2_ERROR_SYNTAX, + 266 => MDB2_ERROR_NOT_FOUND, + 357 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + 358 => MDB2_ERROR_CONSTRAINT, + 360 => MDB2_ERROR_CONSTRAINT, + 361 => MDB2_ERROR_CONSTRAINT, + ); + } + if (isset($ecode_map[$native_code])) { + $error = $ecode_map[$native_code]; + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $result = $this->_doQuery('SET COMMIT FALSE;', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto commited'); + } + $result = $this->_doQuery('COMMIT;', true); + if (PEAR::isError($result)) { + return $result; + } + $result = $this->_doQuery('SET COMMIT TRUE;', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + $result = $this->_doQuery('ROLLBACK;', true); + if (PEAR::isError($result)) { + return $result; + } + $result = $this->_doQuery('SET COMMIT TRUE;', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + **/ + function connect() + { + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + $params = array( + $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost', + $this->dsn['username'] ? $this->dsn['username'] : null, + $this->dsn['password'] ? $this->dsn['password'] : null, + ); + + $connect_function = $this->options['persistent'] ? 'fbsql_pconnect' : 'fbsql_connect'; + + @ini_set('track_errors', true); + $php_errormsg = ''; + $connection = @call_user_func_array($connect_function, $params); + @ini_restore('track_errors'); + if ($connection <= 0) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); + } + + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = ''; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + @fbsql_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->options['disable_query']) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + if (is_null($database_name)) { + $database_name = $this->database_name; + } + + if ($database_name) { + if ($database_name != $this->connected_database_name) { + if (!@fbsql_select_db($database_name, $connection)) { + return $this->raiseError(); + } + $this->connected_database_name = $database_name; + } + } + + $result = @fbsql_query($query, $connection); + if (!$result) { + return $this->raiseError(); + } + + if ($isManip) { + return @fbsql_affected_rows($connection); + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($limit > 0) { + if ($isManip) { + return preg_replace('/^([\s(])*SELECT(?!\s*TOP\s*\()/i', + "\\1SELECT TOP($limit)", $query); + } else { + return preg_replace('/([\s(])*SELECT(?!\s*TOP\s*\()/i', + "\\1SELECT TOP($offset,$limit)", $query); + } + } + // Add ; to the end of the query. This is required by FrontBase + return $query.';'; + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL);"; + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->_doQuery($query, true); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { + $this->loadModule('Manager'); + // Since we are creating the sequence on demand + // we know the first id = 1 so initialize the + // sequence at 2 + $result = $this->manager->createSequence($seq_name, 2); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence '.$seq_name.' could not be created'); + } else { + // First ID of a newly created sequence is 1 + return 1; + } + } + return $result; + } + $value = $this->queryOne("SELECT UNIQUE FROM $sequence_name", 'integer'); + if (is_numeric($value)) { + $query = "DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value;"; + $result = $this->_doQuery($query, true); + if (PEAR::isError($result)) { + $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; + } + } + return $value; + } + + // }}} + // {{{ lastInsertID() + + /** + * returns the autoincrement ID if supported or $id + * + * @param mixed $id value as returned by getBeforeId() + * @param string $table name of the table into which a new row was inserted + * @return mixed MDB2 Error Object or id + * @access public + */ + function lastInsertID($table = null, $field = null) + { + $value = @fbsql_insert_id($this->connection); + if (!$value) { + return $this->raiseError(); + } + return $value; + } + + // }}} + // {{{ currID() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2 Error Object or id + * @access public + */ + function currID($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name"; + return $this->queryOne($query, 'integer'); + } +} + +class MDB2_Result_fbsql extends MDB2_Result_Common +{ + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @fbsql_fetch_assoc($this->result); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + $row = @fbsql_fetch_row($this->result); + } + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_name = @fbsql_field_name($this->result, $column); + $columns[$column_name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + $cols = @fbsql_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ nextResult() + + /** + * Move the internal result pointer to the next available result + * Currently not supported + * + * @return true if a result is available otherwise return false + * @access public + */ + function nextResult() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'nextResult: resultset has already been freed'); + } + return @fbsql_next_result($this->result); + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with result. + * + * @return boolean true on success, false if result is invalid + * @access public + */ + function free() + { + $free = @fbsql_free_result($this->result); + if (!$free) { + if (is_null($this->result)) { + return MDB2_OK; + } + return $this->db->raiseError(); + } + $this->result = null; + return MDB2_OK; + } +} + +class MDB2_BufferedResult_fbsql extends MDB2_Result_fbsql +{ + // }}} + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if ($this->rownum != ($rownum - 1) && !@fbsql_data_seek($this->result, $rownum)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, + 'seek: tried to seek to an invalid row number ('.$rownum.')'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + $rows = @fbsql_num_rows($this->result); + if (is_null($rows)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + return $this->raiseError(); + } + return $rows; + } +} + +class MDB2_Statement_fbsql extends MDB2_Statement_Common +{ + +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/ibase.php b/program/lib/MDB2/Driver/ibase.php new file mode 100755 index 000000000..260058398 --- /dev/null +++ b/program/lib/MDB2/Driver/ibase.php @@ -0,0 +1,1115 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +/** + * MDB2 FireBird/InterBase driver + * + * @package MDB2 + * @category Database + * @author Lorenzo Alberton + */ +class MDB2_Driver_ibase extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "'"; + + var $transaction_id = 0; + + var $query_parameters = array(); + var $query_parameter_values = array(); + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'ibase'; + $this->dbsyntax = 'ibase'; + + $this->supported['sequences'] = true; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = function_exists('ibase_affected_rows'); + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['transactions'] = true; + $this->supported['current_id'] = true; + // maybe this needs different handling for ibase and firebird? + $this->supported['limit_queries'] = 'emulated'; + $this->supported['LOBs'] = true; + $this->supported['replace'] = false; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = true; + $this->supported['primary_key'] = true; + + $this->options['database_path'] = ''; + $this->options['database_extension'] = '.gdb'; + $this->options['default_text_field_length'] = 4096; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + $native_msg = @ibase_errmsg(); + + if (function_exists('ibase_errcode')) { + $native_code = @ibase_errcode(); + } else { + // memo for the interbase php module hackers: we need something similar + // to mysql_errno() to retrieve error codes instead of this ugly hack + if (preg_match('/^([^0-9\-]+)([0-9\-]+)\s+(.*)$/', $native_msg, $m)) { + $native_code = (int)$m[2]; + } else { + $native_code = null; + } + } + if (is_null($error)) { + $error = MDB2_ERROR; + if ($native_code) { + // try to interpret Interbase error code (that's why we need ibase_errno() + // in the interbase module to return the real error code) + switch ($native_code) { + case -204: + if (isset($m[3]) && is_int(strpos($m[3], 'Table unknown'))) { + $errno = MDB2_ERROR_NOSUCHTABLE; + } + break; + default: + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + -104 => MDB2_ERROR_SYNTAX, + -150 => MDB2_ERROR_ACCESS_VIOLATION, + -151 => MDB2_ERROR_ACCESS_VIOLATION, + -155 => MDB2_ERROR_NOSUCHTABLE, + -157 => MDB2_ERROR_NOSUCHFIELD, + -158 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + -170 => MDB2_ERROR_MISMATCH, + -171 => MDB2_ERROR_MISMATCH, + -172 => MDB2_ERROR_INVALID, + // -204 => // Covers too many errors, need to use regex on msg + -205 => MDB2_ERROR_NOSUCHFIELD, + -206 => MDB2_ERROR_NOSUCHFIELD, + -208 => MDB2_ERROR_INVALID, + -219 => MDB2_ERROR_NOSUCHTABLE, + -297 => MDB2_ERROR_CONSTRAINT, + -303 => MDB2_ERROR_INVALID, + -413 => MDB2_ERROR_INVALID_NUMBER, + -530 => MDB2_ERROR_CONSTRAINT, + -551 => MDB2_ERROR_ACCESS_VIOLATION, + -552 => MDB2_ERROR_ACCESS_VIOLATION, + // -607 => // Covers too many errors, need to use regex on msg + -625 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + -803 => MDB2_ERROR_CONSTRAINT, + -804 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + -904 => MDB2_ERROR_CONNECT_FAILED, + -922 => MDB2_ERROR_NOSUCHDB, + -923 => MDB2_ERROR_CONNECT_FAILED, + -924 => MDB2_ERROR_CONNECT_FAILED + ); + } + if (isset($ecode_map[$native_code])) { + $error = $ecode_map[$native_code]; + } + break; + } + } else { + static $error_regexps; + if (!isset($error_regexps)) { + $error_regexps = array( + '/generator .* is not defined/' + => MDB2_ERROR_SYNTAX, // for compat. w ibase_errcode() + '/table.*(not exist|not found|unknown)/i' + => MDB2_ERROR_NOSUCHTABLE, + '/table .* already exists/i' + => MDB2_ERROR_ALREADY_EXISTS, + '/unsuccessful metadata update .* failed attempt to store duplicate value/i' + => MDB2_ERROR_ALREADY_EXISTS, + '/unsuccessful metadata update .* not found/i' + => MDB2_ERROR_NOT_FOUND, + '/validation error for column .* value "\*\*\* null/i' + => MDB2_ERROR_CONSTRAINT_NOT_NULL, + '/violation of [\w ]+ constraint/i' + => MDB2_ERROR_CONSTRAINT, + '/conversion error from string/i' + => MDB2_ERROR_INVALID_NUMBER, + '/no permission for/i' + => MDB2_ERROR_ACCESS_VIOLATION, + '/arithmetic exception, numeric overflow, or string truncation/i' + => MDB2_ERROR_INVALID, + ); + } + foreach ($error_regexps as $regexp => $code) { + if (preg_match($regexp, $native_msg, $m)) { + $error = $code; + break; + } + } + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $result = ibase_trans(); + if (!$result) { + return $this->raiseError(MDB2_ERROR, null, null, + 'beginTransaction: could not start a transaction'); + } + $this->transaction_id = $result; + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + if (!ibase_commit($this->transaction_id)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: could not commit a transaction'); + } + $this->in_transaction = false; + //$this->transaction_id = 0; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + if ($this->transaction_id && !ibase_rollback($this->transaction_id)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: Could not rollback a pending transaction: '.ibase_errmsg()); + } + $this->in_transaction = false; + $this->transaction_id = 0; + return MDB2_OK; + } + + // }}} + // {{{ getDatabaseFile() + + /** + * Builds the string with path+dbname+extension + * + * @return string full database path+file + * @access protected + */ + function _getDatabaseFile($database_name) + { + if ($database_name == '') { + return $database_name; + } + return $this->options['database_path'].$database_name.$this->options['database_extension']; + } + + // }}} + // {{{ _doConnect() + + /** + * Does the grunt work of connecting to the database + * + * @return mixed connection resource on success, MDB2 Error Object on failure + * @access protected + */ + function _doConnect($database_name, $persistent = false) + { + $user = $this->dsn['username']; + $pw = $this->dsn['password']; + $dbhost = $this->dsn['hostspec'] ? + ($this->dsn['hostspec'].':'.$database_name) : $database_name; + + $params = array(); + $params[] = $dbhost; + $params[] = !empty($user) ? $user : null; + $params[] = !empty($pw) ? $pw : null; + $params[] = isset($this->dsn['charset']) ? $this->dsn['charset'] : null; + $params[] = isset($this->dsn['buffers']) ? $this->dsn['buffers'] : null; + $params[] = isset($this->dsn['dialect']) ? $this->dsn['dialect'] : null; + $params[] = isset($this->dsn['role']) ? $this->dsn['role'] : null; + + $connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect'; + + $connection = @call_user_func_array($connect_function, $params); + if ($connection <= 0) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); + } + if (function_exists('ibase_timefmt')) { + @ibase_timefmt("%Y-%m-%d %H:%M:%S", IBASE_TIMESTAMP); + @ibase_timefmt("%Y-%m-%d", IBASE_DATE); + } else { + @ini_set("ibase.timestampformat", "%Y-%m-%d %H:%M:%S"); + //@ini_set("ibase.timeformat", "%H:%M:%S"); + @ini_set("ibase.dateformat", "%Y-%m-%d"); + } + + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + * @access public + */ + function connect() + { + $database_file = $this->_getDatabaseFile($this->database_name); + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->connected_database_name == $database_file + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + if (!PEAR::loadExtension('interbase')) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + if (!empty($this->database_name)) { + $connection = $this->_doConnect($database_file, $this->options['persistent']); + if (PEAR::isError($connection)) { + return $connection; + } + $this->connection =& $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = $database_file; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + } + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + @ibase_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->getOption('disable_query')) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + if ($this->in_transaction) { + $connection = $this->transaction_id; + } else { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + } + $result = ibase_query($connection, $query); + + if ($result === false) { + return $this->raiseError(); + } + + if ($isManip) { + //return $result; + return (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0); + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($limit > 0 && $this->dsn['dbsyntax'] == 'firebird') { + $query = preg_replace('/^([\s(])*SELECT(?!