From d1403fd7268ccf96ab6e7d04506ea1b1802c7eb2 Mon Sep 17 00:00:00 2001 From: alecpl Date: Fri, 2 May 2008 07:35:00 +0000 Subject: - fixed #1485032 and updated MDB2 package+drivers --- program/lib/MDB2/Driver/Datatype/Common.php | 3652 +++++++++++++-------------- program/lib/MDB2/Driver/Datatype/mssql.php | 932 ++++--- program/lib/MDB2/Driver/Datatype/mysql.php | 93 +- program/lib/MDB2/Driver/Datatype/mysqli.php | 92 +- program/lib/MDB2/Driver/Datatype/pgsql.php | 6 +- program/lib/MDB2/Driver/Datatype/sqlite.php | 5 +- 6 files changed, 2441 insertions(+), 2339 deletions(-) (limited to 'program/lib/MDB2/Driver/Datatype') diff --git a/program/lib/MDB2/Driver/Datatype/Common.php b/program/lib/MDB2/Driver/Datatype/Common.php index 01423e44c..2134e64db 100644 --- a/program/lib/MDB2/Driver/Datatype/Common.php +++ b/program/lib/MDB2/Driver/Datatype/Common.php @@ -1,1830 +1,1824 @@ - | -// +----------------------------------------------------------------------+ -// -// $Id: Common.php,v 1.128 2007/11/09 20:54:58 quipo Exp $ - -require_once 'MDB2/LOB.php'; - -/** - * @package MDB2 - * @category Database - * @author Lukas Smith - */ - -/** - * MDB2_Driver_Common: Base class that is extended by each MDB2 driver - * - * To load this module in the MDB2 object: - * $mdb->loadModule('Datatype'); - * - * @package MDB2 - * @category Database - * @author Lukas Smith - */ -class MDB2_Driver_Datatype_Common extends MDB2_Module_Common -{ - var $valid_default_values = array( - 'text' => '', - 'boolean' => true, - 'integer' => 0, - 'decimal' => 0.0, - 'float' => 0.0, - 'timestamp' => '1970-01-01 00:00:00', - 'time' => '00:00:00', - 'date' => '1970-01-01', - 'clob' => '', - 'blob' => '', - ); - - /** - * contains all LOB objects created with this MDB2 instance - * @var array - * @access protected - */ - var $lobs = array(); - - // }}} - // {{{ getValidTypes() - - /** - * Get the list of valid types - * - * This function returns an array of valid types as keys with the values - * being possible default values for all native datatypes and mapped types - * for custom datatypes. - * - * @return mixed array on success, a MDB2 error on failure - * @access public - */ - function getValidTypes() - { - $types = $this->valid_default_values; - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (!empty($db->options['datatype_map'])) { - foreach ($db->options['datatype_map'] as $type => $mapped_type) { - if (array_key_exists($mapped_type, $types)) { - $types[$type] = $types[$mapped_type]; - } elseif (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('type' => $type, 'mapped_type' => $mapped_type); - $default = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - $types[$type] = $default; - } - } - } - return $types; - } - - // }}} - // {{{ checkResultTypes() - - /** - * Define the list of types to be associated with the columns of a given - * result set. - * - * This function may be called before invoking fetchRow(), fetchOne() - * fetchCole() and fetchAll() so that the necessary data type - * conversions are performed on the data to be retrieved by them. If this - * function is not called, the type of all result set columns is assumed - * to be text, thus leading to not perform any conversions. - * - * @param array $types array variable that lists the - * data types to be expected in the result set columns. If this array - * contains less types than the number of columns that are returned - * in the result set, the remaining columns are assumed to be of the - * type text. Currently, the types clob and blob are not fully - * supported. - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function checkResultTypes($types) - { - $types = is_array($types) ? $types : array($types); - foreach ($types as $key => $type) { - if (!isset($this->valid_default_values[$type])) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (empty($db->options['datatype_map'][$type])) { - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - $type.' for '.$key.' is not a supported column type', __FUNCTION__); - } - } - } - return $types; - } - - // }}} - // {{{ _baseConvertResult() - - /** - * General type conversion method - * - * @param mixed $value reference to a value to be converted - * @param string $type specifies which type to convert to - * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text - * @return object an MDB2 error on failure - * @access protected - */ - function _baseConvertResult($value, $type, $rtrim = true) - { - switch ($type) { - case 'text': - if ($rtrim) { - $value = rtrim($value); - } - return $value; - case 'integer': - return intval($value); - case 'boolean': - return !empty($value); - case 'decimal': - return $value; - case 'float': - return doubleval($value); - case 'date': - return $value; - case 'time': - return $value; - case 'timestamp': - return $value; - case 'clob': - case 'blob': - $this->lobs[] = array( - 'buffer' => null, - 'position' => 0, - 'lob_index' => null, - 'endOfLOB' => false, - 'resource' => $value, - 'value' => null, - 'loaded' => false, - ); - end($this->lobs); - $lob_index = key($this->lobs); - $this->lobs[$lob_index]['lob_index'] = $lob_index; - return fopen('MDB2LOB://'.$lob_index.'@'.$this->db_index, 'r+'); - } - - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR_INVALID, null, null, - 'attempt to convert result value to an unknown type :' . $type, __FUNCTION__); - } - - // }}} - // {{{ convertResult() - - /** - * Convert a value to a RDBMS indipendent MDB2 type - * - * @param mixed $value value to be converted - * @param string $type specifies which type to convert to - * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text - * @return mixed converted value - * @access public - */ - function convertResult($value, $type, $rtrim = true) - { - if (is_null($value)) { - return null; - } - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (!empty($db->options['datatype_map'][$type])) { - $type = $db->options['datatype_map'][$type]; - if (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('type' => $type, 'value' => $value, 'rtrim' => $rtrim); - return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - } - } - return $this->_baseConvertResult($value, $type, $rtrim); - } - - // }}} - // {{{ convertResultRow() - - /** - * Convert a result row - * - * @param array $types - * @param array $row specifies the types to convert to - * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text - * @return mixed MDB2_OK on success, an MDB2 error on failure - * @access public - */ - function convertResultRow($types, $row, $rtrim = true) - { - $types = $this->_sortResultFieldTypes(array_keys($row), $types); - foreach ($row as $key => $value) { - if (empty($types[$key])) { - continue; - } - $value = $this->convertResult($row[$key], $types[$key], $rtrim); - if (PEAR::isError($value)) { - return $value; - } - $row[$key] = $value; - } - return $row; - } - - // }}} - // {{{ _sortResultFieldTypes() - - /** - * convert a result row - * - * @param array $types - * @param array $row specifies the types to convert to - * @param bool $rtrim if to rtrim text values or not - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access public - */ - function _sortResultFieldTypes($columns, $types) - { - $n_cols = count($columns); - $n_types = count($types); - if ($n_cols > $n_types) { - for ($i= $n_cols - $n_types; $i >= 0; $i--) { - $types[] = null; - } - } - $sorted_types = array(); - foreach ($columns as $col) { - $sorted_types[$col] = null; - } - foreach ($types as $name => $type) { - if (array_key_exists($name, $sorted_types)) { - $sorted_types[$name] = $type; - unset($types[$name]); - } - } - // if there are left types in the array, fill the null values of the - // sorted array with them, in order. - if (count($types)) { - reset($types); - foreach (array_keys($sorted_types) as $k) { - if (is_null($sorted_types[$k])) { - $sorted_types[$k] = current($types); - next($types); - } - } - } - return $sorted_types; - } - - // }}} - // {{{ getDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare - * of the given type - * - * @param string $type type to which the value should be converted to - * @param string $name name the field to be declared. - * @param string $field definition of the field - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access public - */ - function getDeclaration($type, $name, $field) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - if (!empty($db->options['datatype_map'][$type])) { - $type = $db->options['datatype_map'][$type]; - if (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('type' => $type, 'name' => $name, 'field' => $field); - return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - } - $field['type'] = $type; - } - - if (!method_exists($this, "_get{$type}Declaration")) { - return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, - 'type not defined: '.$type, __FUNCTION__); - } - return $this->{"_get{$type}Declaration"}($name, $field); - } - - // }}} - // {{{ 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': - $length = !empty($field['length']) ? $field['length'] : $db->options['default_text_field_length']; - $fixed = !empty($field['fixed']) ? $field['fixed'] : false; - return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') - : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); - case 'clob': - return 'TEXT'; - case 'blob': - return 'TEXT'; - case 'integer': - return 'INT'; - case 'boolean': - return 'INT'; - case 'date': - return 'CHAR ('.strlen('YYYY-MM-DD').')'; - case 'time': - return 'CHAR ('.strlen('HH:MM:SS').')'; - case 'timestamp': - return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'; - case 'float': - return 'TEXT'; - case 'decimal': - return 'TEXT'; - } - return ''; - } - - // }}} - // {{{ _getDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a generic type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the text - * field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * default - * Text value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * charset - * Text value with the default CHARACTER SET for this field. - * collation - * Text value with the default COLLATION for this field. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field, or a MDB2_Error on failure - * @access protected - */ - function _getDeclaration($name, $field) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $name = $db->quoteIdentifier($name, true); - $declaration_options = $db->datatype->_getDeclarationOptions($field); - if (PEAR::isError($declaration_options)) { - return $declaration_options; - } - return $name.' '.