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Diffstat (limited to 'program/lib/MDB2/Driver/Datatype/mysql.php')
| -rw-r--r-- | program/lib/MDB2/Driver/Datatype/mysql.php | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/program/lib/MDB2/Driver/Datatype/mysql.php b/program/lib/MDB2/Driver/Datatype/mysql.php deleted file mode 100644 index 055e01067..000000000 --- a/program/lib/MDB2/Driver/Datatype/mysql.php +++ /dev/null @@ -1,562 +0,0 @@ -<?php -// vim: set et ts=4 sw=4 fdm=marker: -// +----------------------------------------------------------------------+ -// | PHP versions 4 and 5 | -// +----------------------------------------------------------------------+ -// | Copyright (c) 1998-2008 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> | -// +----------------------------------------------------------------------+ -// -// $Id: mysql.php 295587 2010-02-28 17:16:38Z quipo $ -// - -require_once 'MDB2/Driver/Datatype/Common.php'; - -/** - * MDB2 MySQL driver - * - * @package MDB2 - * @category Database - * @author Lukas Smith <smith@pooteeweet.org> - */ -class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common -{ - // {{{ _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 'CHARACTER SET '.$charset; - } - - // }}} - // {{{ _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': - if (empty($field['length']) && array_key_exists('default', $field)) { - $field['length'] = $db->varchar_max_length; - } - $length = !empty($field['length']) ? $field['length'] : false; - $fixed = !empty($field['fixed']) ? $field['fixed'] : false; - return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)') - : ($length ? 'VARCHAR('.$length.')' : 'TEXT'); - case 'clob': - if (!empty($field['length'])) { - $length = $field['length']; - if ($length <= 255) { - return 'TINYTEXT'; - } elseif ($length <= 65532) { - return 'TEXT'; - } elseif ($length <= 16777215) { - return 'MEDIUMTEXT'; - } - } - return 'LONGTEXT'; - case 'blob': - if (!empty($field['length'])) { - $length = $field['length']; - if ($length <= 255) { - return 'TINYBLOB'; - } elseif ($length <= 65532) { - return 'BLOB'; - } elseif ($length <= 16777215) { - return 'MEDIUMBLOB'; - } - } - return 'LONGBLOB'; - case 'integer': - if (!empty($field['length'])) { - $length = $field['length']; - if ($length <= 1) { - return 'TINYINT'; - } elseif ($length == 2) { - return 'SMALLINT'; - } elseif ($length == 3) { - return 'MEDIUMINT'; - } elseif ($length == 4) { - return 'INT'; - } elseif ($length > 4) { - return 'BIGINT'; - } - } - return 'INT'; - case 'boolean': - return 'TINYINT(1)'; - case 'date': - return 'DATE'; - case 'time': - return 'TIME'; - case 'timestamp': - return 'DATETIME'; - case 'float': - return 'DOUBLE'; - 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; - } - - $default = $autoinc = ''; - if (!empty($field['autoincrement'])) { - $autoinc = ' AUTO_INCREMENT 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'); - } - - $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; - $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; - if (empty($default) && empty($notnull)) { - $default = ' DEFAULT NULL'; - } - $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'; - } - - $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; - $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED'; - $name = $db->quoteIdentifier($name, true); - return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull; - } - - // }}} - // {{{ 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 (null !== $operator) { - $field = (null === $field) ? '' : $field.' '; - $operator = strtoupper($operator); - switch ($operator) { - // case insensitive - case 'ILIKE': - $match = $field.'LIKE '; - break; - case 'NOT ILIKE': - $match = $field.'NOT LIKE '; - break; - // case sensitive - case 'LIKE': - $match = $field.'LIKE BINARY '; - break; - case 'NOT LIKE': - $match = $field.'NOT LIKE BINARY '; - 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 { - $match.= $db->escapePattern($db->escape($value)); - } - } - $match.= "'"; - $match.= $this->patternEscapeString(); - return $match; - } - - // }}} - // {{{ _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) - { - $db_type = strtolower($field['type']); - $db_type = strtok($db_type, '(), '); - if ($db_type == 'national') { - $db_type = strtok('(), '); - } - if (!empty($field['length'])) { - $length = strtok($field['length'], ', '); - $decimal = strtok(', '); - } else { - $length = strtok('(), '); - $decimal = strtok('(), '); - } - $type = array(); - $unsigned = $fixed = null; - switch ($db_type) { - case 'tinyint': - $type[] = 'integer'; - $type[] = 'boolean'; - if (preg_match('/^(is|has)/', $field['name'])) { - $type = array_reverse($type); - } - $unsigned = preg_match('/ unsigned/i', $field['type']); - $length = 1; - break; - case 'smallint': - $type[] = 'integer'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - $length = 2; - break; - case 'mediumint': - $type[] = 'integer'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - $length = 3; - break; - case 'int': - case 'integer': - $type[] = 'integer'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - $length = 4; - break; - case 'bigint': - $type[] = 'integer'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - $length = 8; - break; - case 'tinytext': - case 'mediumtext': - case 'longtext': - case 'text': - case 'varchar': - $fixed = false; - case 'string': - case 'char': - $type[] = 'text'; - if ($length == '1') { - $type[] = 'boolean'; - if (preg_match('/^(is|has)/', $field['name'])) { - $type = array_reverse($type); - } - } elseif (strstr($db_type, 'text')) { - $type[] = 'clob'; - if ($decimal == 'binary') { - $type[] = 'blob'; - } - $type = array_reverse($type); - } - if ($fixed !== false) { - $fixed = true; - } - break; - case 'enum': - $type[] = 'text'; - preg_match_all('/\'.+\'/U', $field['type'], $matches); - $length = 0; - $fixed = false; - if (is_array($matches)) { - foreach ($matches[0] as $value) { - $length = max($length, strlen($value)-2); - } - if ($length == '1' && count($matches[0]) == 2) { - $type[] = 'boolean'; - if (preg_match('/^(is|has)/', $field['name'])) { - $type = array_reverse($type); - } - } - } - $type[] = 'integer'; - case 'set': - $fixed = false; - $type[] = 'text'; - $type[] = 'integer'; - break; - case 'date': - $type[] = 'date'; - $length = null; - break; - case 'datetime': - case 'timestamp': - $type[] = 'timestamp'; - $length = null; - break; - case 'time': - $type[] = 'time'; - $length = null; - break; - case 'float': - case 'double': - case 'real': - $type[] = 'float'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - break; - case 'unknown': - case 'decimal': - case 'numeric': - $type[] = 'decimal'; - $unsigned = preg_match('/ unsigned/i', $field['type']); - if ($decimal !== false) { - $length = $length.','.$decimal; - } - break; - case 'tinyblob': - case 'mediumblob': - case 'longblob': - case 'blob': - $type[] = 'blob'; - $length = null; - break; - case 'binary': - case 'varbinary': - $type[] = 'blob'; - break; - case 'year': - $type[] = 'integer'; - $type[] = 'date'; - $length = null; - break; - default: - $db = $this->getDBInstance(); - if (PEAR::isError($db)) { - return $db; - } - - return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, - 'unknown database attribute type: '.$db_type, __FUNCTION__); - } - - if ((int)$length <= 0) { - $length = null; - } - - return array($type, $length, $unsigned, $fixed); - } - - // }}} -} - -?>
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