diff options
Diffstat (limited to 'program/lib/MDB2/Driver/Datatype/ibase.php')
| -rwxr-xr-x | program/lib/MDB2/Driver/Datatype/ibase.php | 659 |
1 files changed, 0 insertions, 659 deletions
diff --git a/program/lib/MDB2/Driver/Datatype/ibase.php b/program/lib/MDB2/Driver/Datatype/ibase.php deleted file mode 100755 index 958665440..000000000 --- a/program/lib/MDB2/Driver/Datatype/ibase.php +++ /dev/null @@ -1,659 +0,0 @@ -<?php -// vim: set et ts=4 sw=4 fdm=marker: -// +----------------------------------------------------------------------+ -// | PHP versions 4 and 5 | -// +----------------------------------------------------------------------+ -// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | -// | Stig. S. Bakken, Lukas Smith | -// | All rights reserved. | -// +----------------------------------------------------------------------+ -// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | -// | API as well as database abstraction for PHP applications. | -// | This LICENSE is in the BSD license style. | -// | | -// | Redistribution and use in source and binary forms, with or without | -// | modification, are permitted provided that the following conditions | -// | are met: | -// | | -// | Redistributions of source code must retain the above copyright | -// | notice, this list of conditions and the following disclaimer. | -// | | -// | Redistributions in binary form must reproduce the above copyright | -// | notice, this list of conditions and the following disclaimer in the | -// | documentation and/or other materials provided with the distribution. | -// | | -// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | -// | Lukas Smith nor the names of his contributors may be used to endorse | -// | or promote products derived from this software without specific prior| -// | written permission. | -// | | -// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | -// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | -// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | -// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | -// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | -// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | -// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| -// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | -// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | -// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| -// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | -// | POSSIBILITY OF SUCH DAMAGE. | -// +----------------------------------------------------------------------+ -// | Author: Lukas Smith <smith@pooteeweet.org> | -// | Lorenzo Alberton <l.alberton@quipo.it> | -// +----------------------------------------------------------------------+ -// -// $Id$ - -require_once 'MDB2/Driver/Datatype/Common.php'; - -/** - * MDB2 Firebird/Interbase driver - * - * @package MDB2 - * @category Database - * @author Lukas Smith <smith@pooteeweet.org> - * @author Lorenzo Alberton <l.alberton@quipo.it> - */ -class MDB2_Driver_Datatype_ibase extends MDB2_Driver_Datatype_Common -{ - // {{{ convertResult() - - /** - * convert a value to a RDBMS independent MDB2 type - * - * @param mixed $value value to be converted - * @param int $type constant that specifies which type to convert to - * @return mixed converted value or a MDB2 error on failure - * @access public - */ - function convertResult($value, $type) - { - if (is_null($value)) { - return null; - } - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - switch ($type) { - case 'decimal': - return sprintf('%.'.$db->options['decimal_places'].'f', doubleval($value)/pow(10.0, $db->options['decimal_places'])); - case 'timestamp': - return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS')); - default: - return $this->_baseConvertResult($value, $type); - } - } - - // }}} - // {{{ getTypeDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare an text type - * field to be used in statements like CREATE TABLE. - * - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the text - * field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * default - * Text value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access public - */ - function getTypeDeclaration($field) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - switch ($field['type']) { - case 'text': - $length = (array_key_exists('length', $field) ? $field['length'] : (!PEAR::isError($length = $db->options['default_text_field_length']) ? $length : 4000)); - return 'VARCHAR ('.$length.')'; - case 'clob': - return 'BLOB SUB_TYPE 1'; - case 'blob': - return 'BLOB SUB_TYPE 0'; - case 'integer': - return 'INTEGER'; - case 'boolean': - return 'CHAR (1)'; - case 'date': - return 'DATE'; - case 'time': - return 'TIME'; - case 'timestamp': - return 'TIMESTAMP'; - case 'float': - return 'DOUBLE PRECISION'; - case 'decimal': - return 'DECIMAL(18,'.$db->options['decimal_places'].')'; - } - return ''; - } - - // }}} - // {{{ _getIntegerDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare an integer type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * unsigned - * Boolean flag that indicates whether the field should be - * declared as unsigned integer if possible. - * - * default - * Integer value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getIntegerDeclaration($name, $field) - { - if (array_key_exists('unsigned', $field) && $field['unsigned']) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer"; - } - - if (array_key_exists('autoincrement', $field) && $field['autoincrement']) { - return $name.' PRIMARY KEY'; - } - - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'integer') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' INT'.$default.$notnull; - } - - // }}} - // {{{ _getTextDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a text type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the text - * field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * default - * Text value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getTextDeclaration($name, $field) - { - $type = $this->getTypeDeclaration($field); - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'text') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$type.$default.$notnull; - } - - // }}} - // {{{ _getCLOBDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a character - * large object type field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the large - * object field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getCLOBDeclaration($name, $field) - { - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$notnull; - } - - // }}} - // {{{ _getBLOBDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a binary large - * object type field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * length - * Integer value that determines the maximum length of the large - * object field. If this argument is missing the field should be - * declared to have the longest length allowed by the DBMS. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getBLOBDeclaration($name, $field) - { - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$notnull; - } - - // }}} - // {{{ _getDateDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a date type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Date value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getDateDeclaration($name, $field) - { - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'date') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; - } - - // }}} - // {{{ _getTimeDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a time - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Time value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getTimeDeclaration($name, $field) - { - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'time') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; - } - - // }}} - // {{{ _getTimestampDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a timestamp - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Timestamp value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getTimestampDeclaration($name, $field) - { - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'timestamp') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; - } - - // }}} - // {{{ _getFloatDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a float type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Float value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getFloatDeclaration($name, $field) - { - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'float') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; - } - - // }}} - // {{{ _getDecimalDeclaration() - - /** - * Obtain DBMS specific SQL code portion needed to declare a decimal type - * field to be used in statements like CREATE TABLE. - * - * @param string $name name the field to be declared. - * @param array $field associative array with the name of the properties - * of the field being declared as array indexes. Currently, the types - * of supported field properties are as follows: - * - * default - * Decimal value to be used as default for this field. - * - * notnull - * Boolean flag that indicates whether this field is constrained - * to not be set to null. - * @return string DBMS specific SQL code portion that should be used to - * declare the specified field. - * @access protected - */ - function _getDecimalDeclaration($name, $field) - { - $default = array_key_exists('default', $field) ? ' DEFAULT '. - $this->quote($field['default'], 'decimal') : ''; - $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : ''; - return $name.' '.$this->getTypeDeclaration($field).$default.$notnull; - } - - // }}} - // {{{ _quoteLOB() - - /** - * Convert a text value into a DBMS specific format that is suitable to - * compose query statements. - * - * @param $value - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteLOB($value) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - if (PEAR::isError($connect = $db->connect())) { - return $connect; - } - $close = true; - if (is_resource($value)) { - $close = false; - } elseif (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { - if ($match[1] == 'file://') { - $value = $match[2]; - } - $value = @fopen($value, 'r'); - } else { - $fp = @tmpfile(); - @fwrite($fp, $value); - @rewind($fp); - $value = $fp; - } - if ($db->in_transaction) { - $blob_id = @ibase_blob_import($db->transaction_id, $value); - } else { - $blob_id = @ibase_blob_import($db->connection, $value); - } - if ($close) { - @fclose($value); - } - return $blob_id; - } - - // }}} - // {{{ _quoteDecimal() - - /** - * Convert a text value into a DBMS specific format that is suitable to - * compose query statements. - * - * @param string $value text string value that is intended to be converted. - * @return string text string that represents the given argument value in - * a DBMS specific format. - * @access protected - */ - function _quoteDecimal($value) - { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return (strval(round($value*pow(10.0, $db->options['decimal_places'])))); - } - - // }}} - // {{{ _retrieveLOB() - - /** - * retrieve LOB from the database - * - * @param resource $lob stream handle - * @return mixed MDB2_OK on success, a MDB2 error on failure - * @access protected - */ - function _retrieveLOB(&$lob) - { - if (!array_key_exists('handle', $lob)) { - $lob['handle'] = @ibase_blob_open($lob['ressource']); - if (!$lob['handle']) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR, null, null, - '_retrieveLOB: Could not open fetched large object field' . @ibase_errmsg()); - } - } - return MDB2_OK; - } - - // }}} - // {{{ _readLOB() - - /** - * Read data from large object input stream. - * - * @param resource $lob stream handle - * @param blob $data reference to a variable that will hold data to be - * read from the large object input stream - * @param int $length integer value that indicates the largest ammount of - * data to be read from the large object input stream. - * @return mixed length on success, a MDB2 error on failure - * @access protected - */ - function _readLOB($lob, $length) - { - $data = ibase_blob_get($lob['handle'], $length); - if (!is_string($data)) { - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR, null, null, - 'Read Result LOB: ' . @ibase_errmsg()); - } - return $data; - } - - // }}} - // {{{ _destroyLOB() - - /** - * Free any resources allocated during the lifetime of the large object - * handler object. - * - * @param resource $lob stream handle - * @access protected - */ - function _destroyLOB($lob_index) - { - if (isset($this->lobs[$lob_index]['handle'])) { - @ibase_blob_close($this->lobs[$lob_index]['handle']); - } - } - - // }}} - // {{{ mapNativeDatatype() - - /** - * Maps a native array description of a field to a MDB2 datatype and length - * - * @param array $field native field description - * @return array containing the various possible types and the length - * @access public - */ - function mapNativeDatatype($field) - { - $db_type = preg_replace('/\d/','', strtolower($field['typname']) ); - $length = $field['attlen']; - if ($length == '-1') { - $length = $field['atttypmod']-4; - } - if ((int)$length <= 0) { - $length = null; - } - $type = array(); - switch ($db_type) { - case 'smallint': - case 'integer': - $type[] = 'integer'; - if ($length == '1') { - $type[] = 'boolean'; - } - break; - case 'char': - case 'varchar': - $type[] = 'text'; - if ($length == '1') { - $type[] = 'boolean'; - } - break; - case 'date': - $type[] = 'date'; - $length = null; - break; - case 'timestamp': - $type[] = 'timestamp'; - $length = null; - break; - case 'time': - $type[] = 'time'; - $length = null; - break; - case 'float': - case 'double precision': - $type[] = 'float'; - break; - case 'decimal': - case 'numeric': - $type[] = 'decimal'; - break; - case 'blob': - $type[] = 'blob'; - $length = null; - break; - default: - $db =& $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR, null, null, - 'getTableFieldDefinition: unknown database attribute type'); - } - - return array($type, $length); - } - - // }}} -} -?>
\ No newline at end of file |