$this->getTypeDeclaration($field).$declaration_options; - } - - // }}} - // {{{ _getDeclarationOptions() - - /** - * Obtain DBMS specific SQL code portion needed to declare a generic type - * field to be used in statement like CREATE TABLE, without the field name - * and type values (ie. just the character set, default value, if the - * field is permitted to be NULL or not, and the collation options). - * - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Text value to be used as default for this field. - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * charset - * Text value with the default CHARACTER SET for this field. - * collation - * Text value with the default COLLATION for this field. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field's options. - * @access protected - */ - function _getDeclarationOptions($field) - { - $charset = empty($field['charset']) ? '' : - ' '.$this->_getCharsetFieldDeclaration($field['charset']); - - $default = ''; - if (array_key_exists('default', $field)) { - if ($field['default'] === '') { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (empty($field['notnull'])) { - $field['default'] = null; - } else { - $valid_default_values = $this->getValidTypes(); - $field['default'] = $valid_default_values[$field['type']]; - } - if ($field['default'] === '' - && ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) - ) { - $field['default'] = ' '; - } - } - $default = ' DEFAULT '.$this->quote($field['default'], $field['type']); - } elseif (empty($field['notnull'])) { - $default = ' DEFAULT NULL'; - } - - $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; - - $collation = empty($field['collation']) ? '' : - ' '.$this->_getCollationFieldDeclaration($field['collation']); - return $charset.$default.$notnull.$collation; - } - - // }}} - // {{{ _getCharsetFieldDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET - * of a field declaration to be used in statements like CREATE TABLE. - * - * @param string $charset name of the charset - * @return string DBMS specific SQL code portion needed to set the CHARACTER SET - * of a field declaration. - */ - function _getCharsetFieldDeclaration($charset) - { - return ''; - } - - // }}} - // {{{ _getCollationFieldDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to set the COLLATION - * of a field declaration to be used in statements like CREATE TABLE. - * - * @param string $collation name of the collation - * @return string DBMS specific SQL code portion needed to set the COLLATION - * of a field declaration. - */ - function _getCollationFieldDeclaration($collation) - { - 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, $field) - { - if (!empty($field['unsigned'])) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; - } - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; - $name = $db->quoteIdentifier($name, true); - 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) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; - $name = $db->quoteIdentifier($name, true); - 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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ _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) - { - return $this->_getDeclaration($name, $field); - } - - // }}} - // {{{ compareDefinition() - - /** - * Obtain an array of changes that may need to applied - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access public - */ - function compareDefinition($current, $previous) - { - $type = !empty($current['type']) ? $current['type'] : null; - - if (!method_exists($this, "_compare{$type}Definition")) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('current' => $current, 'previous' => $previous); - $change = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - return $change; - } - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'type "'.$current['type'].'" is not yet supported', __FUNCTION__); - } - - if (empty($previous['type']) || $previous['type'] != $type) { - return $current; - } - - $change = $this->{"_compare{$type}Definition"}($current, $previous); - - if ($previous['type'] != $type) { - $change['type'] = true; - } - - $previous_notnull = !empty($previous['notnull']) ? $previous['notnull'] : false; - $notnull = !empty($current['notnull']) ? $current['notnull'] : false; - if ($previous_notnull != $notnull) { - $change['notnull'] = true; - } - - $previous_default = array_key_exists('default', $previous) ? $previous['default'] : - ($previous_notnull ? '' : null); - $default = array_key_exists('default', $current) ? $current['default'] : - ($notnull ? '' : null); - if ($previous_default !== $default) { - $change['default'] = true; - } - - return $change; - } - - // }}} - // {{{ _compareIntegerDefinition() - - /** - * Obtain an array of changes that may need to applied to an integer field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareIntegerDefinition($current, $previous) - { - $change = array(); - $previous_unsigned = !empty($previous['unsigned']) ? $previous['unsigned'] : false; - $unsigned = !empty($current['unsigned']) ? $current['unsigned'] : false; - if ($previous_unsigned != $unsigned) { - $change['unsigned'] = true; - } - $previous_autoincrement = !empty($previous['autoincrement']) ? $previous['autoincrement'] : false; - $autoincrement = !empty($current['autoincrement']) ? $current['autoincrement'] : false; - if ($previous_autoincrement != $autoincrement) { - $change['autoincrement'] = true; - } - return $change; - } - - // }}} - // {{{ _compareTextDefinition() - - /** - * Obtain an array of changes that may need to applied to an text field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareTextDefinition($current, $previous) - { - $change = array(); - $previous_length = !empty($previous['length']) ? $previous['length'] : 0; - $length = !empty($current['length']) ? $current['length'] : 0; - if ($previous_length != $length) { - $change['length'] = true; - } - $previous_fixed = !empty($previous['fixed']) ? $previous['fixed'] : 0; - $fixed = !empty($current['fixed']) ? $current['fixed'] : 0; - if ($previous_fixed != $fixed) { - $change['fixed'] = true; - } - return $change; - } - - // }}} - // {{{ _compareCLOBDefinition() - - /** - * Obtain an array of changes that may need to applied to an CLOB field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareCLOBDefinition($current, $previous) - { - return $this->_compareTextDefinition($current, $previous); - } - - // }}} - // {{{ _compareBLOBDefinition() - - /** - * Obtain an array of changes that may need to applied to an BLOB field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareBLOBDefinition($current, $previous) - { - return $this->_compareTextDefinition($current, $previous); - } - - // }}} - // {{{ _compareDateDefinition() - - /** - * Obtain an array of changes that may need to applied to an date field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareDateDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ _compareTimeDefinition() - - /** - * Obtain an array of changes that may need to applied to an time field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareTimeDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ _compareTimestampDefinition() - - /** - * Obtain an array of changes that may need to applied to an timestamp field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareTimestampDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ _compareBooleanDefinition() - - /** - * Obtain an array of changes that may need to applied to an boolean field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareBooleanDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ _compareFloatDefinition() - - /** - * Obtain an array of changes that may need to applied to an float field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareFloatDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ _compareDecimalDefinition() - - /** - * Obtain an array of changes that may need to applied to an decimal field - * - * @param array $current new definition - * @param array $previous old definition - * @return array containing all changes that will need to be applied - * @access protected - */ - function _compareDecimalDefinition($current, $previous) - { - return array(); - } - - // }}} - // {{{ quote() - - /** - * 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. - * @param string $type type to which the value should be converted to - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access public - */ - function quote($value, $type = null, $quote = true, $escape_wildcards = false) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - if (is_null($value) - || ($value === '' && $db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) - ) { - if (!$quote) { - return null; - } - return 'NULL'; - } - - if (is_null($type)) { - switch (gettype($value)) { - case 'integer': - $type = 'integer'; - break; - case 'double': - // todo: default to decimal as float is quite unusual - // $type = 'float'; - $type = 'decimal'; - break; - case 'boolean': - $type = 'boolean'; - break; - case 'array': - $value = serialize($value); - case 'object': - $type = 'text'; - break; - default: - if (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/', $value)) { - $type = 'timestamp'; - } elseif (preg_match('/^\d{2}:\d{2}$/', $value)) { - $type = 'time'; - } elseif (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) { - $type = 'date'; - } else { - $type = 'text'; - } - break; - } - } elseif (!empty($db->options['datatype_map'][$type])) { - $type = $db->options['datatype_map'][$type]; - if (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('type' => $type, 'value' => $value, 'quote' => $quote, 'escape_wildcards' => $escape_wildcards); - return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - } - } - - if (!method_exists($this, "_quote{$type}")) { - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'type not defined: '.$type, __FUNCTION__); - } - $value = $this->{"_quote{$type}"}($value, $quote, $escape_wildcards); - if ($quote && $escape_wildcards && $db->string_quoting['escape_pattern'] - && $db->string_quoting['escape'] !== $db->string_quoting['escape_pattern'] - ) { - $value.= $this->patternEscapeString(); - } - return $value; - } - - // }}} - // {{{ _quoteInteger() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteInteger($value, $quote, $escape_wildcards) - { - return (int)$value; - } - - // }}} - // {{{ _quoteText() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that already contains any DBMS specific - * escaped character sequences. - * @access protected - */ - function _quoteText($value, $quote, $escape_wildcards) - { - if (!