398 lines
13 KiB
PHP
398 lines
13 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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/**
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* @package Doctrine
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* @url http://www.phpdoctrine.com
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Id$
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*/
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class Doctrine_DataDict_Mysql extends Doctrine_DataDict {
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/**
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* Obtain DBMS specific SQL code portion needed to declare an text type
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* field to be used in statements like CREATE TABLE.
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*
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* @param array $field associative array with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* length
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* Integer value that determines the maximum length of the text
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* field. If this argument is missing the field should be
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* declared to have the longest length allowed by the DBMS.
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*
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* default
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* Text value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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* @author Lukas Smith (PEAR MDB2 library)
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* @return string DBMS specific SQL code portion that should be used to
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* declare the specified field.
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*/
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public function getTypeDeclaration($field) {
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switch ($field['type']) {
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case 'array':
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case 'object':
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case 'string':
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if (empty($field['length']) && array_key_exists('default', $field)) {
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$field['length'] = $this->dbh->varchar_max_length;
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}
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$length = (! empty($field['length'])) ? $field['length'] : false;
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$fixed = (! empty($field['fixed'])) ? $field['fixed'] : false;
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return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
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: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
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case 'clob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 255) {
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return 'TINYTEXT';
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} elseif ($length <= 65532) {
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return 'TEXT';
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} elseif ($length <= 16777215) {
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return 'MEDIUMTEXT';
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}
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}
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return 'LONGTEXT';
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case 'blob':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 255) {
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return 'TINYBLOB';
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} elseif ($length <= 65532) {
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return 'BLOB';
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} elseif ($length <= 16777215) {
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return 'MEDIUMBLOB';
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}
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}
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return 'LONGBLOB';
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case 'integer':
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if (!empty($field['length'])) {
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$length = $field['length'];
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if ($length <= 1) {
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return 'TINYINT';
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} elseif ($length == 2) {
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return 'SMALLINT';
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} elseif ($length == 3) {
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return 'MEDIUMINT';
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} elseif ($length == 4) {
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return 'INT';
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} elseif ($length > 4) {
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return 'BIGINT';
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}
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}
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return 'INT';
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case 'boolean':
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return 'TINYINT(1)';
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case 'date':
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return 'DATE';
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case 'time':
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return 'TIME';
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case 'timestamp':
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return 'DATETIME';
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case 'float':
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return 'DOUBLE';
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case 'decimal':
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$length = !empty($field['length']) ? $field['length'] : 18;
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return 'DECIMAL('.$length.','.$this->dbh->options['decimal_places'].')';
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}
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return '';
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}
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/**
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* Maps a native array description of a field to a MDB2 datatype and length
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*
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* @param array $field native field description
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* @author Lukas Smith (PEAR MDB2 library)
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* @return array containing the various possible types, length, sign, fixed
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*/
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public function mapNativeDatatype($field) {
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$db_type = strtolower($field['type']);
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$db_type = strtok($db_type, '(), ');
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if ($db_type == 'national') {
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$db_type = strtok('(), ');
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}
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if (!empty($field['length'])) {
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$length = $field['length'];
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$decimal = '';
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} else {
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$length = strtok('(), ');
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$decimal = strtok('(), ');
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}
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$type = array();
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$unsigned = $fixed = null;
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switch ($db_type) {
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case 'tinyint':
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$type[] = 'integer';
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 1;
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break;
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case 'smallint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 2;
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break;
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case 'mediumint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 3;
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break;
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case 'int':
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case 'integer':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 4;
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break;
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case 'bigint':
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$type[] = 'integer';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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$length = 8;
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break;
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case 'tinytext':
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case 'mediumtext':
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case 'longtext':
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case 'text':
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case 'text':
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case 'varchar':
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$fixed = false;
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case 'string':
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case 'char':
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$type[] = 'text';
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if ($length == '1') {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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} elseif (strstr($db_type, 'text')) {
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$type[] = 'clob';
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if ($decimal == 'binary') {
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$type[] = 'blob';
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}
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}
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if ($fixed !== false) {
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$fixed = true;
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}
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break;
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case 'enum':
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$type[] = 'text';
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preg_match_all('/\'.+\'/U', $field['type'], $matches);
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$length = 0;
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$fixed = false;
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if (is_array($matches)) {
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foreach ($matches[0] as $value) {
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$length = max($length, strlen($value)-2);
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}
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if ($length == '1' && count($matches[0]) == 2) {
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$type[] = 'boolean';
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if (preg_match('/^(is|has)/', $field['name'])) {
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$type = array_reverse($type);
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}
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}
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}
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$type[] = 'integer';
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case 'set':
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$fixed = false;
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$type[] = 'text';
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$type[] = 'integer';
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break;
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case 'date':
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$type[] = 'date';
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$length = null;
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break;
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case 'datetime':
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case 'timestamp':
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$type[] = 'timestamp';
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$length = null;
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break;
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case 'time':
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$type[] = 'time';
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$length = null;
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break;
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case 'float':
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case 'double':
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case 'real':
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$type[] = 'float';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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break;
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case 'unknown':
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case 'decimal':
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case 'numeric':
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$type[] = 'decimal';
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$unsigned = preg_match('/ unsigned/i', $field['type']);
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break;
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case 'tinyblob':
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case 'mediumblob':
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case 'longblob':
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case 'blob':
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$type[] = 'blob';
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$length = null;
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break;
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case 'year':
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$type[] = 'integer';
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$type[] = 'date';
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$length = null;
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break;
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default:
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throw new Doctrine_DataDict_Mysql_Exception('unknown database attribute type: '.$db_type);
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}
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return array($type, $length, $unsigned, $fixed);
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}
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/**
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* lists all databases
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*
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* @return array
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*/
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public function listDatabases() {
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$sql = 'SHOW DATABASES';
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return $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* lists all availible database functions
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*
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* @return array
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*/
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public function listFunctions() {
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}
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/**
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* lists all database triggers
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*
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* @param string|null $database
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* @return array
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*/
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public function listTriggers($database = null) {
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}
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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*/
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public function listSequences($database = null) {
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableConstraints($table) {
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableColumns($table) {
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$sql = "DESCRIBE $table";
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$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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$description = array();
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foreach ($result as $key => $val2) {
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$val = array();
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foreach(array_keys($val2) as $valKey){ // lowercase the key names
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$val[strtolower($valKey)] = $val2[$valKey];
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}
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$description = array(
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'name' => $val['field'],
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'type' => $val['type'],
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'primary' => (strtolower($val['key']) == 'pri'),
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'default' => $val['default'],
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'notnull' => (bool) ($val['null'] != 'YES'),
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);
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$columns[$val['field']] = new Doctrine_Schema_Column($description);
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}
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return $columns;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table) {
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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*/
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public function listTables($database = null) {
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$sql = 'SHOW TABLES';
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return $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* lists table triggers
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableTriggers($table) {
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}
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/**
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* lists table views
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableViews($table) {
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}
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/**
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* lists database users
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*
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* @return array
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*/
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public function listUsers() {
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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*/
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public function listViews($database = null) {
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}
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}
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