\s*FIRST\s*\d+)/i', + "SELECT FIRST $limit SKIP $offset", $query); + } + return $query; + } + + // }}} + // {{{ prepare() + + /** + * Prepares a query for multiple execution with execute(). + * With some database backends, this is emulated. + * prepare() requires a generic query as string like + * 'INSERT INTO numbers VALUES(?,?)' or + * 'INSERT INTO numbers VALUES(:foo,:bar)'. + * The ? and :[a-zA-Z] and are placeholders which can be set using + * bindParam() and the query can be send off using the execute() method. + * + * @param string $query the query to prepare + * @param mixed $types array that contains the types of the placeholders + * @param mixed $result_types array that contains the types of the columns in + * the result set + * @return mixed resource handle for the prepared query on success, a MDB2 + * error on failure + * @access public + * @see bindParam, execute + */ + function &prepare($query, $types = null, $result_types = null) + { + $this->debug($query, 'prepare'); + $placeholder_type_guess = $placeholder_type = null; + $question = '?'; + $colon = ':'; + $position = 0; + while ($position < strlen($query)) { + $q_position = strpos($query, $question, $position); + $c_position = strpos($query, $colon, $position); + if ($q_position && $c_position) { + $p_position = min($q_position, $c_position); + } elseif ($q_position) { + $p_position = $q_position; + } elseif ($c_position) { + $p_position = $c_position; + } else { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type_guess = $query[$p_position]; + } + if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) { + if (!is_int($end_quote = strpos($query, "'", $quote + 1))) { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: query with an unterminated text string specified'); + return $err; + } + switch ($this->escape_quotes) { + case '': + case "'": + $position = $end_quote + 1; + break; + default: + if ($end_quote == $quote + 1) { + $position = $end_quote + 1; + } else { + if ($query[$end_quote-1] == $this->escape_quotes) { + $position = $end_quote; + } else { + $position = $end_quote + 1; + } + } + break; + } + } elseif ($query[$position] == $placeholder_type_guess) { + if ($placeholder_type_guess == '?') { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type = $query[$p_position]; + $question = $colon = $placeholder_type; + } + $name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query); + if ($name === '') { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: named parameter with an empty name'); + return $err; + } + $query = substr_replace($query, '?', $position, strlen($name)+1); + $position = $p_position + 1; + } else { + $position = $p_position; + } + } + $connection = ($this->in_transaction ? $this->transaction_id : $this->connection); + $statement = ibase_prepare($connection, $query); + + $class_name = 'MDB2_Statement_'.$this->phptype; + $obj =& new $class_name($this, $statement, $query, $types, $result_types, $this->row_limit, $this->row_offset); + return $obj; + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 1) as the_value FROM RDB$DATABASE'; + $this->expectError('*'); + $result = $this->queryOne($query, 'integer'); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand) { + $this->loadModule('Manager'); + // Since we are creating the sequence on demand + // we know the first id = 1 so initialize the + // sequence at 2 + $result = $this->manager->createSequence($seq_name, 2); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence could not be created'); + } else { + // First ID of a newly created sequence is 1 + // return 1; + // BUT generators are not always reset, so return the actual value + return $this->currID($seq_name); + } + } + } + return $result; + } + + // }}} + // {{{ currID() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2 Error Object or id + * @access public + */ + function currID($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = 'SELECT GEN_ID('.strtoupper($sequence_name).', 0) as the_value FROM RDB$DATABASE'; + $value = @$this->queryOne($query); + if (PEAR::isError($value)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'currID: Unable to select from ' . $seq_name) ; + } + if (!is_numeric($value)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'currID: could not find value in sequence table'); + } + return $value; + } + + // }}} +} + +class MDB2_Result_ibase extends MDB2_Result_Common +{ + // {{{ _skipLimitOffset() + + /** + * Skip the first row of a result set. + * + * @param resource $result + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _skipLimitOffset() + { + if ($this->db->dsn['dbsyntax'] == 'firebird') { + return true; + } + if ($this->limit) { + if ($this->rownum > $this->limit) { + return false; + } + } + if ($this->offset) { + while ($this->offset_count < $this->offset) { + ++$this->offset_count; + if (!is_array(@ibase_fetch_row($this->result))) { + $this->offset_count = $this->offset; + return false; + } + } + } + return true; + } + + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if ($this->result === true) { + //query successfully executed, but without results... + $null = null; + return $null; + } + if (!$this->_skipLimitOffset()) { + $null = null; + return $null; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @ibase_fetch_assoc($this->result); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + $row = @ibase_fetch_row($this->result); + } + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + } + if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) + + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) + ) { + $this->db->_fixResultArrayValues($row, $mode); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed associative array variable + * that holds the names of columns. The indexes of the array are + * the column names mapped to lower case and the values are the + * respective numbers of the columns starting from 0. Some DBMS may + * not return any columns when the result set does not contain any + * rows. + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_info = @ibase_field_info($this->result, $column); + $columns[$column_info['alias']] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + if ($this->result === true) { + //query successfully executed, but without results... + return 0; + } + + if (!is_resource($this->result)) { + return $this->db->raiseError('numCols(): not a valid ibase resource'); + } + $cols = @ibase_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + if (is_resource($this->result)) { + $free = @ibase_free_result($this->result); + if (!$free) { + if (is_null($this->result)) { + return MDB2_OK; + } + return $this->db->raiseError(); + } + } + $this->result = null; + return MDB2_OK; + } + + // }}} +} + +class MDB2_BufferedResult_ibase extends MDB2_Result_ibase +{ + // {{{ class vars + + var $buffer; + var $buffer_rownum = - 1; + + // }}} + // {{{ _fillBuffer() + + /** + * Fill the row buffer + * + * @param int $rownum row number upto which the buffer should be filled + * if the row number is null all rows are ready into the buffer + * @return boolean true on success, false on failure + * @access protected + */ + function _fillBuffer($rownum = null) + { + if (isset($this->buffer) && is_array($this->buffer)) { + if (is_null($rownum)) { + if (!end($this->buffer)) { + return false; + } + } elseif (isset($this->buffer[$rownum])) { + return (bool) $this->buffer[$rownum]; + } + } + + if (!$this->_skipLimitOffset()) { + return false; + } + + $buffer = true; + while ((is_null($rownum) || $this->buffer_rownum < $rownum) + && (!$this->limit || $this->buffer_rownum < $this->limit) + && ($buffer = @ibase_fetch_row($this->result)) + ) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = $buffer; + } + + if (!$buffer) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = false; + return false; + } elseif ($this->limit && $this->buffer_rownum >= $this->limit) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = false; + } + return true; + } + + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if ($this->result === true) { + //query successfully executed, but without results... + $null = null; + return $null; + } + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + $target_rownum = $this->rownum + 1; + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if (!$this->_fillBuffer($target_rownum)) { + $null = null; + return $null; + } + $row = $this->buffer[$target_rownum]; + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $column_names = $this->getColumnNames(); + foreach ($column_names as $name => $i) { + $column_names[$name] = $row[$i]; + } + $row = $column_names; + } + if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) + + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) + ) { + $this->db->_fixResultArrayValues($row, $mode); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'valid: resultset has already been freed'); + } + if ($this->_fillBuffer($this->rownum + 1)) { + return true; + } + return false; + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + $this->_fillBuffer(); + return $this->buffer_rownum; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + $this->buffer = null; + $this->buffer_rownum = null; + $free = parent::free(); + } + + // }}} +} + +class MDB2_Statement_ibase extends MDB2_Statement_Common +{ + // {{{ _execute() + + /** + * Execute a prepared query statement helper method. + * + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access private + */ + function &_execute($result_class = true, $result_wrap_class = false) + { + $isManip = MDB2::isManip($this->query); + $this->db->last_query = $this->query; + $this->db->debug($this->query, 'execute'); + if ($this->db->getOption('disable_query')) { + if ($isManip) { + $return = 0; + return $return; + } + $null = null; + return $null; + } + + $connected = $this->db->connect(); + if (PEAR::isError($connected)) { + return $connected; + } + $connection = $this->db->in_transaction + ? $this->db->transaction_id : $this->db->connection; + + $parameters = array(0 => $this->statement); + $i = 0; + foreach ($this->values as $parameter => $value) { + $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; + $parameters[] = $this->db->quote($value, $type, false); + ++$i; + } + + $result = call_user_func_array('ibase_execute', $parameters); + if ($result === false) { + $err =& $this->db->raiseError(); + return $err; + } + + if ($isManip) { + $affected_rows = (function_exists('ibase_affected_rows') ? ibase_affected_rows($connection) : 0); + return $affected_rows; + } + + $result =& $this->db->_wrapResult($result, $this->types, + $result_class, $result_wrap_class, $this->row_limit, $this->row_offset); + return $result; + } + + // }}} + + // }}} + // {{{ free() + + /** + * Release resources allocated for the specified prepared query. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function free() + { + if (!@ibase_free_query($this->statement)) { + return $this->db->raiseError(); + } + return MDB2_OK; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php new file mode 100755 index 000000000..9134654e6 --- /dev/null +++ b/program/lib/MDB2/Driver/mssql.php @@ -0,0 +1,766 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// +// {{{ Class MDB2_Driver_mssql +/** + * MDB2 MSSQL Server driver + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann + */ +class MDB2_Driver_mssql extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "'"; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'mssql'; + $this->dbsyntax = 'mssql'; + + $this->supported['sequences'] = 'emulated'; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['transactions'] = true; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['current_id'] = 'emulated'; + $this->supported['limit_queries'] = 'emulated'; + $this->supported['LOBs'] = true; + $this->supported['replace'] = 'emulated'; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = true; + $this->supported['primary_key'] = true; + + $this->options['database_device'] = false; + $this->options['database_size'] = false; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + $native_code = null; + if ($this->connection) { + $result = @mssql_query('select @@ERROR as ErrorCode', $this->connection); + if ($result) { + $native_code = @mssql_result($result, 0, 0); + @mssql_free_result($result); + } + } + $native_msg = @mssql_get_last_message(); + if (is_null($error)) { + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + 110 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + 155 => MDB2_ERROR_NOSUCHFIELD, + 170 => MDB2_ERROR_SYNTAX, + 207 => MDB2_ERROR_NOSUCHFIELD, + 208 => MDB2_ERROR_NOSUCHTABLE, + 245 => MDB2_ERROR_INVALID_NUMBER, + 515 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + 547 => MDB2_ERROR_CONSTRAINT, + 1913 => MDB2_ERROR_ALREADY_EXISTS, + 2627 => MDB2_ERROR_CONSTRAINT, + 2714 => MDB2_ERROR_ALREADY_EXISTS, + 3701 => MDB2_ERROR_NOSUCHTABLE, + 8134 => MDB2_ERROR_DIVZERO, + ); + } + if (isset($ecode_map[$native_code])) { + if ($native_code == 3701 + && preg_match('/Cannot drop the index/i', $native_msg) + ) { + $error = MDB2_ERROR_NOT_FOUND; + } else { + $error = $ecode_map[$native_code]; + } + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ quoteIdentifier() + + /** + * Quote a string so it can be safely used as a table / column name + * + * Quoting style depends on which database driver is being used. + * + * @param string $str identifier name to be quoted + * + * @return string quoted identifier string + * + * @since 1.6.0 + * @access public + */ + function quoteIdentifier($str) + { + return '[' . str_replace(']', ']]', $str) . ']'; + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $result = $this->_doQuery('BEGIN TRANSACTION', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + $result = $this->_doQuery('COMMIT TRANSACTION', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + $result = $this->_doQuery('ROLLBACK TRANSACTION', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + */ + function connect() + { + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + $params = array( + $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost', + $this->dsn['username'] ? $this->dsn['username'] : null, + $this->dsn['password'] ? $this->dsn['password'] : null, + ); + if ($this->dsn['port']) { + $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':') + . $this->dsn['port']; + } + + $connect_function = $this->options['persistent'] ? 'mssql_pconnect' : 'mssql_connect'; + + $connection = @call_user_func_array($connect_function, $params); + if ($connection <= 0) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); + } + + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = ''; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + if ((bool) ini_get('mssql.datetimeconvert')) { + ini_set('mssql.datetimeconvert', '0'); + } + @mssql_query('SET DATEFORMAT ymd', $this->connection); + + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + @mssql_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->getOption('disable_query')) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + if (is_null($database_name)) { + $database_name = $this->database_name; + } + + if ($database_name) { + if ($database_name != $this->connected_database_name) { + if (!