$quote) { - return $value; - } - - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $value = $db->escape($value, $escape_wildcards); - if (PEAR::isError($value)) { - return $value; - } - return "'".$value."'"; - } - - // }}} - // {{{ _readFile() - - /** - * Convert a text value into a DBMS specific format that is suitable to - * compose query statements. - * - * @param string $value text string value that is intended to be converted. - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _readFile($value) - { - $close = false; - if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { - $close = true; - if ($match[1] == 'file://') { - $value = $match[2]; - } - $value = @fopen($value, 'r'); - } - - if (is_resource($value)) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $fp = $value; - $value = ''; - while (!@feof($fp)) { - $value.= @fread($fp, $db->options['lob_buffer_length']); - } - if ($close) { - @fclose($fp); - } - } - - return $value; - } - - // }}} - // {{{ _quoteLOB() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteLOB($value, $quote, $escape_wildcards) - { - $value = $this->_readFile($value); - if (PEAR::isError($value)) { - return $value; - } - return $this->_quoteText($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _quoteCLOB() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteCLOB($value, $quote, $escape_wildcards) - { - return $this->_quoteLOB($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _quoteBLOB() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteBLOB($value, $quote, $escape_wildcards) - { - return $this->_quoteLOB($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteBoolean($value, $quote, $escape_wildcards) - { - return ($value ? 1 : 0); - } - - // }}} - // {{{ _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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteDate($value, $quote, $escape_wildcards) - { - if ($value === 'CURRENT_DATE') { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { - return $db->function->now('date'); - } - return 'CURRENT_DATE'; - } - return $this->_quoteText($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteTimestamp($value, $quote, $escape_wildcards) - { - if ($value === 'CURRENT_TIMESTAMP') { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { - return $db->function->now('timestamp'); - } - return 'CURRENT_TIMESTAMP'; - } - return $this->_quoteText($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteTime($value, $quote, $escape_wildcards) - { - if ($value === 'CURRENT_TIME') { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { - return $db->function->now('time'); - } - return 'CURRENT_TIME'; - } - return $this->_quoteText($value, $quote, $escape_wildcards); - } - - // }}} - // {{{ _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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteFloat($value, $quote, $escape_wildcards) - { - if (preg_match('/^(.*)e([-+])(\d+)$/i', $value, $matches)) { - $decimal = $this->_quoteDecimal($matches[1], $quote, $escape_wildcards); - $sign = $matches[2]; - $exponent = str_pad($matches[3], 2, '0', STR_PAD_LEFT); - $value = $decimal.'E'.$sign.$exponent; - } else { - $value = $this->_quoteDecimal($value, $quote, $escape_wildcards); - } - return $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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteDecimal($value, $quote, $escape_wildcards) - { - $value = (string)$value; - $value = preg_replace('/[^\d\.,\-+eE]/', '', $value); - if (preg_match('/[^.0-9]/', $value)) { - if (strpos($value, ',')) { - // 1000,00 - if (!strpos($value, '.')) { - // convert the last "," to a "." - $value = strrev(str_replace(',', '.', strrev($value))); - // 1.000,00 - } elseif (strpos($value, '.') && strpos($value, '.') < strpos($value, ',')) { - $value = str_replace('.', '', $value); - // convert the last "," to a "." - $value = strrev(str_replace(',', '.', strrev($value))); - // 1,000.00 - } else { - $value = str_replace(',', '', $value); - } - } - } - return $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 $db; - } - - if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) { - if ($match[1] == 'file://') { - $file = $match[2]; - } - } - - $fp = @fopen($file, 'wb'); - while (!@feof($lob)) { - $result = @fread($lob, $db->options['lob_buffer_length']); - $read = strlen($result); - if (@fwrite($fp, $result, $read) != $read) { - @fclose($fp); - return $db->raiseError(MDB2_ERROR, null, null, - 'could not write to the output file', __FUNCTION__); - } - } - @fclose($fp); - return MDB2_OK; - } - - // }}} - // {{{ _retrieveLOB() - - /** - * retrieve LOB from the database - * - * @param array $lob array - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access protected - */ - function _retrieveLOB(&$lob) - { - if (is_null($lob['value'])) { - $lob['value'] = $lob['resource']; - } - $lob['loaded'] = true; - return MDB2_OK; - } - - // }}} - // {{{ readLOB() - - /** - * Read data from large object input stream. - * - * @param resource $lob stream handle - * @param string $data reference to a variable that will hold data - * to be read from the large object input stream - * @param integer $length value that indicates the largest ammount ofdata - * to be read from the large object input stream. - * @return mixed the effective number of bytes read from the large object - * input stream on sucess or an MDB2 error object. - * @access public - * @see endOfLOB() - */ - function _readLOB($lob, $length) - { - return substr($lob['value'], $lob['position'], $length); - } - - // }}} - // {{{ _endOfLOB() - - /** - * Determine whether it was reached the end of the large object and - * therefore there is no more data to be read for the its input stream. - * - * @param array $lob array - * @return mixed true or false on success, a MDB2 error on failure - * @access protected - */ - function _endOfLOB($lob) - { - return $lob['endOfLOB']; - } - - // }}} - // {{{ destroyLOB() - - /** - * Free any resources allocated during the lifetime of the large object - * handler object. - * - * @param resource $lob stream handle - * @access public - */ - function destroyLOB($lob) - { - $lob_data = stream_get_meta_data($lob); - $lob_index = $lob_data['wrapper_data']->lob_index; - fclose($lob); - if (isset($this->lobs[$lob_index])) { - $this->_destroyLOB($this->lobs[$lob_index]); - unset($this->lobs[$lob_index]); - } - return MDB2_OK; - } - - // }}} - // {{{ _destroyLOB() - - /** - * Free any resources allocated during the lifetime of the large object - * handler object. - * - * @param array $lob array - * @access private - */ - function _destroyLOB(&$lob) - { - return MDB2_OK; - } - - // }}} - // {{{ implodeArray() - - /** - * apply a type to all values of an array and return as a comma seperated string - * useful for generating IN statements - * - * @access public - * - * @param array $array data array - * @param string $type determines type of the field - * - * @return string comma seperated values - */ - function implodeArray($array, $type = false) - { - if (!is_array($array) || empty($array)) { - return 'NULL'; - } - if ($type) { - foreach ($array as $value) { - $return[] = $this->quote($value, $type); - } - } else { - $return = $array; - } - return implode(', ', $return); - } - - // }}} - // {{{ matchPattern() - - /** - * build a pattern matching string - * - * @access public - * - * @param array $pattern even keys are strings, odd are patterns (% and _) - * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future) - * @param string $field optional field name that is being matched against - * (might be required when emulating ILIKE) - * - * @return string SQL pattern - */ - function matchPattern($pattern, $operator = null, $field = null) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $match = ''; - if (!is_null($operator)) { - $operator = strtoupper($operator); - switch ($operator) { - // case insensitive - case 'ILIKE': - if (is_null($field)) { - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'case insensitive LIKE matching requires passing the field name', __FUNCTION__); - } - $db->loadModule('Function', null, true); - $match = $db->function->lower($field).' LIKE '; - break; - // case sensitive - case 'LIKE': - $match = is_null($field) ? 'LIKE ' : $field.' LIKE '; - break; - default: - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'not a supported operator type:'. $operator, __FUNCTION__); - } - } - $match.= "'"; - foreach ($pattern as $key => $value) { - if ($key % 2) { - $match.= $value; - } else { - if ($operator === 'ILIKE') { - $value = strtolower($value); - } - $escaped = $db->escape($value); - if (PEAR::isError($escaped)) { - return $escaped; - } - $match.= $db->escapePattern($escaped); - } - } - $match.= "'"; - $match.= $this->patternEscapeString(); - return $match; - } - - // }}} - // {{{ patternEscapeString() - - /** - * build string to define pattern escape character - * - * @access public - * - * @return string define pattern escape character - */ - function patternEscapeString() - { - return ''; - } - - // }}} - // {{{ mapNativeDatatype() - - /** - * Maps a native array description of a field to a MDB2 datatype and length - * - * @param array $field native field description - * @return array containing the various possible types, length, sign, fixed - * @access public - */ - function mapNativeDatatype($field) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - // If the user has specified an option to map the native field - // type to a custom MDB2 datatype... - $db_type = strtok($field['type'], '(), '); - if (!empty($db->options['nativetype_map_callback'][$db_type])) { - return call_user_func_array($db->options['nativetype_map_callback'][$db_type], array($db, $field)); - } - - // Otherwise perform the built-in (i.e. normal) MDB2 native type to - // MDB2 datatype conversion - return $this->_mapNativeDatatype($field); - } - - // }}} - // {{{ _mapNativeDatatype() - - /** - * Maps a native array description of a field to a MDB2 datatype and length - * - * @param array $field native field description - * @return array containing the various possible types, length, sign, fixed - * @access public - */ - function _mapNativeDatatype($field) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'method not implemented', __FUNCTION__); - } - - // }}} - // {{{ mapPrepareDatatype() - - /** - * Maps an mdb2 datatype to mysqli prepare type - * - * @param string $type - * @return string - * @access public - */ - function mapPrepareDatatype($type) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - if (!empty($db->options['datatype_map'][$type])) { - $type = $db->options['datatype_map'][$type]; - if (!empty($db->options['datatype_map_callback'][$type])) { - $parameter = array('type' => $type); - return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); - } - } - - return $type; - } -} + | +// +----------------------------------------------------------------------+ +// +// $Id: Common.php,v 1.137 2008/02/17 18:53:40 afz Exp $ + +require_once 'MDB2/LOB.php'; + +/** + * @package MDB2 + * @category Database + * @author Lukas Smith + */ + +/** + * MDB2_Driver_Common: Base class that is extended by each MDB2 driver + * + * To load this module in the MDB2 object: + * $mdb->loadModule('Datatype'); + * + * @package MDB2 + * @category Database + * @author Lukas Smith + */ +class MDB2_Driver_Datatype_Common extends MDB2_Module_Common +{ + var $valid_default_values = array( + 'text' => '', + 'boolean' => true, + 'integer' => 0, + 'decimal' => 0.0, + 'float' => 0.0, + 'timestamp' => '1970-01-01 00:00:00', + 'time' => '00:00:00', + 'date' => '1970-01-01', + 'clob' => '', + 'blob' => '', + ); + + /** + * contains all LOB objects created with this MDB2 instance + * @var array + * @access protected + */ + var $lobs = array(); + + // }}} + // {{{ getValidTypes() + + /** + * Get the list of valid types + * + * This function returns an array of valid types as keys with the values + * being possible default values for all native datatypes and mapped types + * for custom datatypes. + * + * @return mixed array on success, a MDB2 error on failure + * @access public + */ + function getValidTypes() + { + $types = $this->valid_default_values; + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (!empty($db->options['datatype_map'])) { + foreach ($db->options['datatype_map'] as $type => $mapped_type) { + if (array_key_exists($mapped_type, $types)) { + $types[$type] = $types[$mapped_type]; + } elseif (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('type' => $type, 'mapped_type' => $mapped_type); + $default = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + $types[$type] = $default; + } + } + } + return $types; + } + + // }}} + // {{{ checkResultTypes() + + /** + * Define the list of types to be associated with the columns of a given + * result set. + * + * This function may be called before invoking fetchRow(), fetchOne() + * fetchCole() and fetchAll() so that the necessary data type + * conversions are performed on the data to be retrieved by them. If this + * function is not called, the type of all result set columns is assumed + * to be text, thus leading to not perform any conversions. + * + * @param array $types array variable that lists the + * data types to be expected in the result set columns. If this array + * contains less types than the number of columns that are returned + * in the result set, the remaining columns are assumed to be of the + * type text. Currently, the types clob and blob are not fully + * supported. + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function checkResultTypes($types) + { + $types = is_array($types) ? $types : array($types); + foreach ($types as $key => $type) { + if (!isset($this->valid_default_values[$type])) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (empty($db->options['datatype_map'][$type])) { + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + $type.' for '.$key.' is not a supported column type', __FUNCTION__); + } + } + } + return $types; + } + + // }}} + // {{{ _baseConvertResult() + + /** + * General type conversion method + * + * @param mixed $value reference to a value to be converted + * @param string $type specifies which type to convert to + * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text + * @return object an MDB2 error on failure + * @access protected + */ + function _baseConvertResult($value, $type, $rtrim = true) + { + switch ($type) { + case 'text': + if ($rtrim) { + $value = rtrim($value); + } + return $value; + case 'integer': + return intval($value); + case 'boolean': + return !empty($value); + case 'decimal': + return $value; + case 'float': + return doubleval($value); + case 'date': + return $value; + case 'time': + return $value; + case 'timestamp': + return $value; + case 'clob': + case 'blob': + $this->lobs[] = array( + 'buffer' => null, + 'position' => 0, + 'lob_index' => null, + 'endOfLOB' => false, + 'resource' => $value, + 'value' => null, + 'loaded' => false, + ); + end($this->lobs); + $lob_index = key($this->lobs); + $this->lobs[$lob_index]['lob_index'] = $lob_index; + return fopen('MDB2LOB://'.$lob_index.'@'.$this->db_index, 'r+'); + } + + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_INVALID, null, null, + 'attempt to convert result value to an unknown type :' . $type, __FUNCTION__); + } + + // }}} + // {{{ convertResult() + + /** + * Convert a value to a RDBMS indipendent MDB2 type + * + * @param mixed $value value to be converted + * @param string $type specifies which type to convert to + * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text + * @return mixed converted value + * @access public + */ + function convertResult($value, $type, $rtrim = true) + { + if (is_null($value)) { + return null; + } + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (!empty($db->options['datatype_map'][$type])) { + $type = $db->options['datatype_map'][$type]; + if (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('type' => $type, 'value' => $value, 'rtrim' => $rtrim); + return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + } + } + return $this->_baseConvertResult($value, $type, $rtrim); + } + + // }}} + // {{{ convertResultRow() + + /** + * Convert a result row + * + * @param array $types + * @param array $row specifies the types to convert to + * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text + * @return mixed MDB2_OK on success, an MDB2 error on failure + * @access public + */ + function convertResultRow($types, $row, $rtrim = true) + { + $types = $this->_sortResultFieldTypes(array_keys($row), $types); + foreach ($row as $key => $value) { + if (empty($types[$key])) { + continue; + } + $value = $this->convertResult($row[$key], $types[$key], $rtrim); + if (PEAR::isError($value)) { + return $value; + } + $row[$key] = $value; + } + return $row; + } + + // }}} + // {{{ _sortResultFieldTypes() + + /** + * convert a result row + * + * @param array $types + * @param array $row specifies the types to convert to + * @param bool $rtrim if to rtrim text values or not + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function _sortResultFieldTypes($columns, $types) + { + $n_cols = count($columns); + $n_types = count($types); + if ($n_cols > $n_types) { + for ($i= $n_cols - $n_types; $i >= 0; $i--) { + $types[] = null; + } + } + $sorted_types = array(); + foreach ($columns as $col) { + $sorted_types[$col] = null; + } + foreach ($types as $name => $type) { + if (array_key_exists($name, $sorted_types)) { + $sorted_types[$name] = $type; + unset($types[$name]); + } + } + // if there are left types in the array, fill the null values of the + // sorted array with them, in order. + if (count($types)) { + reset($types); + foreach (array_keys($sorted_types) as $k) { + if (is_null($sorted_types[$k])) { + $sorted_types[$k] = current($types); + next($types); + } + } + } + return $sorted_types; + } + + // }}} + // {{{ getDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare + * of the given type + * + * @param string $type type to which the value should be converted to + * @param string $name name the field to be declared. + * @param string $field definition of the field + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access public + */ + function getDeclaration($type, $name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (!empty($db->options['datatype_map'][$type])) { + $type = $db->options['datatype_map'][$type]; + if (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('type' => $type, 'name' => $name, 'field' => $field); + return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + } + $field['type'] = $type; + } + + if (!method_exists($this, "_get{$type}Declaration")) { + return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, + 'type not defined: '.$type, __FUNCTION__); + } + return $this->{"_get{$type}Declaration"}($name, $field); + } + + // }}} + // {{{ 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': + $length = !empty($field['length']) ? $field['length'] : $db->options['default_text_field_length']; + $fixed = !empty($field['fixed']) ? $field['fixed'] : false; + return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') + : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); + case 'clob': + return 'TEXT'; + case 'blob': + return 'TEXT'; + case 'integer': + return 'INT'; + case 'boolean': + return 'INT'; + case 'date': + return 'CHAR ('.strlen('YYYY-MM-DD').')'; + case 'time': + return 'CHAR ('.strlen('HH:MM:SS').')'; + case 'timestamp': + return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'; + case 'float': + return 'TEXT'; + case 'decimal': + return 'TEXT'; + } + return ''; + } + + // }}} + // {{{ _getDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to declare a generic type + * field to be used in statements like CREATE TABLE. + * + * @param string $name name the field to be declared. + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * length + * Integer value that determines the maximum length of the text + * field. If this argument is missing the field should be + * declared to have the longest length allowed by the DBMS. + * + * default + * Text value to be used as default for this field. + * + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * charset + * Text value with the default CHARACTER SET for this field. + * collation + * Text value with the default COLLATION for this field. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field, or a MDB2_Error on failure + * @access protected + */ + function _getDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + $declaration_options = $db->datatype->_getDeclarationOptions($field); + if (PEAR::isError($declaration_options)) { + return $declaration_options; + } + return $name.' '.$this->getTypeDeclaration($field).