@mssql_select_db($database_name, $connection)) { + return $this->raiseError(); + } + $this->connected_database_name = $database_name; + } + } + + $result = @mssql_query($query, $connection); + if (!$result) { + return $this->raiseError(); + } + + if ($isManip) { + return @mssql_rows_affected($connection); + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($limit > 0) { + $fetch = $offset + $limit; + if (!$isManip) { + return preg_replace('/^([\s(])*SELECT(?!\s*TOP\s*\()/i', + "\\1SELECT TOP $fetch", $query); + } + } + return $query; + } + // }}} + // {{{ _checkSequence + /** + * Checks if there's a sequence that exists. + * + * @param string $seq_name The sequence name to verify. + * @return bool $tableExists The value if the table exists or not + * @access private + */ + function _checkSequence($seq_name) + { + $query = "SELECT * FROM $seq_name"; + $tableExists = $this->_doQuery($query, true); + if (PEAR::isError($tableExists)) { + if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) { + return 0; + } + } else { + return 1; + } + } + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + if (!$this->_checkSequence($sequence_name)) { + $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)"; + } else { + $query = "SET IDENTITY_INSERT $sequence_name ON ". + "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)"; + } + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->_doQuery($query, true); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && !$this->_checkSequence($sequence_name)) { + $this->loadModule('Manager'); + // Since we are creating the sequence on demand + // we know the first id = 1 so initialize the + // sequence at 2 + $result = $this->manager->createSequence($seq_name, 2); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence '.$seq_name.' could not be created'); + } else { + // First ID of a newly created sequence is 1 + return 1; + } + } + return $result; + } + + // TODO: Make sure that this works. + $value = $this->queryRow("SELECT @@IDENTITY", 'integer'); + if (is_numeric($value)) { + $query = "DELETE FROM $sequence_name WHERE ". + $this->options['seqcol_name']." < $value"; + $result = $this->_doQuery($query, true); + + if (PEAR::isError($result)) { + $this->warnings[] = 'nextID: could not delete previous sequence table values'; + } + } + return $value; + } + // }}} + // {{{ lastInsertID() + /** + * returns the autoincrement ID if supported or $id + * + * @param mixed $id value as returned by getBeforeId() + * @param string $table name of the table into which a new row was inserted + * @return mixed MDB2 Error Object or id + * @access public + */ + function lastInsertID($table = null, $field = null) + { + return $this->queryOne("SELECT @@IDENTITY FROM $table", 'integer'); + } + // }}} +} +// }}} +// {{{ Class MDB2_Result_mssql + +class MDB2_Result_mssql extends MDB2_Result_Common +{ + // {{{ _skipLimitOffset() + + /** + * Skip the first row of a result set. + * + * @param resource $result + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _skipLimitOffset() + { + if ($this->limit) { + if ($this->rownum >= $this->limit) { + return false; + } + } + if ($this->offset) { + while ($this->offset_count < $this->offset) { + ++$this->offset_count; + if (!is_array(@mysql_fetch_row($this->result))) { + $this->offset_count = $this->limit; + return false; + } + } + } + return MDB2_OK; + } + + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!$this->_skipLimitOffset()) { + $null = null; + return $null; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @mssql_fetch_assoc($this->result); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + $row = @mssql_fetch_row($this->result); + } + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @param resource $result result identifier + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_name = @mssql_field_name($this->result, $column); + $columns[$column_name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + $cols = @mssql_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ nextResult() + + /** + * Move the internal result pointer to the next available result + * Currently not supported + * + * @return true if a result is available otherwise return false + * @access public + */ + function nextResult() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'nextResult: resultset has already been freed'); + } + return @mssql_next_result($this->result); + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + $free = @mssql_free_result($this->result); + if (!$free) { + if (is_null($this->result)) { + return MDB2_OK; + } + return $this->db->raiseError(); + } + $this->result = null; + return MDB2_OK; + } +} + +class MDB2_BufferedResult_mssql extends MDB2_Result_mssql +{ + // }}} + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, + 'seek: tried to seek to an invalid row number ('.$rownum.')'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + $rows = @mssql_num_rows($this->result); + if (is_null($rows)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + return $this->raiseError(); + } + if ($this->limit) { + $rows -= $this->limit; + if ($rows < 0) { + $rows = 0; + } + } + return $rows; + } +} +// }}} +// {{{ MDB2_Statement_mssql +class MDB2_Statement_mssql extends MDB2_Statement_Common +{ + +} +// }}} + +?> diff --git a/program/lib/MDB2/Driver/mysqli.php b/program/lib/MDB2/Driver/mysqli.php new file mode 100755 index 000000000..f23132250 --- /dev/null +++ b/program/lib/MDB2/Driver/mysqli.php @@ -0,0 +1,1106 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 MySQL driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_mysqli extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "\\"; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'mysqli'; + $this->dbsyntax = 'mysqli'; + + $this->supported['sequences'] = 'emulated'; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['transactions'] = false; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['current_id'] = 'emulated'; + $this->supported['limit_queries'] = true; + $this->supported['LOBs'] = true; + $this->supported['replace'] = true; + $this->supported['sub_selects'] = false; + $this->supported['auto_increment'] = true; + $this->supported['primary_key'] = true; + + $this->options['default_table_type'] = null; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + if ($this->connection) { + $native_code = @mysqli_errno($this->connection); + $native_msg = @mysqli_error($this->connection); + } else { + $native_code = @mysqli_errno(); + $native_msg = @mysqli_error(); + } + if (is_null($error)) { + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + 1004 => MDB2_ERROR_CANNOT_CREATE, + 1005 => MDB2_ERROR_CANNOT_CREATE, + 1006 => MDB2_ERROR_CANNOT_CREATE, + 1007 => MDB2_ERROR_ALREADY_EXISTS, + 1008 => MDB2_ERROR_CANNOT_DROP, + 1022 => MDB2_ERROR_ALREADY_EXISTS, + 1044 => MDB2_ERROR_ACCESS_VIOLATION, + 1046 => MDB2_ERROR_NODBSELECTED, + 1048 => MDB2_ERROR_CONSTRAINT, + 1049 => MDB2_ERROR_NOSUCHDB, + 1050 => MDB2_ERROR_ALREADY_EXISTS, + 1051 => MDB2_ERROR_NOSUCHTABLE, + 1054 => MDB2_ERROR_NOSUCHFIELD, + 1061 => MDB2_ERROR_ALREADY_EXISTS, + 1062 => MDB2_ERROR_ALREADY_EXISTS, + 1064 => MDB2_ERROR_SYNTAX, + 1091 => MDB2_ERROR_NOT_FOUND, + 1100 => MDB2_ERROR_NOT_LOCKED, + 1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + 1142 => MDB2_ERROR_ACCESS_VIOLATION, + 1146 => MDB2_ERROR_NOSUCHTABLE, + 1216 => MDB2_ERROR_CONSTRAINT, + 1217 => MDB2_ERROR_CONSTRAINT, + ); + } + if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) { + $ecode_map[1022] = MDB2_ERROR_CONSTRAINT; + $ecode_map[1048] = MDB2_ERROR_CONSTRAINT_NOT_NULL; + $ecode_map[1062] = MDB2_ERROR_CONSTRAINT; + } else { + // Doing this in case mode changes during runtime. + $ecode_map[1022] = MDB2_ERROR_ALREADY_EXISTS; + $ecode_map[1048] = MDB2_ERROR_CONSTRAINT; + $ecode_map[1062] = MDB2_ERROR_ALREADY_EXISTS; + } + if (isset($ecode_map[$native_code])) { + $error = $ecode_map[$native_code]; + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ escape() + + /** + * Quotes a string so it can be safely used in a query. It will quote + * the text so it can safely be used within a query. + * + * @param string $text the input string to quote + * @return string quoted string + * @access public + */ + function escape($text) + { + return @mysqli_escape_string($this->connection, $text); + } + + // }}} + // {{{ quoteIdentifier() + + /** + * Quote a string so it can be safely used as a table or column name + * + * Quoting style depends on which database driver is being used. + * + * MySQL can't handle the backtick character (`) in + * table or column names. + * + * @param string $str identifier name to be quoted + * + * @return string quoted identifier string + * + * @access public + * @internal + */ + function quoteIdentifier($str) + { + return '`' . $str . '`'; + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if (!$this->supports('transactions')) { + return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'beginTransaction: transactions are not in use'); + } + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + $result = $this->_doQuery('SET AUTOCOMMIT = 0', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->supports('transactions')) { + return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'commit: transactions are not in use'); + } + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + $result = $this->_doQuery('COMMIT', true); + if (PEAR::isError($result)) { + return $result; + } + $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->supports('transactions')) { + return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'rollback: transactions are not in use'); + } + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + $result = $this->_doQuery('ROLLBACK', true); + if (PEAR::isError($result)) { + return $result; + } + $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + */ + function connect() + { + if (is_object($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0) { + return MDB2_OK; + } + $this->connection = 0; + } + + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + @ini_set('track_errors', true); + $php_errormsg = ''; + + if ($this->options['ssl'] === true) { + $init = @mysqli_init(); + @mysqli_ssl_set( + $init, + empty($this->dsn['key']) ? null : $this->dsn['key'], + empty($this->dsn['cert']) ? null : $this->dsn['cert'], + empty($this->dsn['ca']) ? null : $this->dsn['ca'], + empty($this->dsn['capath']) ? null : $this->dsn['capath'], + empty($this->dsn['cipher']) ? null : $this->dsn['cipher'] + ); + if ($connection = @mysqli_real_connect( + $init, + $this->dsn['hostspec'], + $this->dsn['username'], + $this->dsn['password'], + $this->database_name, + $this->dsn['port'], + $this->dsn['socket'])) + { + $connection = $init; + } + } else { + $connection = @mysqli_connect( + $this->dsn['hostspec'], + $this->dsn['username'], + $this->dsn['password'], + $this->database_name, + $this->dsn['port'], + $this->dsn['socket'] + ); + } + + @ini_restore('track_errors'); + + if (!$connection) { + if (($err = @mysqli_connect_error()) != '') { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $err); + } else { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $php_errormsg); + } + } + + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = $this->database_name; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + $this->supported['transactions'] = false; + if ($this->options['default_table_type']) { + switch (strtoupper($this->options['default_table_type'])) { + case 'BERKELEYDB': + $this->options['default_table_type'] = 'BDB'; + case 'BDB': + case 'INNODB': + case 'GEMINI': + $this->supported['transactions'] = true; + break; + case 'HEAP': + case 'ISAM': + case 'MERGE': + case 'MRG_MYISAM': + case 'MYISAM': + break; + default: + $this->warnings[] = $default_table_type. + ' is not a supported default table type'; + } + } + + if ($this->options['use_transactions'] && !$this->supports('transactions')) { + $this->warnings[] = $this->options['default_table_type']. + ' is not a transaction-safe default table type; switched to INNODB'; + $this->options['default_table_type'] = 'INNODB'; + $this->supported['transactions'] = true; + } + + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_object($this->connection)) { + if ($force) { + @mysqli_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->options['disable_query']) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + if (is_null($database_name)) { + $database_name = $this->database_name; + } + + if ($database_name) { + if ($database_name != $this->connected_database_name) { + if (!@mysqli_select_db($connection, $database_name)) { + return $this->raiseError(); + } + $this->connected_database_name = $database_name; + } + } + + $function = $this->options['result_buffering'] + ? 'mysqli_query' : 'mysqli_unbuffered_query'; + $result = @$function($connection, $query); + if (!$result) { + return $this->raiseError(); + } + + if ($isManip) { + return @mysqli_affected_rows($connection); + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($limit > 0 + && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query) + ) { + $query = rtrim($query); + if (substr($query, -1) == ';') { + $query = substr($query, 0, -1); + } + if ($isManip) { + return $query . " LIMIT $limit"; + } else { + return $query . " LIMIT $offset, $limit"; + } + } + return $query; + } + + // }}} + // {{{ prepare() + + /** + * Prepares a query for multiple execution with execute(). + * With some database backends, this is emulated. + * prepare() requires a generic query as string like + * 'INSERT INTO numbers VALUES(?,?)' or + * 'INSERT INTO numbers VALUES(:foo,:bar)'. + * The ? and :[a-zA-Z] and are placeholders which can be set using + * bindParam() and the query can be send off using the execute() method. + * + * @param string $query the query to prepare + * @param mixed $types array that contains the types of the placeholders + * @param mixed $result_types array that contains the types of the columns in + * the result set + * @return mixed resource handle for the prepared query on success, a MDB2 + * error on failure + * @access public + * @see bindParam, execute + */ + function &prepare($query, $types = null, $result_types = null) + { + $isManip = MDB2::isManip($query); + $query = $this->_modifyQuery($query, $isManip, $this->row_limit, $this->row_offset); + $this->debug($query, 'prepare'); + $placeholder_type_guess = $placeholder_type = null; + $question = '?'; + $colon = ':'; + $position = 0; + while ($position < strlen($query)) { + $q_position = strpos($query, $question, $position); + $c_position = strpos($query, $colon, $position); + if ($q_position && $c_position) { + $p_position = min($q_position, $c_position); + } elseif ($q_position) { + $p_position = $q_position; + } elseif ($c_position) { + $p_position = $c_position; + } else { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type_guess = $query[$p_position]; + } + if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) { + if (!is_int($end_quote = strpos($query, "'", $quote + 1))) { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: query with an unterminated text string specified'); + return $err; + } + switch ($this->escape_quotes) { + case '': + case "'": + $position = $end_quote + 1; + break; + default: + if ($end_quote == $quote + 1) { + $position = $end_quote + 1; + } else { + if ($query[$end_quote-1] == $this->escape_quotes) { + $position = $end_quote; + } else { + $position = $end_quote + 1; + } + } + break; + } + } elseif ($query[$position] == $placeholder_type_guess) { + if ($placeholder_type_guess == '?') { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type = $query[$p_position]; + $question = $colon = $placeholder_type; + } + $name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query); + if ($name === '') { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: named parameter with an empty name'); + return $err; + } + $query = substr_replace($query, '?', $position, strlen($name)+1); + $position = $p_position + 1; + } else { + $position = $p_position; + } + } + $statement = @mysqli_prepare($this->connection, $query); + $class_name = 'MDB2_Statement_'.