$declaration_options; + } + + // }}} + // {{{ _getDeclarationOptions() + + /** + * Obtain DBMS specific SQL code portion needed to declare a generic type + * field to be used in statement like CREATE TABLE, without the field name + * and type values (ie. just the character set, default value, if the + * field is permitted to be NULL or not, and the collation options). + * + * @param array $field associative array with the name of the properties + * of the field being declared as array indexes. Currently, the types + * of supported field properties are as follows: + * + * default + * Text value to be used as default for this field. + * notnull + * Boolean flag that indicates whether this field is constrained + * to not be set to null. + * charset + * Text value with the default CHARACTER SET for this field. + * collation + * Text value with the default COLLATION for this field. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field's options. + * @access protected + */ + function _getDeclarationOptions($field) + { + $charset = empty($field['charset']) ? '' : + ' '.$this->_getCharsetFieldDeclaration($field['charset']); + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $default = ''; + if (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $valid_default_values = $this->getValidTypes(); + $field['default'] = $valid_default_values[$field['type']]; + if ($field['default'] === ''&& ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) { + $field['default'] = ' '; + } + } + if (!is_null($field['default'])) { + $default = ' DEFAULT ' . $this->quote($field['default'], $field['type']); + } + } + + $collation = empty($field['collation']) ? '' : + ' '.$this->_getCollationFieldDeclaration($field['collation']); + + return $charset.$default.$notnull.$collation; + } + + // }}} + // {{{ _getCharsetFieldDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET + * of a field declaration to be used in statements like CREATE TABLE. + * + * @param string $charset name of the charset + * @return string DBMS specific SQL code portion needed to set the CHARACTER SET + * of a field declaration. + */ + function _getCharsetFieldDeclaration($charset) + { + return ''; + } + + // }}} + // {{{ _getCollationFieldDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to set the COLLATION + * of a field declaration to be used in statements like CREATE TABLE. + * + * @param string $collation name of the collation + * @return string DBMS specific SQL code portion needed to set the COLLATION + * of a field declaration. + */ + function _getCollationFieldDeclaration($collation) + { + 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, $field) + { + if (!empty($field['unsigned'])) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $name = $db->quoteIdentifier($name, true); + 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) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $name = $db->quoteIdentifier($name, true); + 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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ _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) + { + return $this->_getDeclaration($name, $field); + } + + // }}} + // {{{ compareDefinition() + + /** + * Obtain an array of changes that may need to applied + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access public + */ + function compareDefinition($current, $previous) + { + $type = !empty($current['type']) ? $current['type'] : null; + + if (!method_exists($this, "_compare{$type}Definition")) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('current' => $current, 'previous' => $previous); + $change = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + return $change; + } + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'type "'.$current['type'].'" is not yet supported', __FUNCTION__); + } + + if (empty($previous['type']) || $previous['type'] != $type) { + return $current; + } + + $change = $this->{"_compare{$type}Definition"}($current, $previous); + + if ($previous['type'] != $type) { + $change['type'] = true; + } + + $previous_notnull = !empty($previous['notnull']) ? $previous['notnull'] : false; + $notnull = !empty($current['notnull']) ? $current['notnull'] : false; + if ($previous_notnull != $notnull) { + $change['notnull'] = true; + } + + $previous_default = array_key_exists('default', $previous) ? $previous['default'] : + ($previous_notnull ? '' : null); + $default = array_key_exists('default', $current) ? $current['default'] : + ($notnull ? '' : null); + if ($previous_default !== $default) { + $change['default'] = true; + } + + return $change; + } + + // }}} + // {{{ _compareIntegerDefinition() + + /** + * Obtain an array of changes that may need to applied to an integer field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareIntegerDefinition($current, $previous) + { + $change = array(); + $previous_unsigned = !empty($previous['unsigned']) ? $previous['unsigned'] : false; + $unsigned = !empty($current['unsigned']) ? $current['unsigned'] : false; + if ($previous_unsigned != $unsigned) { + $change['unsigned'] = true; + } + $previous_autoincrement = !empty($previous['autoincrement']) ? $previous['autoincrement'] : false; + $autoincrement = !empty($current['autoincrement']) ? $current['autoincrement'] : false; + if ($previous_autoincrement != $autoincrement) { + $change['autoincrement'] = true; + } + return $change; + } + + // }}} + // {{{ _compareTextDefinition() + + /** + * Obtain an array of changes that may need to applied to an text field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareTextDefinition($current, $previous) + { + $change = array(); + $previous_length = !empty($previous['length']) ? $previous['length'] : 0; + $length = !empty($current['length']) ? $current['length'] : 0; + if ($previous_length != $length) { + $change['length'] = true; + } + $previous_fixed = !empty($previous['fixed']) ? $previous['fixed'] : 0; + $fixed = !empty($current['fixed']) ? $current['fixed'] : 0; + if ($previous_fixed != $fixed) { + $change['fixed'] = true; + } + return $change; + } + + // }}} + // {{{ _compareCLOBDefinition() + + /** + * Obtain an array of changes that may need to applied to an CLOB field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareCLOBDefinition($current, $previous) + { + return $this->_compareTextDefinition($current, $previous); + } + + // }}} + // {{{ _compareBLOBDefinition() + + /** + * Obtain an array of changes that may need to applied to an BLOB field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareBLOBDefinition($current, $previous) + { + return $this->_compareTextDefinition($current, $previous); + } + + // }}} + // {{{ _compareDateDefinition() + + /** + * Obtain an array of changes that may need to applied to an date field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareDateDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ _compareTimeDefinition() + + /** + * Obtain an array of changes that may need to applied to an time field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareTimeDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ _compareTimestampDefinition() + + /** + * Obtain an array of changes that may need to applied to an timestamp field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareTimestampDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ _compareBooleanDefinition() + + /** + * Obtain an array of changes that may need to applied to an boolean field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareBooleanDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ _compareFloatDefinition() + + /** + * Obtain an array of changes that may need to applied to an float field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareFloatDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ _compareDecimalDefinition() + + /** + * Obtain an array of changes that may need to applied to an decimal field + * + * @param array $current new definition + * @param array $previous old definition + * @return array containing all changes that will need to be applied + * @access protected + */ + function _compareDecimalDefinition($current, $previous) + { + return array(); + } + + // }}} + // {{{ quote() + + /** + * 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. + * @param string $type type to which the value should be converted to + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access public + */ + function quote($value, $type = null, $quote = true, $escape_wildcards = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (is_null($value) + || ($value === '' && $db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) + ) { + if (!$quote) { + return null; + } + return 'NULL'; + } + + if (is_null($type)) { + switch (gettype($value)) { + case 'integer': + $type = 'integer'; + break; + case 'double': + // todo: default to decimal as float is quite unusual + // $type = 'float'; + $type = 'decimal'; + break; + case 'boolean': + $type = 'boolean'; + break; + case 'array': + $value = serialize($value); + case 'object': + $type = 'text'; + break; + default: + if (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/', $value)) { + $type = 'timestamp'; + } elseif (preg_match('/^\d{2}:\d{2}$/', $value)) { + $type = 'time'; + } elseif (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) { + $type = 'date'; + } else { + $type = 'text'; + } + break; + } + } elseif (!empty($db->options['datatype_map'][$type])) { + $type = $db->options['datatype_map'][$type]; + if (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('type' => $type, 'value' => $value, 'quote' => $quote, 'escape_wildcards' => $escape_wildcards); + return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + } + } + + if (!method_exists($this, "_quote{$type}")) { + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'type not defined: '.$type, __FUNCTION__); + } + $value = $this->{"_quote{$type}"}($value, $quote, $escape_wildcards); + if ($quote && $escape_wildcards && $db->string_quoting['escape_pattern'] + && $db->string_quoting['escape'] !== $db->string_quoting['escape_pattern'] + ) { + $value.= $this->patternEscapeString(); + } + return $value; + } + + // }}} + // {{{ _quoteInteger() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteInteger($value, $quote, $escape_wildcards) + { + return (int)$value; + } + + // }}} + // {{{ _quoteText() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that already contains any DBMS specific + * escaped character sequences. + * @access protected + */ + function _quoteText($value, $quote, $escape_wildcards) + { + if (!$quote) { + return $value; + } + + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $value = $db->escape($value, $escape_wildcards); + if (PEAR::isError($value)) { + return $value; + } + return "'".$value."'"; + } + + // }}} + // {{{ _readFile() + + /** + * Convert a text value into a DBMS specific format that is suitable to + * compose query statements. + * + * @param string $value text string value that is intended to be converted. + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _readFile($value) + { + $close = false; + if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { + $close = true; + if ($match[1] == 'file://') { + $value = $match[2]; + } + $value = @fopen($value, 'r'); + } + + if (is_resource($value)) { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $fp = $value; + $value = ''; + while (!@feof($fp)) { + $value.= @fread($fp, $db->options['lob_buffer_length']); + } + if ($close) { + @fclose($fp); + } + } + + return $value; + } + + // }}} + // {{{ _quoteLOB() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteLOB($value, $quote, $escape_wildcards) + { + $value = $this->_readFile($value); + if (PEAR::isError($value)) { + return $value; + } + return $this->_quoteText($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _quoteCLOB() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteCLOB($value, $quote, $escape_wildcards) + { + return $this->_quoteLOB($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _quoteBLOB() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value, $quote, $escape_wildcards) + { + return $this->_quoteLOB($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBoolean($value, $quote, $escape_wildcards) + { + return ($value ? 1 : 0); + } + + // }}} + // {{{ _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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDate($value, $quote, $escape_wildcards) + { + if ($value === 'CURRENT_DATE') { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { + return $db->function->now('date'); + } + return 'CURRENT_DATE'; + } + return $this->_quoteText($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTimestamp($value, $quote, $escape_wildcards) + { + if ($value === 'CURRENT_TIMESTAMP') { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { + return $db->function->now('timestamp'); + } + return 'CURRENT_TIMESTAMP'; + } + return $this->_quoteText($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteTime($value, $quote, $escape_wildcards) + { + if ($value === 'CURRENT_TIME') { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) { + return $db->function->now('time'); + } + return 'CURRENT_TIME'; + } + return $this->_quoteText($value, $quote, $escape_wildcards); + } + + // }}} + // {{{ _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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteFloat($value, $quote, $escape_wildcards) + { + if (preg_match('/^(.*)e([-+])(\d+)$/i', $value, $matches)) { + $decimal = $this->_quoteDecimal($matches[1], $quote, $escape_wildcards); + $sign = $matches[2]; + $exponent = str_pad($matches[3], 2, '0', STR_PAD_LEFT); + $value = $decimal.'E'.$sign.$exponent; + } else { + $value = $this->_quoteDecimal($value, $quote, $escape_wildcards); + } + return $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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteDecimal($value, $quote, $escape_wildcards) + { + $value = (string)$value; + $value = preg_replace('/[^\d\.,\-+eE]/', '', $value); + if (preg_match('/[^\.\d]/', $value)) { + if (strpos($value, ',')) { + // 1000,00 + if (!strpos($value, '.')) { + // convert the last "," to a "." + $value = strrev(str_replace(',', '.', strrev($value))); + // 1.000,00 + } elseif (strpos($value, '.') && strpos($value, '.') < strpos($value, ',')) { + $value = str_replace('.', '', $value); + // convert the last "," to a "." + $value = strrev(str_replace(',', '.', strrev($value))); + // 1,000.00 + } else { + $value = str_replace(',', '', $value); + } + } + } + return $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 $db; + } + + if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) { + if ($match[1] == 'file://') { + $file = $match[2]; + } + } + + $fp = @fopen($file, 'wb'); + while (!@feof($lob)) { + $result = @fread($lob, $db->options['lob_buffer_length']); + $read = strlen($result); + if (@fwrite($fp, $result, $read) != $read) { + @fclose($fp); + return $db->raiseError(MDB2_ERROR, null, null, + 'could not write to the output file', __FUNCTION__); + } + } + @fclose($fp); + return MDB2_OK; + } + + // }}} + // {{{ _retrieveLOB() + + /** + * retrieve LOB from the database + * + * @param array $lob array + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access protected + */ + function _retrieveLOB(&$lob) + { + if (is_null($lob['value'])) { + $lob['value'] = $lob['resource']; + } + $lob['loaded'] = true; + return MDB2_OK; + } + + // }}} + // {{{ readLOB() + + /** + * Read data from large object input stream. + * + * @param resource $lob stream handle + * @param string $data reference to a variable that will hold data + * to be read from the large object input stream + * @param integer $length value that indicates the largest ammount ofdata + * to be read from the large object input stream. + * @return mixed the effective number of bytes read from the large object + * input stream on sucess or an MDB2 error object. + * @access public + * @see endOfLOB() + */ + function _readLOB($lob, $length) + { + return substr($lob['value'], $lob['position'], $length); + } + + // }}} + // {{{ _endOfLOB() + + /** + * Determine whether it was reached the end of the large object and + * therefore there is no more data to be read for the its input stream. + * + * @param array $lob array + * @return mixed true or false on success, a MDB2 error on failure + * @access protected + */ + function _endOfLOB($lob) + { + return $lob['endOfLOB']; + } + + // }}} + // {{{ destroyLOB() + + /** + * Free any resources allocated during the lifetime of the large object + * handler object. + * + * @param resource $lob stream handle + * @access public + */ + function destroyLOB($lob) + { + $lob_data = stream_get_meta_data($lob); + $lob_index = $lob_data['wrapper_data']->lob_index; + fclose($lob); + if (isset($this->lobs[$lob_index])) { + $this->_destroyLOB($this->lobs[$lob_index]); + unset($this->lobs[$lob_index]); + } + return MDB2_OK; + } + + // }}} + // {{{ _destroyLOB() + + /** + * Free any resources allocated during the lifetime of the large object + * handler object. + * + * @param array $lob array + * @access private + */ + function _destroyLOB(&$lob) + { + return MDB2_OK; + } + + // }}} + // {{{ implodeArray() + + /** + * apply a type to all values of an array and return as a comma seperated string + * useful for generating IN statements + * + * @access public + * + * @param array $array data array + * @param string $type determines type of the field + * + * @return string comma seperated values + */ + function implodeArray($array, $type = false) + { + if (!is_array($array) || empty($array)) { + return 'NULL'; + } + if ($type) { + foreach ($array as $value) { + $return[] = $this->quote($value, $type); + } + } else { + $return = $array; + } + return implode(', ', $return); + } + + // }}} + // {{{ matchPattern() + + /** + * build a pattern matching string + * + * @access public + * + * @param array $pattern even keys are strings, odd are patterns (% and _) + * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future) + * @param string $field optional field name that is being matched against + * (might be required when emulating ILIKE) + * + * @return string SQL pattern + */ + function matchPattern($pattern, $operator = null, $field = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $match = ''; + if (!is_null($operator)) { + $operator = strtoupper($operator); + switch ($operator) { + // case insensitive + case 'ILIKE': + if (is_null($field)) { + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'case insensitive LIKE matching requires passing the field name', __FUNCTION__); + } + $db->loadModule('Function', null, true); + $match = $db->function->lower($field).' LIKE '; + break; + // case sensitive + case 'LIKE': + $match = is_null($field) ? 'LIKE ' : $field.' LIKE '; + break; + default: + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'not a supported operator type:'. $operator, __FUNCTION__); + } + } + $match.= "'"; + foreach ($pattern as $key => $value) { + if ($key % 2) { + $match.= $value; + } else { + if ($operator === 'ILIKE') { + $value = strtolower($value); + } + $escaped = $db->escape($value); + if (PEAR::isError($escaped)) { + return $escaped; + } + $match.= $db->escapePattern($escaped); + } + } + $match.= "'"; + $match.= $this->patternEscapeString(); + return $match; + } + + // }}} + // {{{ patternEscapeString() + + /** + * build string to define pattern escape character + * + * @access public + * + * @return string define pattern escape character + */ + function patternEscapeString() + { + return ''; + } + + // }}} + // {{{ mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types, length, sign, fixed + * @access public + */ + function mapNativeDatatype($field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + // If the user has specified an option to map the native field + // type to a custom MDB2 datatype... + $db_type = strtok($field['type'], '(), '); + if (!empty($db->options['nativetype_map_callback'][$db_type])) { + return call_user_func_array($db->options['nativetype_map_callback'][$db_type], array($db, $field)); + } + + // Otherwise perform the built-in (i.e. normal) MDB2 native type to + // MDB2 datatype conversion + return $this->_mapNativeDatatype($field); + } + + // }}} + // {{{ _mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types, length, sign, fixed + * @access public + */ + function _mapNativeDatatype($field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + // }}} + // {{{ mapPrepareDatatype() + + /** + * Maps an mdb2 datatype to mysqli prepare type + * + * @param string $type + * @return string + * @access public + */ + function mapPrepareDatatype($type) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (!empty($db->options['datatype_map'][$type])) { + $type = $db->options['datatype_map'][$type]; + if (!empty($db->options['datatype_map_callback'][$type])) { + $parameter = array('type' => $type); + return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter)); + } + } + + return $type; + } +} ?