$this->phptype; + $obj =& new $class_name($this, $statement, $query, $types, $result_types); + return $obj; + } + + // }}} + // {{{ replace() + + /** + * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT + * query, except that if there is already a row in the table with the same + * key field values, the REPLACE query just updates its values instead of + * inserting a new row. + * + * The REPLACE type of query does not make part of the SQL standards. Since + * practically only MySQL implements it natively, this type of query is + * emulated through this method for other DBMS using standard types of + * queries inside a transaction to assure the atomicity of the operation. + * + * @access public + * + * @param string $table name of the table on which the REPLACE query will + * be executed. + * @param array $fields associative array that describes the fields and the + * values that will be inserted or updated in the specified table. The + * indexes of the array are the names of all the fields of the table. The + * values of the array are also associative arrays that describe the + * values and other properties of the table fields. + * + * Here follows a list of field properties that need to be specified: + * + * value: + * Value to be assigned to the specified field. This value may be + * of specified in database independent type format as this + * function can perform the necessary datatype conversions. + * + * Default: + * this property is required unless the Null property + * is set to 1. + * + * type + * Name of the type of the field. Currently, all types Metabase + * are supported except for clob and blob. + * + * Default: no type conversion + * + * null + * Boolean property that indicates that the value for this field + * should be set to null. + * + * The default value for fields missing in INSERT queries may be + * specified the definition of a table. Often, the default value + * is already null, but since the REPLACE may be emulated using + * an UPDATE query, make sure that all fields of the table are + * listed in this function argument array. + * + * Default: 0 + * + * key + * Boolean property that indicates that this field should be + * handled as a primary key or at least as part of the compound + * unique index of the table that will determine the row that will + * updated if it exists or inserted a new row otherwise. + * + * This function will fail if no key field is specified or if the + * value of a key field is set to null because fields that are + * part of unique index they may not be null. + * + * Default: 0 + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function replace($table, $fields) + { + $count = count($fields); + $query = $values = ''; + $keys = $colnum = 0; + for (reset($fields); $colnum < $count; next($fields), $colnum++) { + $name = key($fields); + if ($colnum > 0) { + $query .= ','; + $values.= ','; + } + $query.= $name; + if (isset($fields[$name]['null']) && $fields[$name]['null']) { + $value = 'NULL'; + } else { + $value = $this->quote($fields[$name]['value'], $fields[$name]['type']); + } + $values.= $value; + if (isset($fields[$name]['key']) && $fields[$name]['key']) { + if ($value === 'NULL') { + return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, + 'replace: key value '.$name.' may not be NULL'); + } + $keys++; + } + } + if ($keys == 0) { + return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, + 'replace: not specified which fields are keys'); + } + $query = "REPLACE INTO $table ($query) VALUES ($values)"; + $this->last_query = $query; + $this->debug($query, 'query'); + return $this->_doQuery($query, true); + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)"; + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->_doQuery($query, true); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { + $this->loadModule('Manager'); + // Since we are creating the sequence on demand + // we know the first id = 1 so initialize the + // sequence at 2 + $result = $this->manager->createSequence($seq_name, 2); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence '.$seq_name.' could not be created'); + } else { + // First ID of a newly created sequence is 1 + return 1; + } + } + return $result; + } + $value = @mysqli_insert_id($this->connection); + if (is_numeric($value)) { + $query = "DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value"; + $result = $this->_doQuery($query, true); + if (PEAR::isError($result)) { + $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; + } + } + return $value; + } + + // }}} + // {{{ lastInsertID() + + /** + * returns the autoincrement ID if supported or $id + * + * @param mixed $id value as returned by getBeforeId() + * @param string $table name of the table into which a new row was inserted + * @return mixed MDB2 Error Object or id + * @access public + */ + function lastInsertID($table = null, $field = null) + { + $value = @mysqli_insert_id($this->connection); + if (!$value) { + return $this->raiseError(); + } + return $value; + } + + // }}} + // {{{ currID() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2 Error Object or id + * @access public + */ + function currID($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name"; + return $this->queryOne($query, 'integer'); + } +} + +class MDB2_Result_mysqli extends MDB2_Result_Common +{ + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @mysqli_fetch_assoc($this->result); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + $row = @mysqli_fetch_row($this->result); + } + + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_info = @mysqli_fetch_field_direct($this->result, $column); + $columns[$column_info->name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + $cols = @mysqli_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with result. + * + * @return boolean true on success, false if result is invalid + * @access public + */ + function free() + { + @mysqli_free_result($this->result); + $this->result = null; + return MDB2_OK; + } +} + +class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli +{ + // }}} + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if ($this->rownum != ($rownum - 1) && !@mysqli_data_seek($this->result, $rownum)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, + 'seek: tried to seek to an invalid row number ('.$rownum.')'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + $rows = @mysqli_num_rows($this->result); + if (is_null($rows)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + return $this->raiseError(); + } + return $rows; + } +} + +class MDB2_Statement_mysqli extends MDB2_Statement_Common +{ + // {{{ _execute() + + /** + * Execute a prepared query statement helper method. + * + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access private + */ + function &_execute($result_class = true, $result_wrap_class = false) + { + $isManip = MDB2::isManip($this->query); + $this->db->last_query = $this->query; + $this->db->debug($this->query, 'execute'); + if ($this->db->getOption('disable_query')) { + if ($isManip) { + $return = 0; + return $return; + } + $null = null; + return $null; + } + + $connected = $this->db->connect(); + if (PEAR::isError($connected)) { + return $connected; + } + + if (!empty($this->values)) { + $parameters = array(0 => $this->statement, 1 => ''); + $i = 0; + foreach ($this->values as $parameter => $value) { + $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; + $close = false; + if ($type == 'clob' || $type == 'blob') { + if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { + $close = true; + if ($match[1] == 'file://') { + $value = $match[2]; + } + $value = @fopen($value, 'r'); + } + } + if (is_resource($value)) { + while (!@feof($value)) { + $data = @fread($value, $this->db->options['lob_buffer_length']); + @mysqli_stmt_send_long_data($this->statement, $i, $data); + } + if ($close) { + @fclose($value); + } + $parameters[] = null; + $parameters[1].= 'b'; + } elseif ($type == 'clob' || $type == 'blob') { + do { + $data = substr($value, 0, $this->db->options['lob_buffer_length']); + $value = substr($value, $this->db->options['lob_buffer_length']); + @mysqli_stmt_send_long_data($this->statement, $i, $data); + } while ($value); + $parameters[] = null; + $parameters[1].= 'b'; + } else { + $parameters[] = $this->db->quote($value, $type, false); + $parameters[1].= $this->db->datatype->mapPrepareDatatype($type); + } + ++$i; + } + $result = @call_user_func_array('mysqli_stmt_bind_param', $parameters); + if ($result === false) { + $err =& $this->db->raiseError(); + return $err; + } + } + + if (!@mysqli_stmt_execute($this->statement)) { + $err =& $this->db->raiseError(); + return $err; + } + + if (!mysqli_stmt_result_metadata($this->statement)) { + $result = @mysqli_stmt_affected_rows($this->statement); + return $result; + } + + if ($this->db->options['result_buffering']) { + mysqli_stmt_store_result($this->statement); + } + + $result &= $this->db->_wrapResult($result, $this->types, + $result_class, $result_wrap_class); + return $result; + } + + // }}} + + // }}} + + // }}} + // {{{ free() + + /** + * Release resources allocated for the specified prepared query. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function free() + { + if (!@mysqli_stmt_close($this->statement)) { + return $this->db->raiseError(); + } + return MDB2_OK; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/oci8.php b/program/lib/MDB2/Driver/oci8.php new file mode 100755 index 000000000..0a58b82c1 --- /dev/null +++ b/program/lib/MDB2/Driver/oci8.php @@ -0,0 +1,1167 @@ + | +// +----------------------------------------------------------------------+ + +// $Id$ + +/** + * MDB2 OCI8 driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_oci8 extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "'"; + + var $uncommitedqueries = 0; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'oci8'; + $this->dbsyntax = 'oci8'; + + $this->supported['sequences'] = true; + $this->supported['indexes'] = true; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['current_id'] = true; + $this->supported['affected_rows'] = true; + $this->supported['transactions'] = true; + $this->supported['limit_queries'] = 'emulated'; + $this->supported['LOBs'] = true; + $this->supported['replace'] = 'emulated'; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = false; // not implemented + $this->supported['primary_key'] = false; // not implemented + + $this->options['DBA_username'] = false; + $this->options['DBA_password'] = false; + $this->options['database_name_prefix'] = false; + $this->options['emulate_database'] = true; + $this->options['default_tablespace'] = false; + $this->options['default_text_field_length'] = 4000; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + if (is_resource($error)) { + $error_data = @OCIError($error); + $error = null; + } elseif ($this->connection) { + $error_data = @OCIError($this->connection); + } else { + $error_data = @OCIError(); + } + $native_code = $error_data['code']; + $native_msg = $error_data['message']; + if (is_null($error)) { + static $ecode_map; + if (empty($ecode_map)) { + $ecode_map = array( + 1 => MDB2_ERROR_CONSTRAINT, + 900 => MDB2_ERROR_SYNTAX, + 904 => MDB2_ERROR_NOSUCHFIELD, + 913 => MDB2_ERROR_VALUE_COUNT_ON_ROW, + 921 => MDB2_ERROR_SYNTAX, + 923 => MDB2_ERROR_SYNTAX, + 942 => MDB2_ERROR_NOSUCHTABLE, + 955 => MDB2_ERROR_ALREADY_EXISTS, + 1400 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + 1401 => MDB2_ERROR_INVALID, + 1407 => MDB2_ERROR_CONSTRAINT_NOT_NULL, + 1418 => MDB2_ERROR_NOT_FOUND, + 1476 => MDB2_ERROR_DIVZERO, + 1722 => MDB2_ERROR_INVALID_NUMBER, + 2289 => MDB2_ERROR_NOSUCHTABLE, + 2291 => MDB2_ERROR_CONSTRAINT, + 2292 => MDB2_ERROR_CONSTRAINT, + 2449 => MDB2_ERROR_CONSTRAINT, + ); + } + if (isset($ecode_map[$native_code])) { + $error = $ecode_map[$native_code]; + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $this->in_transaction = true; + ++$this->uncommitedqueries; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + if ($this->uncommitedqueries) { + if (!@OCICommit($this->connection)) { + return $this->raiseError(); + } + $this->uncommitedqueries = 0; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + if ($this->uncommitedqueries) { + if (!@OCIRollback($this->connection)) { + return $this->raiseError(); + } + $this->uncommitedqueries = 0; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ _doConnect() + + /** + * do the grunt work of the connect + * + * @return connection on success or MDB2 Error Object on failure + * @access protected + */ + function _doConnect($username, $password, $persistent = false) + { + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'extension '.$this->phptype.' is not compiled into PHP'); + } + + if (isset($this->dsn['hostspec'])) { + $sid = $this->dsn['hostspec']; + } else { + $sid = getenv('ORACLE_SID'); + } + if (empty($sid)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'it was not specified a valid Oracle Service Identifier (SID)'); + } + + if (function_exists('oci_connect')) { + if (isset($this->dsn['new_link']) + && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true) + ) { + $connect_function = 'oci_new_connect'; + } else { + $connect_function = $persistent ? 'oci_pconnect' : 'oci_connect'; + } + + $charset = empty($this->dsn['charset']) ? null : $this->dsn['charset']; + $connection = @$connect_function($username, $password, $sid, $charset); + $error = @OCIError(); + if (isset($error['code']) && $error['code'] == 12541) { + // Couldn't find TNS listener. Try direct connection. + $connection = @$connect_function($username, $password, null, $charset); + } + } else { + $connect_function = $persistent ? 'OCIPLogon' : 'OCILogon'; + $connection = @$connect_function($username, $password, $sid); + } + + if (!