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mssql.php b/program/lib/MDB2/Driver/Datatype/mssql.php index 4bdad8c57..fff343c73 100644 --- a/program/lib/MDB2/Driver/Datatype/mssql.php +++ b/program/lib/MDB2/Driver/Datatype/mssql.php @@ -1,498 +1,436 @@ - | -// | Daniel Convissor | -// +----------------------------------------------------------------------+ -// -// $Id: mssql.php,v 1.59 2007/12/03 20:59:50 quipo Exp $ -// - -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 -{ - // {{{ _baseConvertResult() - - /** - * general type conversion method - * - * @param mixed $value refernce to a value to be converted - * @param string $type specifies which type to convert to - * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text - * @return object a MDB2 error on failure - * @access protected - */ - function _baseConvertResult($value, $type, $rtrim = true) - { - if (is_null($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 $value; - } - return parent::_baseConvertResult($value, $type, $rtrim); - } - - // }}} - // {{{ _getCollationFieldDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to set the COLLATION - * of a field declaration to be used in statements like CREATE TABLE. - * - * @param string $collation name of the collation - * - * @return string DBMS specific SQL code portion needed to set the COLLATION - * of a field declaration. - */ - function _getCollationFieldDeclaration($collation) - { - return 'COLLATE '.$collation; - } - - // }}} - // {{{ 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': - $length = !empty($field['length']) - ? $field['length'] : false; - $fixed = !empty($field['fixed']) ? $field['fixed'] : false; - return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') - : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); - case 'clob': - if (!empty($field['length'])) { - $length = $field['length']; - if ($length <= 8000) { - return 'VARCHAR('.$length.')'; - } - } - return 'TEXT'; - case 'blob': - if (!empty($field['length'])) { - $length = $field['length']; - if ($length <= 8000) { - return "VARBINARY($length)"; - } - } - return 'IMAGE'; - case 'integer': - return 'INT'; - case 'boolean': - return 'BIT'; - case 'date': - return 'CHAR ('.strlen('YYYY-MM-DD').')'; - case 'time': - return 'CHAR ('.strlen('HH:MM:SS').')'; - case 'timestamp': - return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'; - case 'float': - return 'FLOAT'; - case 'decimal': - $length = !empty($field['length']) ? $field['length'] : 18; - $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places']; - return 'DECIMAL('.$length.','.$scale.')'; - } - return ''; - } - - // }}} - // {{{ _getDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a generic type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the text - * field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * default - * Text value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getDeclarationOptions($field) - { - $charset = empty($field['charset']) ? '' : - ' '.$this->_getCharsetFieldDeclaration($field['charset']); - - $default = ''; - if (array_key_exists('default', $field)) { - if ($field['default'] === '') { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - $field['default'] = empty($field['notnull']) - ? null : $this->valid_default_values[$field['type']]; - if ($field['default'] === '' - && ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) - ) { - $field['default'] = ' '; - } - } - $default = ' DEFAULT '.$this->quote($field['default'], $field['type']); - } elseif (empty($field['notnull'])) { - $default = ' DEFAULT NULL'; - } - - $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; - if ($default == ' DEFAULT NULL' && $notnull == ' NULL') { - $notnull = ''; - } - - $collation = empty($field['collation']) ? '' : - ' '.$this->_getCollationFieldDeclaration($field['collation']); - return $charset.$default.$notnull.$collation; - } - - // }}} - // {{{ _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 =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $default = $autoinc = '';; - if (!empty($field['autoincrement'])) { - $autoinc = ' IDENTITY PRIMARY KEY'; - } elseif (array_key_exists('default', $field)) { - if ($field['default'] === '') { - $field['default'] = empty($field['notnull']) ? null : 0; - } - $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); - } elseif (empty($field['notnull'])) { - $default = ' DEFAULT NULL'; - } - - $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; - if ($default == ' DEFAULT NULL' && $notnull == ' NULL') { - $notnull = ''; - } - if (!empty($field['unsigned'])) { - $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; - } - $name = $db->quoteIdentifier($name, true); - return $name.' '.$this->getTypeDeclaration($field).$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 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) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; - $name = $db->quoteIdentifier($name, true); - 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) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; - $name = $db->quoteIdentifier($name, true); - return $name.' '.$this->getTypeDeclaration($field).$notnull; - } - - // }}} - // {{{ _quoteBLOB() - - /** - * 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. - * @param bool $quote determines if the value should be quoted and escaped - * @param bool $escape_wildcards if to escape escape wildcards - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteBLOB($value, $quote, $escape_wildcards) - { - if (!$quote) { - return $value; - } - $value = bin2hex("0x".$this->_readFile($value)); - return $value; - } - - // }}} - // {{{ _mapNativeDatatype() - - /** - * Maps a native array description of a field to a MDB2 datatype and length - * - * @param array $field native field description - * @return array containing the various possible types, length, sign, fixed - * @access public - */ - function _mapNativeDatatype($field) - { - // todo: handle length of various int variations - $db_type = preg_replace('/\d/', '', strtolower($field['type'])); - $length = $field['length']; - $type = array(); - // todo: unsigned handling seems to be missing - $unsigned = $fixed = null; - switch ($db_type) { - case 'bit': - $type[0] = 'boolean'; - break; - case 'tinyint': - $type[0] = 'integer'; - $length = 1; - break; - case 'smallint': - $type[0] = 'integer'; - $length = 2; - break; - case 'int': - $type[0] = 'integer'; - $length = 4; - break; - case 'bigint': - $type[0] = 'integer'; - $length = 8; - break; - case 'datetime': - $type[0] = 'timestamp'; - break; - case 'float': - case 'real': - case 'numeric': - $type[0] = 'float'; - break; - case 'decimal': - case 'money': - $type[0] = 'decimal'; - $length = $field['numeric_precision'].','.$field['numeric_scale']; - break; - case 'text': - case 'ntext': - case 'varchar': - case 'nvarchar': - $fixed = false; - case 'char': - case 'nchar': - $type[0] = 'text'; - if ($length == '1') { - $type[] = 'boolean'; - if (preg_match('/^(is|has)/', $field['name'])) { - $type = array_reverse($type); - } - } elseif (strstr($db_type, 'text')) { - $type[] = 'clob'; - $type = array_reverse($type); - } - if ($fixed !== false) { - $fixed = true; - } - break; - case 'image': - case 'varbinary': - $type[] = 'blob'; - $length = null; - break; - default: - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'unknown database attribute type: '.$db_type, __FUNCTION__); - } - - if ((int)$length <= 0) { - $length = null; - } - - return array($type, $length, $unsigned, $fixed); - } - // }}} -} - + | +// | Daniel Convissor | +// +----------------------------------------------------------------------+ +// +// $Id: mssql.php,v 1.65 2008/02/19 14:54:17 afz Exp $ +// + +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 +{ + // {{{ _baseConvertResult() + + /** + * general type conversion method + * + * @param mixed $value refernce to a value to be converted + * @param string $type specifies which type to convert to + * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text + * @return object a MDB2 error on failure + * @access protected + */ + function _baseConvertResult($value, $type, $rtrim = true) + { + if (is_null($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 $value; + } + return parent::_baseConvertResult($value, $type, $rtrim); + } + + // }}} + // {{{ _getCollationFieldDeclaration() + + /** + * Obtain DBMS specific SQL code portion needed to set the COLLATION + * of a field declaration to be used in statements like CREATE TABLE. + * + * @param string $collation name of the collation + * + * @return string DBMS specific SQL code portion needed to set the COLLATION + * of a field declaration. + */ + function _getCollationFieldDeclaration($collation) + { + return 'COLLATE '.$collation; + } + + // }}} + // {{{ 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': + $length = !empty($field['length']) + ? $field['length'] : false; + $fixed = !empty($field['fixed']) ? $field['fixed'] : false; + return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')') + : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); + case 'clob': + if (!empty($field['length'])) { + $length = $field['length']; + if ($length <= 8000) { + return 'VARCHAR('.$length.')'; + } + } + return 'TEXT'; + case 'blob': + if (!empty($field['length'])) { + $length = $field['length']; + if ($length <= 8000) { + return "VARBINARY($length)"; + } + } + return 'IMAGE'; + case 'integer': + return 'INT'; + case 'boolean': + return 'BIT'; + case 'date': + return 'CHAR ('.strlen('YYYY-MM-DD').')'; + case 'time': + return 'CHAR ('.strlen('HH:MM:SS').')'; + case 'timestamp': + return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')'; + case 'float': + return 'FLOAT'; + case 'decimal': + $length = !empty($field['length']) ? $field['length'] : 18; + $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places']; + return 'DECIMAL('.$length.','.$scale.')'; + } + 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 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 =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; + $default = $autoinc = ''; + if (!empty($field['autoincrement'])) { + $autoinc = ' IDENTITY PRIMARY KEY'; + } elseif (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $field['default'] = 0; + } + if (is_null($field['default'])) { + $default = ' DEFAULT (null)'; + } else { + $default = ' DEFAULT (' . $this->quote($field['default'], 'integer') . ')'; + } + } + + if (!empty($field['unsigned'])) { + $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; + } + + $name = $db->quoteIdentifier($name, true); + return $name.' '.$this->getTypeDeclaration($field).$notnull.$default.$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 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) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; + $name = $db->quoteIdentifier($name, true); + 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) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; + $name = $db->quoteIdentifier($name, true); + return $name.' '.$this->getTypeDeclaration($field).$notnull; + } + + // }}} + // {{{ _quoteBLOB() + + /** + * 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. + * @param bool $quote determines if the value should be quoted and escaped + * @param bool $escape_wildcards if to escape escape wildcards + * @return string text string that represents the given argument value in + * a DBMS specific format. + * @access protected + */ + function _quoteBLOB($value, $quote, $escape_wildcards) + { + if (!$quote) { + return $value; + } + $value = '0x'.bin2hex($this->_readFile($value)); + return $value; + } + + // }}} + // {{{ _mapNativeDatatype() + + /** + * Maps a native array description of a field to a MDB2 datatype and length + * + * @param array $field native field description + * @return array containing the various possible types, length, sign, fixed + * @access public + */ + function _mapNativeDatatype($field) + { + // todo: handle length of various int variations + $db_type = preg_replace('/\d/', '', strtolower($field['type'])); + $length = $field['length']; + $type = array(); + // todo: unsigned handling seems to be missing + $unsigned = $fixed = null; + switch ($db_type) { + case 'bit': + $type[0] = 'boolean'; + break; + case 'tinyint': + $type[0] = 'integer'; + $length = 1; + break; + case 'smallint': + $type[0] = 'integer'; + $length = 2; + break; + case 'int': + $type[0] = 'integer'; + $length = 4; + break; + case 'bigint': + $type[0] = 'integer'; + $length = 8; + break; + case 'datetime': + $type[0] = 'timestamp'; + break; + case 'float': + case 'real': + case 'numeric': + $type[0] = 'float'; + break; + case 'decimal': + case 'money': + $type[0] = 'decimal'; + $length = $field['numeric_precision'].','.$field['numeric_scale']; + break; + case 'text': + case 'ntext': + case 'varchar': + case 'nvarchar': + $fixed = false; + case 'char': + case 'nchar': + $type[0] = 'text'; + if ($length == '1') { + $type[] = 'boolean'; + if (preg_match('/^(is|has)/', $field['name'])) { + $type = array_reverse($type); + } + } elseif (strstr($db_type, 'text')) { + $type[] = 'clob'; + $type = array_reverse($type); + } + if ($fixed !== false) { + $fixed = true; + } + break; + case 'image': + case 'varbinary': + $type[] = 'blob'; + $length = null; + break; + default: + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'unknown database attribute type: '.$db_type, __FUNCTION__); + } + + if ((int)$length <= 0) { + $length = null; + } + + return array($type, $length, $unsigned, $fixed); + } + // }}} +} + ?> \ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mysql.php b/program/lib/MDB2/Driver/Datatype/mysql.php index 388d0b2b4..f54dd0a9c 100644 --- a/program/lib/MDB2/Driver/Datatype/mysql.php +++ b/program/lib/MDB2/Driver/Datatype/mysql.php @@ -3,7 +3,7 @@ // +----------------------------------------------------------------------+ // | PHP versions 4 and 5 | // +----------------------------------------------------------------------+ -// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | +// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | // | Stig. S. Bakken, Lukas Smith | // | All rights reserved. | // +----------------------------------------------------------------------+ @@ -43,7 +43,7 @@ // | Author: Lukas Smith | // +----------------------------------------------------------------------+ // -// $Id: mysql.php,v 1.62 2007/11/09 20:54:58 quipo Exp $ +// $Id: mysql.php,v 1.65 2008/02/22 19:23:49 quipo Exp $ // require_once 'MDB2/Driver/Datatype/Common.php'; @@ -232,6 +232,93 @@ class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0; } $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); + } + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; + $name = $db->quoteIdentifier($name, true); + return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc; + } + + // }}} + // {{{ _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 $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned float if + * possible. + * + * default + * float value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + // Since AUTO_INCREMENT can be used for integer or floating-point types, + // reuse the INTEGER declaration + // @see http://bugs.mysql.com/bug.php?id=31032 + return $this->_getIntegerDeclaration($name, $field); + } + + // }}} + // {{{ _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 $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned integer if + * possible. + * + * default + * Decimal value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $default = ''; + if (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $field['default'] = empty($field['notnull']) ? null : 0; + } + $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); } elseif (empty($field['notnull'])) { $default = ' DEFAULT NULL'; } @@ -239,7 +326,7 @@ class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; $name = $db->quoteIdentifier($name, true); - return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc; + return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull; } // }}} diff --git a/program/lib/MDB2/Driver/Datatype/mysqli.php b/program/lib/MDB2/Driver/Datatype/mysqli.php index 40f70f24a..deba9194e 100644 --- a/program/lib/MDB2/Driver/Datatype/mysqli.php +++ b/program/lib/MDB2/Driver/Datatype/mysqli.php @@ -43,7 +43,7 @@ // | Author: Lukas Smith | // +----------------------------------------------------------------------+ // -// $Id: mysqli.php,v 1.61 2007/11/09 20:54:58 quipo Exp $ +// $Id: mysqli.php,v 1.63 2008/02/22 19:23:49 quipo Exp $ // require_once 'MDB2/Driver/Datatype/Common.php'; @@ -232,6 +232,93 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0; } $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); + } + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; + $name = $db->quoteIdentifier($name, true); + return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc; + } + + // }}} + // {{{ _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 $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned float if + * possible. + * + * default + * float value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getFloatDeclaration($name, $field) + { + // Since AUTO_INCREMENT can be used for integer or floating-point types, + // reuse the INTEGER declaration + // @see http://bugs.mysql.com/bug.php?id=31032 + return $this->_getIntegerDeclaration($name, $field); + } + + // }}} + // {{{ _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 $field associative array with the name of the properties + * of the field being declared as array indexes. + * Currently, the types of supported field + * properties are as follows: + * + * unsigned + * Boolean flag that indicates whether the field + * should be declared as unsigned integer if + * possible. + * + * default + * Decimal value to be used as default for this + * field. + * + * notnull + * Boolean flag that indicates whether this field is + * constrained to not be set to null. + * @return string DBMS specific SQL code portion that should be used to + * declare the specified field. + * @access protected + */ + function _getDecimalDeclaration($name, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $default = ''; + if (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $field['default'] = empty($field['notnull']) ? null : 0; + } + $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); } elseif (empty($field['notnull'])) { $default = ' DEFAULT NULL'; } @@ -239,7 +326,7 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; $name = $db->quoteIdentifier($name, true); - return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc; + return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull; } // }}} @@ -356,7 +443,6 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common case 'mediumtext': case 'longtext': case 'text': - case 'text': case 'varchar': $fixed = false; case 'string': diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php index 8a7e3ff33..c31c7d83a 100644 --- a/program/lib/MDB2/Driver/Datatype/pgsql.php +++ b/program/lib/MDB2/Driver/Datatype/pgsql.php @@ -42,7 +42,7 @@ // | Author: Paul Cooper | // +----------------------------------------------------------------------+ // -// $Id: pgsql.php,v 1.88 2007/11/09 20:54:58 quipo Exp $ +// $Id: pgsql.php,v 1.91 2008/03/09 12:28:08 quipo Exp $ require_once 'MDB2/Driver/Datatype/Common.php'; @@ -217,8 +217,6 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0; } $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); - } elseif (empty($field['notnull'])) { - $default = ' DEFAULT NULL'; } $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; @@ -453,6 +451,7 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common break; case 'datetime': case 'timestamp': + case 'timestamptz': $type[] = 'timestamp'; $length = null; break; @@ -461,6 +460,7 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common $length = null; break; case 'float': + case 'float4': case 'float8': case 'double': case 'real': diff --git a/program/lib/MDB2/Driver/Datatype/sqlite.php b/program/lib/MDB2/Driver/Datatype/sqlite.php index e518e45fa..0310cc77d 100644 --- a/program/lib/MDB2/Driver/Datatype/sqlite.php +++ b/program/lib/MDB2/Driver/Datatype/sqlite.php @@ -43,7 +43,7 @@ // | Author: Lukas Smith | // +----------------------------------------------------------------------+ // -// $Id: sqlite.php,v 1.65 2007/12/03 20:59:51 quipo Exp $ +// $Id: sqlite.php,v 1.67 2008/02/22 19:58:06 quipo Exp $ // require_once 'MDB2/Driver/Datatype/Common.php'; @@ -212,8 +212,6 @@ class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0; } $default = ' DEFAULT '.$this->quote($field['default'], 'integer'); - } elseif (empty($field['notnull'])) { - $default = ' DEFAULT NULL'; } $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; @@ -394,7 +392,6 @@ class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common if (PEAR::isError($db)) { return $db; } - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, 'unknown database attribute type: '.$db_type, __FUNCTION__); } -- cgit v1.2.3