$connection) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); + } + + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return MDB2_OK on success, MDB2 Error Object on failure + * @access public + */ + function connect() + { + if ($this->database_name && $this->options['emulate_database']) { + $this->dsn['username'] = $this->options['database_name_prefix'].$this->database_name; + } + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + $connection = $this->_doConnect( + $this->dsn['username'], + $this->dsn['password'], + $this->options['persistent'] + ); + if (PEAR::isError($connection)) { + return $connection; + } + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + $query = "ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'"; + $err = $this->_doQuery($query, true); + if (PEAR::isError($err)) { + $this->disconnect(false); + return $err; + } + + $query = "ALTER SESSION SET NLS_NUMERIC_CHARACTERS='. '"; + $err = $this->_doQuery($query, true); + if (PEAR::isError($err)) { + $this->disconnect(false); + return $err; + } + + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + if (function_exists('oci_close')) { + @oci_close($this->connection); + } else { + @OCILogOff($this->connection); + } + } + $this->connection = 0; + $this->uncommitedqueries = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ standaloneQuery() + + /** + * execute a query as DBA + * + * @param string $query the SQL query + * @param mixed $types array that contains the types of the columns in + * the result set + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &standaloneQuery($query, $types = null) + { + $connection = $this->_doConnect( + $this->options['DBA_username'], + $this->options['DBA_password'], + $this->options['persistent'] + ); + if (PEAR::isError($connection)) { + return $connection; + } + + $isManip = MDB2::isManip($query); + $offset = $this->row_offset; + $limit = $this->row_limit; + $this->row_offset = $this->row_limit = 0; + $query = $this->_modifyQuery($query, $isManip, $limit, $offset); + + $result = $this->_doQuery($query, $isManip, $connection, false); + + @OCILogOff($connection); + if (PEAR::isError($result)) { + return $result; + } + + if ($isManip) { + return $result; + } + $return =& $this->_wrapResult($result, $types, true, false, $limit, $offset); + return $return; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query) + { + // "SELECT 2+2" must be "SELECT 2+2 FROM dual" in Oracle + if (preg_match('/^\s*SELECT/i', $query) + && !preg_match('/\sFROM\s/i', $query) + ) { + $query.= " FROM dual"; + } + return $query; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->getOption('disable_query')) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + + $result = @OCIParse($connection, $query); + if (!$result) { + return $this->raiseError(MDB2_ERROR, null, null, + 'Could not create statement'); + } + + $mode = $this->in_transaction ? OCI_DEFAULT : OCI_COMMIT_ON_SUCCESS; + if (!@OCIExecute($result, $mode)) { + return $this->raiseError($result); + } + + if ($isManip) { + return @OCIRowCount($result); + } + + if (is_numeric($this->options['result_buffering'])) { + @ocisetprefetch($result, $this->options['result_buffering']); + } + return $result; + } + + // }}} + // {{{ prepare() + + /** + * Prepares a query for multiple execution with execute(). + * With some database backends, this is emulated. + * prepare() requires a generic query as string like + * 'INSERT INTO numbers VALUES(?,?)' or + * 'INSERT INTO numbers VALUES(:foo,:bar)'. + * The ? and :[a-zA-Z] and are placeholders which can be set using + * bindParam() and the query can be send off using the execute() method. + * + * @param string $query the query to prepare + * @param mixed $types array that contains the types of the placeholders + * @param mixed $result_types array that contains the types of the columns in + * the result set + * @return mixed resource handle for the prepared query on success, a MDB2 + * error on failure + * @access public + * @see bindParam, execute + */ + function &prepare($query, $types = null, $result_types = null) + { + $this->debug($query, 'prepare'); + $query = $this->_modifyQuery($query); + $contains_lobs = false; + if (is_array($types)) { + $columns = $variables = ''; + foreach ($types as $parameter => $type) { + if ($type == 'clob' || $type == 'blob') { + $contains_lobs = true; + $columns.= ($columns ? ', ' : ' RETURNING ').$parameter; + $variables.= ($variables ? ', ' : ' INTO ').':'.$parameter; + } + } + } + $placeholder_type_guess = $placeholder_type = null; + $question = '?'; + $colon = ':'; + $position = 0; + $parameter = -1; + while ($position < strlen($query)) { + $q_position = strpos($query, $question, $position); + $c_position = strpos($query, $colon, $position); + if ($q_position && $c_position) { + $p_position = min($q_position, $c_position); + } elseif ($q_position) { + $p_position = $q_position; + } elseif ($c_position) { + $p_position = $c_position; + } else { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type_guess = $query[$p_position]; + } + if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) { + if (!is_int($end_quote = strpos($query, "'", $quote + 1))) { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: query with an unterminated text string specified'); + return $err; + } + switch ($this->escape_quotes) { + case '': + case "'": + $position = $end_quote + 1; + break; + default: + if ($end_quote == $quote + 1) { + $position = $end_quote + 1; + } else { + if ($query[$end_quote-1] == $this->escape_quotes) { + $position = $end_quote; + } else { + $position = $end_quote + 1; + } + } + break; + } + } elseif ($query[$position] == $placeholder_type_guess) { + if ($placeholder_type_guess == ':' && !$contains_lobs) { + break; + } + if (is_null($placeholder_type)) { + $placeholder_type = $query[$p_position]; + $question = $colon = $placeholder_type; + } + if ($contains_lobs) { + if ($placeholder_type == ':') { + $parameter = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query); + if ($parameter === '') { + $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'prepare: named parameter with an empty name'); + return $err; + } + $length = strlen($parameter)+1; + } else { + ++$parameter; + $length = strlen($parameter); + } + if (isset($types[$parameter]) + && ($types[$parameter] == 'clob' || $types[$parameter] == 'blob') + ) { + $value = $this->quote(true, $types[$parameter]); + $query = substr_replace($query, $value, $p_position, $length); + $position = $p_position + strlen($value) - 1; + } elseif ($placeholder_type == '?') { + $query = substr_replace($query, ':'.$parameter, $p_position, 1); + $position = $p_position + strlen($parameter); + } + } else { + $query = substr_replace($query, ':'.++$parameter, $p_position, 1); + $position = $p_position + strlen($parameter); + } + } else { + $position = $p_position; + } + } + if (is_array($types)) { + $query.= $columns.$variables; + } + $statement = @OCIParse($this->connection, $query); + if (!$statement) { + $err =& $this->raiseError(MDB2_ERROR, null, null, + 'Could not create statement'); + return $err; + } + + $class_name = 'MDB2_Statement_'.$this->phptype; + $obj =& new $class_name($this, $statement, $query, $types, $result_types, $this->row_limit, $this->row_offset); + return $obj; + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "SELECT $sequence_name.nextval FROM DUAL"; + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->queryOne($query, 'integer'); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { + $this->loadModule('Manager'); + $result = $this->manager->createSequence($seq_name, 1); + if (PEAR::isError($result)) { + return $result; + } + return $this->nextId($seq_name, false); + } + } + return $result; + } + + // }}} + // {{{ currId() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2_Error or id + * @access public + */ + function currId($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + return $this->queryOne("SELECT $sequence_name.currval FROM DUAL"); + } +} + +class MDB2_Result_oci8 extends MDB2_Result_Common +{ + // {{{ _skipLimitOffset() + + /** + * Skip the first row of a result set. + * + * @param resource $result + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _skipLimitOffset() + { + if ($this->limit) { + if ($this->rownum > $this->limit) { + return false; + } + } + if ($this->offset) { + while ($this->offset_count < $this->offset) { + ++$this->offset_count; + if (!@OCIFetchInto($this->result, $row, OCI_RETURN_NULLS)) { + $this->offset_count = $this->offset; + return false; + } + } + } + return true; + } + + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!$this->_skipLimitOffset()) { + $null = null; + return $null; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + @OCIFetchInto($this->result, $row, OCI_ASSOC+OCI_RETURN_NULLS); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + @OCIFetchInto($this->result, $row, OCI_RETURN_NULLS); + } + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_RTRIM); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed associative array variable + * that holds the names of columns. The indexes of the array are + * the column names mapped to lower case and the values are the + * respective numbers of the columns starting from 0. Some DBMS may + * not return any columns when the result set does not contain any + * rows. + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_name = @OCIColumnName($this->result, $column + 1); + $columns[$column_name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + * @access public + */ + function numCols() + { + $cols = @OCINumCols($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + $free = @OCIFreeCursor($this->result); + if (!$free) { + if (is_null($this->result)) { + return MDB2_OK; + } + return $this->db->raiseError(); + } + $this->result = null; + return MDB2_OK; + } +} + +class MDB2_BufferedResult_oci8 extends MDB2_Result_oci8 +{ + var $buffer; + var $buffer_rownum = - 1; + + // {{{ _fillBuffer() + + /** + * Fill the row buffer + * + * @param int $rownum row number upto which the buffer should be filled + if the row number is null all rows are ready into the buffer + * @return boolean true on success, false on failure + * @access protected + */ + function _fillBuffer($rownum = null) + { + if (isset($this->buffer) && is_array($this->buffer)) { + if (is_null($rownum)) { + if (!end($this->buffer)) { + return false; + } + } elseif (isset($this->buffer[$rownum])) { + return (bool)$this->buffer[$rownum]; + } + } + + if (!$this->_skipLimitOffset()) { + return false; + } + + $row = true; + while ((is_null($rownum) || $this->buffer_rownum < $rownum) + && (!$this->limit || $this->buffer_rownum < $this->limit) + && ($row = @OCIFetchInto($this->result, $buffer, OCI_RETURN_NULLS)) + ) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = $buffer; + } + + if (!$row) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = false; + return false; + } elseif ($this->limit && $this->buffer_rownum >= $this->limit) { + ++$this->buffer_rownum; + $this->buffer[$this->buffer_rownum] = false; + } + return true; + } + + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + $target_rownum = $this->rownum + 1; + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if (!$this->_fillBuffer($target_rownum)) { + $null = null; + return $null; + } + $row = $this->buffer[$target_rownum]; + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $column_names = $this->getColumnNames(); + foreach ($column_names as $name => $i) { + $column_names[$name] = $row[$i]; + } + $row = $column_names; + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_RTRIM); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'valid: resultset has already been freed'); + } + if ($this->_fillBuffer($this->rownum + 1)) { + return true; + } + return false; + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + $this->_fillBuffer(); + return $this->buffer_rownum; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with $result. + * + * @return boolean true on success, false if $result is invalid + * @access public + */ + function free() + { + $this->buffer = null; + $this->buffer_rownum = null; + $free = parent::free(); + } +} + +class MDB2_Statement_oci8 extends MDB2_Statement_Common +{ + // }}} + // {{{ _execute() + + /** + * Execute a prepared query statement helper method. + * + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access private + */ + function &_execute($result_class = true, $result_wrap_class = false) + { + $isManip = MDB2::isManip($this->query); + $this->db->last_query = $this->query; + $this->db->debug($this->query, 'execute'); + if ($this->db->getOption('disable_query')) { + if ($isManip) { + $return = 0; + return $return; + } + $null = null; + return $null; + } + + $connected = $this->db->connect(); + if (PEAR::isError($connected)) { + return $connected; + } + + $result = MDB2_OK; + $lobs = $quoted_values = array(); + $i = 0; + foreach ($this->values as $parameter => $value) { + $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; + if ($type == 'clob' || $type == 'blob') { + $lobs[$i]['file'] = false; + if (is_resource($value)) { + $fp = $value; + $value = ''; + while (!feof($fp)) { + $value.= fread($fp, 8192); + } + } elseif (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { + $lobs[$i]['file'] = true; + if ($match[1] == 'file://') { + $value = $match[2]; + } + } + $lobs[$i]['value'] = $value; + $lobs[$i]['descriptor'] = @OCINewDescriptor($this->db->connection, OCI_D_LOB); + if (!is_object($lobs[$i]['descriptor'])) { + $result = $this->db->raiseError(); + break; + } + $lob_type = ($type == 'blob' ? OCI_B_BLOB : OCI_B_CLOB); + if (!@OCIBindByName($this->statement, ':'.$parameter, $lobs[$i]['descriptor'], -1, $lob_type)) { + $result = $this->db->raiseError($this->statement); + break; + } + } else { + $quoted_values[$i] = $this->db->quote($value, $type, false); + if (PEAR::isError($quoted_values[$i])) { + return $quoted_values[$i]; + } + if (!@OCIBindByName($this->statement, ':'.$parameter, $quoted_values[$i])) { + $result = $this->db->raiseError($this->statement); + break; + } + } + ++$i; + } + + if (!PEAR::isError($result)) { + $mode = (!empty($lobs) || $this->db->in_transaction) ? OCI_DEFAULT : OCI_COMMIT_ON_SUCCESS; + if (!@OCIExecute($this->statement, $mode)) { + $err =& $this->db->raiseError($this->statement); + return $err; + } + + if (!empty($lobs)) { + foreach ($lobs as $i => $stream) { + if (!is_null($stream['value']) && $stream['value'] !== '') { + if ($stream['file']) { + $result = $lobs[$i]['descriptor']->savefile($stream['value']); + } else { + $result = $lobs[$i]['descriptor']->save($stream['value']); + } + if (!$result) { + $result = $this->db->raiseError(); + break; + } + } + } + + if (!PEAR::isError($result)) { + if (!$this->db->in_transaction) { + if (!@OCICommit($this->db->connection)) { + $result = $this->db->raiseError(); + } + } else { + ++$this->db->uncommitedqueries; + } + } + } + } + + $keys = array_keys($lobs); + foreach ($keys as $key) { + $lobs[$key]['descriptor']->free(); + } + + if (PEAR::isError($result)) { + return $result; + } + + if ($isManip) { + $return = @OCIRowCount($this->statement); + } else { + $return = $this->db->_wrapResult($this->statement, $isManip, $this->types, + $result_class, $result_wrap_class, $this->row_offset, $this->row_limit); + } + return $return; + } + + // }}} + // {{{ free() + + /** + * Release resources allocated for the specified prepared query. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function free() + { + if (!@OCIFreeStatement($this->statement)) { + return $this->db->raiseError(); + } + return MDB2_OK; + } +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/pgsql.php b/program/lib/MDB2/Driver/pgsql.php new file mode 100755 index 000000000..72891b0b6 --- /dev/null +++ b/program/lib/MDB2/Driver/pgsql.php @@ -0,0 +1,771 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +/** + * MDB2 PostGreSQL driver + * + * @package MDB2 + * @category Database + * @author Paul Cooper + */ +class MDB2_Driver_pgsql extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "\\"; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'pgsql'; + $this->dbsyntax = 'pgsql'; + + $this->supported['sequences'] = true; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['transactions'] = true; + $this->supported['current_id'] = true; + $this->supported['limit_queries'] = true; + $this->supported['LOBs'] = true; + $this->supported['replace'] = 'emulated'; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = 'emulated'; + $this->supported['primary_key'] = true; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + // Fall back to MDB2_ERROR if there was no mapping. + $error_code = MDB2_ERROR; + + $native_msg = ''; + if (is_resource($error)) { + $native_msg = @pg_result_error($error); + } elseif ($this->connection) { + $native_msg = @pg_last_error($this->connection); + if (!$native_msg && @pg_connection_status($this->connection) === PGSQL_CONNECTION_BAD) { + $native_msg = 'Database connection has been lost.'; + $error_code = MDB2_ERROR_CONNECT_FAILED; + } + } + + static $error_regexps; + if (empty($error_regexps)) { + $error_regexps = array( + '/column .* (of relation .*)?does not exist/i' + => MDB2_ERROR_NOSUCHFIELD, + '/(relation|sequence|table).*does not exist|class .* not found/i' + => MDB2_ERROR_NOSUCHTABLE, + '/index .* does not exist/' + => MDB2_ERROR_NOT_FOUND, + '/relation .* already exists/i' + => MDB2_ERROR_ALREADY_EXISTS, + '/(divide|division) by zero$/i' + => MDB2_ERROR_DIVZERO, + '/pg_atoi: error in .*: can\'t parse /i' + => MDB2_ERROR_INVALID_NUMBER, + '/invalid input syntax for( type)? (integer|numeric)/i' + => MDB2_ERROR_INVALID_NUMBER, + '/value .* is out of range for type \w*int/i' + => MDB2_ERROR_INVALID_NUMBER, + '/integer out of range/i' + => MDB2_ERROR_INVALID_NUMBER, + '/value too long for type character/i' + => MDB2_ERROR_INVALID, + '/attribute .* not found|relation .* does not have attribute/i' + => MDB2_ERROR_NOSUCHFIELD, + '/column .* specified in USING clause does not exist in (left|right) table/i' + => MDB2_ERROR_NOSUCHFIELD, + '/parser: parse error at or near/i' + => MDB2_ERROR_SYNTAX, + '/syntax error at/' + => MDB2_ERROR_SYNTAX, + '/column reference .* is ambiguous/i' + => MDB2_ERROR_SYNTAX, + '/permission denied/' + => MDB2_ERROR_ACCESS_VIOLATION, + '/violates not-null constraint/' + => MDB2_ERROR_CONSTRAINT_NOT_NULL, + '/violates [\w ]+ constraint/' + => MDB2_ERROR_CONSTRAINT, + '/referential integrity violation/' + => MDB2_ERROR_CONSTRAINT, + '/more expressions than target columns/i' + => MDB2_ERROR_VALUE_COUNT_ON_ROW, + ); + } + foreach ($error_regexps as $regexp => $code) { + if (preg_match($regexp, $native_msg)) { + $error_code = $code; + break; + } + } + + return array($error_code, null, $native_msg); + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $result = $this->_doQuery('BEGIN', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + $result = $this->_doQuery('COMMIT', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + $result = $this->_doQuery('ROLLBACK', true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ _doConnect() + + /** + * Does the grunt work of connecting to the database + * + * @return mixed connection resource on success, MDB2 Error Object on failure + * @access protected + **/ + function _doConnect($database_name, $persistent = false) + { + if ($database_name == '') { + $database_name = 'template1'; + } + + $protocol = $this->dsn['protocol'] ? $this->dsn['protocol'] : 'tcp'; + + $params = array(''); + if ($protocol == 'tcp') { + if ($this->dsn['hostspec']) { + $params[0].= 'host=' . $this->dsn['hostspec']; + } + if ($this->dsn['port']) { + $params[0].= ' port=' . $this->dsn['port']; + } + } elseif ($protocol == 'unix') { + // Allow for pg socket in non-standard locations. + if ($this->dsn['socket']) { + $params[0].= 'host=' . $this->dsn['socket']; + } + if ($this->dsn['port']) { + $params[0].= ' port=' . $this->dsn['port']; + } + } + if ($database_name) { + $params[0].= ' dbname=\'' . addslashes($database_name) . '\''; + } + if ($this->dsn['username']) { + $params[0].= ' user=\'' . addslashes($this->dsn['username']) . '\''; + } + if ($this->dsn['password']) { + $params[0].= ' password=\'' . addslashes($this->dsn['password']) . '\''; + } + if (!empty($this->dsn['options'])) { + $params[0].= ' options=' . $this->dsn['options']; + } + if (!empty($this->dsn['tty'])) { + $params[0].= ' tty=' . $this->dsn['tty']; + } + if (!empty($this->dsn['connect_timeout'])) { + $params[0].= ' connect_timeout=' . $this->dsn['connect_timeout']; + } + if (!empty($this->dsn['sslmode'])) { + $params[0].= ' sslmode=' . $this->dsn['sslmode']; + } + if (!empty($this->dsn['service'])) { + $params[0].= ' service=' . $this->dsn['service']; + } + + if (isset($this->dsn['new_link']) + && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)) + { + if (version_compare(phpversion(), '4.3.0', '>=')) { + $params[] = PGSQL_CONNECT_FORCE_NEW; + } + } + + $connect_function = $persistent ? 'pg_pconnect' : 'pg_connect'; + + putenv('PGDATESTYLE=ISO'); + + @ini_set('track_errors', true); + $php_errormsg = ''; + $connection = @call_user_func_array($connect_function, $params); + @ini_restore('track_errors'); + if (!$connection) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, + null, null, strip_tags($php_errormsg)); + } + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + * @access public + **/ + function connect() + { + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->connected_database_name == $this->database_name + && ($this->opened_persistent == $this->options['persistent']) + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + if ($this->database_name) { + $connection = $this->_doConnect($this->database_name, $this->options['persistent']); + if (PEAR::isError($connection)) { + return $connection; + } + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = $this->database_name; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + } + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + @pg_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ standaloneQuery() + + /** + * execute a query as DBA + * + * @param string $query the SQL query + * @param mixed $types array that contains the types of the columns in + * the result set + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &standaloneQuery($query, $types = null) + { + $connection = $this->_doConnect('template1', false); + if (PEAR::isError($connection)) { + $err =& $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, + 'Cannot connect to template1'); + return $err; + } + + $isManip = MDB2::isManip($query); + $offset = $this->row_offset; + $limit = $this->row_limit; + $this->row_offset = $this->row_limit = 0; + $query = $this->_modifyQuery($query, $isManip, $limit, $offset); + + $result = $this->_doQuery($query, $isManip, $connection, false); + @pg_close($connection); + if (PEAR::isError($result)) { + return $result; + } + + if ($isManip) { + return $result; + } + + $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset); + return $result; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->options['disable_query']) { + if ($isManip) { + return 0; + } + return null; + } + + if (is_null($connection)) { + $err = $this->connect(); + if (PEAR::isError($err)) { + return $err; + } + $connection = $this->connection; + } + + $result = @pg_query($connection, $query); + if (!$result) { + return $this->raiseError(); + } + + if ($isManip) { + return @pg_affected_rows($result); + } elseif (!preg_match('/^\s*\(*\s*(SELECT|EXPLAIN|FETCH|SHOW)\s/si', $query)) { + return 0; + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($limit > 0 + && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query) + ) { + $query = rtrim($query); + if (substr($query, -1) == ';') { + $query = substr($query, 0, -1); + } + if ($isManip) { + $manip = preg_replace('/^(DELETE FROM|UPDATE).*$/', '\\1', $query); + $from = $match[2]; + $where = $match[3]; + $query = $manip.' '.$from.' WHERE ctid=(SELECT ctid FROM '.$from.' '.$where.' LIMIT '.$limit.')'; + } else { + $query.= " LIMIT $limit OFFSET $offset"; + } + } + return $query; + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "SELECT NEXTVAL('$sequence_name')"; + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->queryOne($query, 'integer'); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { + $this->loadModule('Manager'); + $result = $this->manager->createSequence($seq_name, 1); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence could not be created'); + } + return $this->nextId($seq_name, false); + } + } + return $result; + } + + // }}} + // {{{ currID() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2 Error Object or id + * @access public + */ + function currID($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + return $this->queryOne("SELECT last_value FROM $sequence_name", 'integer'); + } +} + +class MDB2_Result_pgsql extends MDB2_Result_Common +{ + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @pg_fetch_array($this->result, null, PGSQL_ASSOC); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + ) { + $row = array_change_key_case($row, $this->db->options['field_case']); + } + } else { + $row = @pg_fetch_row($this->result); + } + if (!$row) { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + $null = null; + return $null; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { + $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_name = @pg_field_name($this->result, $column); + $columns[$column_name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @access public + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + */ + function numCols() + { + $cols = @pg_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } + + // }}} + // {{{ free() + + /** + * Free the internal resources associated with result. + * + * @return boolean true on success, false if result is invalid + * @access public + */ + function free() + { + $free = @pg_free_result($this->result); + if (!$free) { + if (is_null($this->result)) { + return MDB2_OK; + } + return $this->db->raiseError(); + } + $this->result = null; + return MDB2_OK; + } +} + +class MDB2_BufferedResult_pgsql extends MDB2_Result_pgsql +{ + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if ($this->rownum != ($rownum - 1) && !@pg_result_seek($this->result, $rownum)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, + 'seek: tried to seek to an invalid row number ('.$rownum.')'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + $rows = @pg_num_rows($this->result); + if (is_null($rows)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + return $this->raiseError(); + } + return $rows; + } +} + +class MDB2_Statement_pgsql extends MDB2_Statement_Common +{ + +} +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/querysim.php b/program/lib/MDB2/Driver/querysim.php new file mode 100755 index 000000000..928a86bd1 --- /dev/null +++ b/program/lib/MDB2/Driver/querysim.php @@ -0,0 +1,684 @@ + | +// | Bert Dawson | +// +----------------------------------------------------------------------+ +// | Original PHP Author: Alan Richmond | +// | David Huyck | +// +----------------------------------------------------------------------+ +// | Special note concerning code documentation: | +// | QuerySim was originally created for use during development of | +// | applications built using the Fusebox framework. (www.fusebox.org) | +// | Fusebox uses an XML style of documentation called Fusedoc. (Which | +// | is admittedly not well suited to documenting classes and functions. | +// | This short-coming is being addressed by the Fusebox community.) PEAR | +// | uses a Javadoc style of documentation called PHPDoc. (www.phpdoc.de) | +// | Since this class extension spans two groups of users, it is asked | +// | that the members of each respect the documentation standard of the | +// | other. So it is a further requirement that both documentation | +// | standards be included and maintained. If assistance is required | +// | please contact Alan Richmond. | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/* + + + I take information and turn it into a recordset that can be accessed + through the PEAR MDB2 API. Based on Hal Helms' QuerySim.cfm ColdFusion + custom tag available at halhelms.com. + + + + + + + + Extensive revision that is backwardly compatible but eliminates the + need for a separate .sim file. + + + Rewrote in PHP as an extention to the PEAR DB API. + Functions supported: + connect, disconnect, query, fetchRow, freeResult, + numCols, numRows, getSpecialQuery + David Huyck (bombusbee.com) added ability to escape special + characters (i.e., delimiters) using a '\'. + Extended PEAR DB options[] for adding incoming parameters. Added + options: columnDelim, dataDelim, eolDelim + + + Added the ability to set the QuerySim options at runtime. + Default options are: + 'columnDelim' => ',', // Commas split the column names + 'dataDelim' => '|', // Pipes split the data fields + 'eolDelim' => chr(13).chr(10) // Carriage returns split the + // lines of data + Affected functions are: + DB_querysim(): set the default options when the + constructor method is called + _parseQuerySim($query): altered the parsing of lines, column + names, and data fields + _empty2null: altered the way this function is called + to simplify calling it + + + Added error catching for malformed QuerySim text. + Bug fix _empty2null(): altered version was returning unmodified + lineData. + Cleanup: + PEAR compliant formatting, finished PHPDocs and added 'out' to + Fusedoc 'io'. + Broke up _parseQuerySim() into _buildResult() and _parseOnDelim() + to containerize duplicate parse code. + + + Edited the _buildResult() and _parseOnDelim() functions to improve + reliability of special character escaping. + Re-introduced a custom setOption() method to throw an error when a + person tries to set one of the delimiters to '\'. + + + Added '/' delimiter param to preg_quote() in _empty2null() and + _parseOnDelim() so '/' can be used as a delimiter. + Added error check for columnDelim == eolDelim or dataDelim == eolDelim. + Renamed some variables for consistancy. + + + Removed protected function _empty2null(). Turns out preg_split() + deals with empty elemants by making them zero length strings, just + what they ended up being anyway. This should speed things up a little. + Affected functions: + _parseOnDelim() perform trim on line here, instead of in + _empty2null(). + _buildResult() remove call to _empty2null(). + _empty2null() removed function. + + + Ported to PEAR MDB2. + Methods supported: + connect, query, getColumnNames, numCols, valid, fetch, + numRows, free, fetchRow, nextResult, setLimit + (inherited). + + + + Changed default eolDelim to a *nix file eol, since we're trimming + the result anyway, it makes no difference for Windows. Now only + Mac file eols should need to be set (and other kinds of chars). + + + Got WAY too long. See querysim_readme.txt for instructions and some + examples. + io section only documents elements of DB_result that DB_querysim uses, + adds or changes; see MDB2 and MDB2_Driver_Common for more info. + io section uses some elements that are not Fusedoc 2.0 compliant: + object and resource. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +*/ + +/** + * MDB2 QuerySim driver + * + * @package MDB2 + * @category Database + * @author Alan Richmond + */ +class MDB2_Driver_querysim extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "\\"; + // }}} + + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'querysim'; + $this->dbsyntax = 'querysim'; + + // Most of these are dummies to simulate availability if checked + $this->supported['sequences'] = 'emulated'; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = false; + $this->supported['summary_functions'] = false; + $this->supported['order_by_text'] = false; + $this->supported['current_id'] = 'emulated'; + $this->supported['limit_queries'] = true;// this one is real + $this->supported['LOBs'] = true; + $this->supported['replace'] = 'emulated'; + $this->supported['sub_selects'] = 'emulated'; + $this->supported['transactions'] = false; + $this->supported['auto_increment'] = false; + $this->supported['primary_key'] = false; + + $this->options['columnDelim'] = ','; + $this->options['dataDelim'] = '|'; + $this->options['eolDelim'] = "\n"; + } + + // }}} + + // {{{ connect() + + /** + * Open a file or simulate a successful database connect + * + * @access public + * + * @return mixed MDB2_OK string on success, a MDB2 error object on failure + */ + function connect() + { + if (is_resource($this->connection)) { + if ($this->connected_database_name == $this->database_name + && ($this->opened_persistent == $this->options['persistent']) + ) { + return MDB2_OK; + } + if ($this->connected_database_name) { + $this->_close($this->connection); + } + $this->disconnect(); + } + + $connection = 1;// sim connect + // if external, check file... + if ($this->database_name) { + $file = $this->database_name; + if (!file_exists($file)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, 'file not found'); + } + if (!is_file($file)) { + return $this->raiseError(MDB2_ERROR_INVALID, null, null, 'not a file'); + } + if (!is_readable($file)) { + return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION, null, null, + 'could not open file - check permissions'); + } + // ...and open if persistent + if ($this->options['persistent']) { + $connection = @fopen($file, 'r'); + } + } + $this->connection = $connection; + $this->connected_database_name = $this->database_name; + $this->opened_persistent = $this->options['persistent']; + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + + return MDB2_OK; + } + // }}} + + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect() + { + if (is_resource($this->connection)) { + if (($this->opened_persistent) && (is_resource($this->connection))) { + if (!@fclose($this->connection)) { + return $this->raiseError(); + } + } + $this->connection = 0; + } + return MDB2_OK; + } + // }}} + + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + if ($isManip) { + return $this->raiseError(MDB2_ERROR_UNSUPPORTED); + } + + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->options['disable_query']) { + return null; + } + + $result = $this->_buildResult($query); + if (PEAR::isError($result)) { + return $result; + } + + if ($limit > 0) { + $result[1] = array_slice($result[1], $offset-1, $limit); + } + return $result; + } + // }}} + + // {{{ _readFile() + + /** + * Read an external file + * + * @param string filepath/filename + * + * @access protected + * + * @return string the contents of a file + */ + function _readFile() + { + $buffer = ''; + if ($this->opened_persistent) { + while (!feof($this->connection)) { + $buffer.= fgets($this->connection, 1024); + } + } else { + $this->connection = @fopen($this->connected_database_name, 'r'); + while (!feof($this->connection)) { + $buffer.= fgets($this->connection, 1024); + } + $this->connection = @fclose($this->connection); + } + return $buffer; + } + // }}} + + // {{{ _buildResult() + + /** + * Convert QuerySim text into an array + * + * @param string Text of simulated query + * + * @access protected + * + * @return multi-dimensional array containing the column names and data + * from the QuerySim + */ + function _buildResult($query) + { + $eolDelim = $this->options['eolDelim']; + $columnDelim = $this->options['columnDelim']; + $dataDelim = $this->options['dataDelim']; + + $columnNames = array(); + $data = array(); + + if ($columnDelim == $eolDelim) { + return $this->raiseError(MDB2_ERROR_INVALID, null, null, + 'columnDelim and eolDelim must be different'); + } elseif ($dataDelim == $eolDelim){ + return $this->raiseError(MDB2_ERROR_INVALID, null, null, + 'dataDelim and eolDelim must be different'); + } + + $query = trim($query); + //tokenize escaped slashes + $query = str_replace('\\\\', '[$double-slash$]', $query); + + if (!strlen($query)) { + return $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'empty querysim text'); + } + $lineData = $this->_parseOnDelim($query, $eolDelim); + //kill the empty last row created by final eol char if it exists + if (!strlen(trim($lineData[count($lineData) - 1]))) { + unset($lineData[count($lineData) - 1]); + } + //populate columnNames array + $thisLine = each($lineData); + $columnNames = $this->_parseOnDelim($thisLine[1], $columnDelim); + if ((in_array('', $columnNames)) || (in_array('NULL', $columnNames))) { + return $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + 'all column names must be defined'); + } + //replace double-slash tokens with single-slash + $columnNames = str_replace('[$double-slash$]', '\\', $columnNames); + $columnCount = count($columnNames); + $rowNum = 0; + //loop through data lines + if (count($lineData) > 1) { + while ($thisLine = each($lineData)) { + $thisData = $this->_parseOnDelim($thisLine[1], $dataDelim); + $thisDataCount = count($thisData); + if ($thisDataCount != $columnCount) { + $fileLineNo = $rowNum + 2; + return $this->raiseError(MDB2_ERROR_SYNTAX, null, null, + "number of data elements ($thisDataCount) in line $fileLineNo not equal to number of defined columns ($columnCount)"); + } + //loop through data elements in data line + foreach ($thisData as $thisElement) { + if (strtoupper($thisElement) == 'NULL'){ + $thisElement = ''; + } + //replace double-slash tokens with single-slash + $data[$rowNum][] = str_replace('[$double-slash$]', '\\', $thisElement); + }//end foreach + ++$rowNum; + }//end while + }//end if + return array($columnNames, $data); + }//end function _buildResult() + // }}} + + // {{{ _parseOnDelim() + + /** + * Split QuerySim string into an array on a delimiter + * + * @param string $thisLine Text of simulated query + * @param string $delim The delimiter to split on + * + * @access protected + * + * @return array containing parsed string + */ + function _parseOnDelim($thisLine, $delim) + { + $delimQuoted = preg_quote($delim, '/'); + $thisLine = trim($thisLine); + + $parsed = preg_split('/(?options['eolDelim']) { + //replaces escape chars + $parsed = preg_replace('/\\\\/', '', $parsed); + } + return $parsed; + } + // }}} +} + +class MDB2_Result_querysim extends MDB2_Result_Common +{ + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (is_null($this->result)) { + $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + return $err; + } + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + $target_rownum = $this->rownum + 1; + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if (!isset($this->result[1][$target_rownum])) { + $null = null; + return $null; + } + $row = $this->result[1][$target_rownum]; + // make row associative + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $column_names = $this->getColumnNames(); + foreach ($column_names as $name => $i) { + $column_names[$name] = $row[$i]; + } + $row = $column_names; + } + if (($mode = ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) + + ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) + ) { + $this->db->_fixResultArrayValues($row, $mode); + } + if (!empty($this->values)) { + $this->_assignBindColumns($row); + } + if (!empty($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'getColumnNames: resultset has already been freed'); + } + $columns = array_flip($this->result[0]); + if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_change_key_case($columns, $this->db->options['field_case']); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @access public + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + */ + function numCols() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + $cols = count($this->result[0]); + return $cols; + } +} + +class MDB2_BufferedResult_querysim extends MDB2_Result_querysim +{ + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + $rows = count($this->result[1]); + return $rows; + } +} + + +class MDB2_Statement_querysim extends MDB2_Statement_Common +{ + +} + +?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/sqlite.php b/program/lib/MDB2/Driver/sqlite.php new file mode 100755 index 000000000..231b429d4 --- /dev/null +++ b/program/lib/MDB2/Driver/sqlite.php @@ -0,0 +1,805 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ +// + +/** + * MDB2 SQLite driver + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_sqlite extends MDB2_Driver_Common +{ + // {{{ properties + var $escape_quotes = "'"; + + var $_lasterror = ''; + + // }}} + // {{{ constructor + + /** + * Constructor + */ + function __construct() + { + parent::__construct(); + + $this->phptype = 'sqlite'; + $this->dbsyntax = 'sqlite'; + + $this->supported['sequences'] = true; + $this->supported['indexes'] = true; + $this->supported['affected_rows'] = true; + $this->supported['summary_functions'] = true; + $this->supported['order_by_text'] = true; + $this->supported['current_id'] = true; + $this->supported['limit_queries'] = true; + $this->supported['LOBs'] = true; + $this->supported['replace'] = true; + $this->supported['transactions'] = true; + $this->supported['sub_selects'] = true; + $this->supported['auto_increment'] = true; + + $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off'; + $this->options['fixed_float'] = 0; + $this->options['database_path'] = ''; + $this->options['database_extension'] = ''; + } + + // }}} + // {{{ errorInfo() + + /** + * This method is used to collect information about an error + * + * @param integer $error + * @return array + * @access public + */ + function errorInfo($error = null) + { + $native_code = null; + if ($this->connection) { + $native_code = @sqlite_last_error($this->connection); + } + $native_msg = @sqlite_error_string($native_code); + + if (is_null($error)) { + static $error_regexps; + if (empty($error_regexps)) { + $error_regexps = array( + '/^no such table:/' => MDB2_ERROR_NOSUCHTABLE, + '/^no such index:/' => MDB2_ERROR_NOT_FOUND, + '/^(table|index) .* already exists$/' => MDB2_ERROR_ALREADY_EXISTS, + '/PRIMARY KEY must be unique/i' => MDB2_ERROR_CONSTRAINT, + '/is not unique/' => MDB2_ERROR_CONSTRAINT, + '/columns .* are not unique/i' => MDB2_ERROR_CONSTRAINT, + '/uniqueness constraint failed/' => MDB2_ERROR_CONSTRAINT, + '/may not be NULL/' => MDB2_ERROR_CONSTRAINT_NOT_NULL, + '/^no such column:/' => MDB2_ERROR_NOSUCHFIELD, + '/column not present in both tables/i' => MDB2_ERROR_NOSUCHFIELD, + '/^near ".*": syntax error$/' => MDB2_ERROR_SYNTAX, + '/[0-9]+ values for [0-9]+ columns/i' => MDB2_ERROR_VALUE_COUNT_ON_ROW, + ); + } + foreach ($error_regexps as $regexp => $code) { + if (preg_match($regexp, $this->_lasterror)) { + $error = $code; + break; + } + } + } + return array($error, $native_code, $native_msg); + } + + // }}} + // {{{ escape() + + /** + * Quotes a string so it can be safely used in a query. It will quote + * the text so it can safely be used within a query. + * + * @param string $text the input string to quote + * @return string quoted string + * @access public + */ + function escape($text) + { + return @sqlite_escape_string($text); + } + + // }}} + // {{{ beginTransaction() + + /** + * Start a transaction. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function beginTransaction() + { + $this->debug('starting transaction', 'beginTransaction'); + if ($this->in_transaction) { + return MDB2_OK; //nothing to do + } + if (!$this->destructor_registered && $this->opened_persistent) { + $this->destructor_registered = true; + register_shutdown_function('MDB2_closeOpenTransactions'); + } + $query = 'BEGIN TRANSACTION '.$this->options['base_transaction_name']; + $result = $this->_doQuery($query, true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = true; + return MDB2_OK; + } + + // }}} + // {{{ commit() + + /** + * Commit the database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function commit() + { + $this->debug('commit transaction', 'commit'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'commit: transaction changes are being auto committed'); + } + $query = 'COMMIT TRANSACTION '.$this->options['base_transaction_name']; + $result = $this->_doQuery($query, true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ rollback() + + /** + * Cancel any database changes done during a transaction that is in + * progress. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function rollback() + { + $this->debug('rolling back transaction', 'rollback'); + if (!$this->in_transaction) { + return $this->raiseError(MDB2_ERROR, null, null, + 'rollback: transactions can not be rolled back when changes are auto committed'); + } + $query = 'ROLLBACK TRANSACTION '.$this->options['base_transaction_name']; + $result = $this->_doQuery($query, true); + if (PEAR::isError($result)) { + return $result; + } + $this->in_transaction = false; + return MDB2_OK; + } + + // }}} + // {{{ getDatabaseFile() + + /** + * Builds the string with path+dbname+extension + * + * @return string full database path+file + * @access protected + */ + function _getDatabaseFile($database_name) + { + if ($database_name == '') { + return $database_name; + } + return $this->options['database_path'].$database_name.$this->options['database_extension']; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + **/ + function connect() + { + $database_file = $this->_getDatabaseFile($this->database_name); + if (is_resource($this->connection)) { + if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + && $this->connected_database_name == $database_file + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + if (!PEAR::loadExtension($this->phptype)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'connect: extension '.$this->phptype.' is not compiled into PHP'); + } + + if (!empty($this->database_name)) { + if (!file_exists($database_file)) { + if (!touch($database_file)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND); + } + if (!isset($this->dsn['mode']) + || !is_numeric($this->dsn['mode']) + ) { + $mode = 0644; + } else { + $mode = octdec($this->dsn['mode']); + } + if (!chmod($database_file, $mode)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND); + } + if (!file_exists($database_file)) { + return $this->raiseError(MDB2_ERROR_NOT_FOUND); + } + } + if (!is_file($database_file)) { + return $this->raiseError(MDB2_ERROR_INVALID); + } + if (!is_readable($database_file)) { + return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION); + } + + $connect_function = ($this->options['persistent'] ? 'sqlite_popen' : 'sqlite_open'); + $php_errormsg = ''; + @ini_set('track_errors', true); + $connection = @$connect_function($database_file); + @ini_restore('track_errors'); + $this->_lasterror = isset($php_errormsg) ? $php_errormsg : ''; + if (!$connection) { + return $this->raiseError(MDB2_ERROR_CONNECT_FAILED); + } + $this->connection = $connection; + $this->connected_dsn = $this->dsn; + $this->connected_database_name = $database_file; + $this->opened_persistent = $this->getoption('persistent'); + $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; + } + return MDB2_OK; + } + + // }}} + // {{{ disconnect() + + /** + * Log out and disconnect from the database. + * + * @return mixed true on success, false if not connected and error + * object on error + * @access public + */ + function disconnect($force = true) + { + if (is_resource($this->connection)) { + if (!$this->opened_persistent || $force) { + @sqlite_close($this->connection); + } + $this->connection = 0; + } + return MDB2_OK; + } + + // }}} + // {{{ _doQuery() + + /** + * Execute a query + * @param string $query query + * @param boolean $isManip if the query is a manipulation query + * @param resource $connection + * @param string $database_name + * @return result or error object + * @access protected + */ + function _doQuery($query, $isManip = false, $connection = null, $database_name = null) + { + $this->last_query = $query; + $this->debug($query, 'query'); + if ($this->options['disable_query']) { + if ($isManip) { + return MDB2_OK; + } + return null; + } + + if (is_null($connection)) { + $error = $this->connect(); + if (PEAR::isError($error)) { + return $error; + } + $connection = $this->connection; + } + + $function = $this->options['result_buffering'] + ? 'sqlite_query' : 'sqlite_unbuffered_query'; + $php_errormsg = ''; + ini_set('track_errors', true); + $result = @$function($query.';', $connection); + ini_restore('track_errors'); + $this->_lasterror = isset($php_errormsg) ? $php_errormsg : ''; + + if (!$result) { + return $this->raiseError(); + } + + if ($isManip) { + return @sqlite_changes($connection); + } + return $result; + } + + // }}} + // {{{ _modifyQuery() + + /** + * Changes a query string for various DBMS specific reasons + * + * @param string $query query to modify + * @return the new (modified) query + * @access protected + */ + function _modifyQuery($query, $isManip, $limit, $offset) + { + if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) { + if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) { + $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', + 'DELETE FROM \1 WHERE 1=1', $query); + } + } + if ($limit > 0 + && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query) + ) { + $query = rtrim($query); + if (substr($query, -1) == ';') { + $query = substr($query, 0, -1); + } + if ($isManip) { + $query .= " LIMIT $limit"; + } else { + $query .= " LIMIT $offset,$limit"; + } + } + return $query; + } + + + // }}} + // {{{ replace() + + /** + * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT + * query, except that if there is already a row in the table with the same + * key field values, the REPLACE query just updates its values instead of + * inserting a new row. + * + * The REPLACE type of query does not make part of the SQL standards. Since + * practically only SQLite implements it natively, this type of query is + * emulated through this method for other DBMS using standard types of + * queries inside a transaction to assure the atomicity of the operation. + * + * @access public + * + * @param string $table name of the table on which the REPLACE query will + * be executed. + * @param array $fields associative array that describes the fields and the + * values that will be inserted or updated in the specified table. The + * indexes of the array are the names of all the fields of the table. The + * values of the array are also associative arrays that describe the + * values and other properties of the table fields. + * + * Here follows a list of field properties that need to be specified: + * + * value: + * Value to be assigned to the specified field. This value may be + * of specified in database independent type format as this + * function can perform the necessary datatype conversions. + * + * Default: + * this property is required unless the Null property + * is set to 1. + * + * type + * Name of the type of the field. Currently, all types Metabase + * are supported except for clob and blob. + * + * Default: no type conversion + * + * null + * Boolean property that indicates that the value for this field + * should be set to null. + * + * The default value for fields missing in INSERT queries may be + * specified the definition of a table. Often, the default value + * is already null, but since the REPLACE may be emulated using + * an UPDATE query, make sure that all fields of the table are + * listed in this function argument array. + * + * Default: 0 + * + * key + * Boolean property that indicates that this field should be + * handled as a primary key or at least as part of the compound + * unique index of the table that will determine the row that will + * updated if it exists or inserted a new row otherwise. + * + * This function will fail if no key field is specified or if the + * value of a key field is set to null because fields that are + * part of unique index they may not be null. + * + * Default: 0 + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function replace($table, $fields) + { + $count = count($fields); + $query = $values = ''; + $keys = $colnum = 0; + for (reset($fields); $colnum < $count; next($fields), $colnum++) { + $name = key($fields); + if ($colnum > 0) { + $query .= ','; + $values .= ','; + } + $query .= $name; + if (isset($fields[$name]['null']) && $fields[$name]['null']) { + $value = 'NULL'; + } else { + $value = $this->quote($fields[$name]['value'], $fields[$name]['type']); + } + $values .= $value; + if (isset($fields[$name]['key']) && $fields[$name]['key']) { + if ($value === 'NULL') { + return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, + 'replace: key value '.$name.' may not be NULL'); + } + $keys++; + } + } + if ($keys == 0) { + return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, + 'replace: not specified which fields are keys'); + } + $query = "REPLACE INTO $table ($query) VALUES ($values)"; + $this->last_query = $query; + $this->debug($query, 'query'); + return $this->_doQuery($query, true); + } + + // }}} + // {{{ nextID() + + /** + * returns the next free id of a sequence + * + * @param string $seq_name name of the sequence + * @param boolean $ondemand when true the seqence is + * automatic created, if it + * not exists + * + * @return mixed MDB2 Error Object or id + * @access public + */ + function nextID($seq_name, $ondemand = true) + { + $sequence_name = $this->getSequenceName($seq_name); + $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)"; + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result = $this->_doQuery($query, true); + $this->popExpect(); + if (PEAR::isError($result)) { + if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { + $this->loadModule('Manager'); + // Since we are creating the sequence on demand + // we know the first id = 1 so initialize the + // sequence at 2 + $result = $this->manager->createSequence($seq_name, 2); + if (PEAR::isError($result)) { + return $this->raiseError(MDB2_ERROR, null, null, + 'nextID: on demand sequence '.$seq_name.' could not be created'); + } else { + // First ID of a newly created sequence is 1 + return 1; + } + } + return $result; + } + $value = @sqlite_last_insert_rowid($this->connection); + if (is_numeric($value) + && PEAR::isError($this->_doQuery("DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value", true)) + ) { + $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; + } + return $value; + } + + // }}} + // {{{ getAfterID() + + /** + * returns the autoincrement ID if supported or $id + * + * @param mixed $id value as returned by getBeforeId() + * @param string $table name of the table into which a new row was inserted + * @return mixed MDB2 Error Object or id + * @access public + */ + function getAfterID($id, $table) + { + $this->loadModule('Native'); + return $this->native->getInsertID(); + } + + // }}} + // {{{ currID() + + /** + * returns the current id of a sequence + * + * @param string $seq_name name of the sequence + * @return mixed MDB2 Error Object or id + * @access public + */ + function currID($seq_name) + { + $sequence_name = $this->getSequenceName($seq_name); + return $this->queryOne("SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name", 'integer'); + } +} + +class MDB2_Result_sqlite extends MDB2_Result_Common +{ + // }}} + // {{{ fetchRow() + + /** + * Fetch a row and insert the data into an existing array. + * + * @param int $fetchmode how the array data should be indexed + * @param int $rownum number of the row where the data can be found + * @return int data array on success, a MDB2 error on failure + * @access public + */ + function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null) + { + if (!is_null($rownum)) { + $seek = $this->seek($rownum); + if (PEAR::isError($seek)) { + return $seek; + } + } + if ($fetchmode == MDB2_FETCHMODE_DEFAULT) { + $fetchmode = $this->db->fetchmode; + } + if ($fetchmode & MDB2_FETCHMODE_ASSOC) { + $row = @sqlite_fetch_array($this->result, SQLITE_ASSOC); + if (is_array($row) + && $this->db->options['portability'] & MDB2_PORTABILITY_LOWERCASE + ) { + $row = array_change_key_case($row, CASE_LOWER); + } + } else { + $row = @sqlite_fetch_array($this->result, SQLITE_NUM); + } + if (!$row) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'fetchRow: resultset has already been freed'); + } + return null; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { + $this->db->_convertEmptyArrayValuesToNull($row); + } + if (isset($this->values)) { + $this->_assignBindColumns($row); + } + if (isset($this->types)) { + $row = $this->db->datatype->convertResultRow($this->types, $row); + } + if ($fetchmode === MDB2_FETCHMODE_OBJECT) { + $object_class = $this->db->options['fetch_class']; + if ($object_class == 'stdClass') { + $row = (object) $row; + } else { + $row = &new $object_class($row); + } + } + ++$this->rownum; + return $row; + } + + // }}} + // {{{ _getColumnNames() + + /** + * Retrieve the names of columns returned by the DBMS in a query result. + * + * @return mixed an associative array variable + * that will hold the names of columns. The + * indexes of the array are the column names + * mapped to lower case and the values are the + * respective numbers of the columns starting + * from 0. Some DBMS may not return any + * columns when the result set does not + * contain any rows. + * + * a MDB2 error on failure + * @access private + */ + function _getColumnNames() + { + $columns = array(); + $numcols = $this->numCols(); + if (PEAR::isError($numcols)) { + return $numcols; + } + for ($column = 0; $column < $numcols; $column++) { + $column_name = @sqlite_field_name($this->result, $column); + $columns[$column_name] = $column; + } + if ($this->db->options['portability'] & MDB2_PORTABILITY_LOWERCASE) { + $columns = array_change_key_case($columns, CASE_LOWER); + } + return $columns; + } + + // }}} + // {{{ numCols() + + /** + * Count the number of columns returned by the DBMS in a query result. + * + * @access public + * @return mixed integer value with the number of columns, a MDB2 error + * on failure + */ + function numCols() + { + $cols = @sqlite_num_fields($this->result); + if (is_null($cols)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numCols: resultset has already been freed'); + } + return $this->db->raiseError(); + } + return $cols; + } +} + +class MDB2_BufferedResult_sqlite extends MDB2_Result_sqlite +{ + // {{{ seek() + + /** + * seek to a specific row in a result set + * + * @param int $rownum number of the row where the data can be found + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function seek($rownum = 0) + { + if (!@sqlite_seek($this->result, $rownum)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'seek: resultset has already been freed'); + } + return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, + 'seek: tried to seek to an invalid row number ('.$rownum.')'); + } + $this->rownum = $rownum - 1; + return MDB2_OK; + } + + // }}} + // {{{ valid() + + /** + * check if the end of the result set has been reached + * + * @return mixed true or false on sucess, a MDB2 error on failure + * @access public + */ + function valid() + { + $numrows = $this->numRows(); + if (PEAR::isError($numrows)) { + return $numrows; + } + return $this->rownum < ($numrows - 1); + } + + // }}} + // {{{ numRows() + + /** + * returns the number of rows in a result object + * + * @return mixed MDB2 Error Object or the number of rows + * @access public + */ + function numRows() + { + $rows = @sqlite_num_rows($this->result); + if (is_null($rows)) { + if (is_null($this->result)) { + return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, + 'numRows: resultset has already been freed'); + } + return $this->raiseError(); + } + return $rows; + } +} + +class MDB2_Statement_sqlite extends MDB2_Statement_Common +{ + +} + +?> \ No newline at end of file -- cgit v1.2.3