891 lines
26 KiB
PHP
891 lines
26 KiB
PHP
<?php
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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.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\Events;
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use Doctrine\DBAL\Event\SchemaColumnDefinitionEventArgs;
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use Doctrine\DBAL\Event\SchemaIndexDefinitionEventArgs;
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use Doctrine\DBAL\Types;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Platforms\AbstractPlatform;
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/**
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* Base class for schema managers. Schema managers are used to inspect and/or
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* modify the database schema/structure.
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @author Roman Borschel <roman@code-factory.org>
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* @author Jonathan H. Wage <jonwage@gmail.com>
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @since 2.0
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*/
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abstract class AbstractSchemaManager
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{
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/**
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* Holds instance of the Doctrine connection for this schema manager
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*
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* @var \Doctrine\DBAL\Connection
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*/
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protected $_conn;
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/**
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* Holds instance of the database platform used for this schema manager
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*
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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protected $_platform;
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/**
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* Constructor. Accepts the Connection instance to manage the schema for
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*
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* @param \Doctrine\DBAL\Connection $conn
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*/
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public function __construct(\Doctrine\DBAL\Connection $conn)
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{
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$this->_conn = $conn;
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$this->_platform = $this->_conn->getDatabasePlatform();
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}
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/**
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* Return associated platform.
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*
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* @return \Doctrine\DBAL\Platform\AbstractPlatform
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*/
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public function getDatabasePlatform()
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{
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return $this->_platform;
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}
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/**
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* Try any method on the schema manager. Normally a method throws an
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* exception when your DBMS doesn't support it or if an error occurs.
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* This method allows you to try and method on your SchemaManager
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* instance and will return false if it does not work or is not supported.
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*
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* <code>
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* $result = $sm->tryMethod('dropView', 'view_name');
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* </code>
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*
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* @return mixed
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*/
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public function tryMethod()
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{
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$args = func_get_args();
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$method = $args[0];
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unset($args[0]);
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$args = array_values($args);
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try {
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return call_user_func_array(array($this, $method), $args);
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} catch (\Exception $e) {
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return false;
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}
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}
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/**
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* List the available databases for this connection
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*
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* @return array $databases
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*/
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public function listDatabases()
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{
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$sql = $this->_platform->getListDatabasesSQL();
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$databases = $this->_conn->fetchAll($sql);
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return $this->_getPortableDatabasesList($databases);
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}
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/**
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* List the available sequences for this connection
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*
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* @return Sequence[]
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*/
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public function listSequences($database = null)
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{
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if (is_null($database)) {
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$database = $this->_conn->getDatabase();
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}
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$sql = $this->_platform->getListSequencesSQL($database);
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$sequences = $this->_conn->fetchAll($sql);
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return $this->filterAssetNames($this->_getPortableSequencesList($sequences));
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}
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/**
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* List the columns for a given table.
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*
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* In contrast to other libraries and to the old version of Doctrine,
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* this column definition does try to contain the 'primary' field for
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* the reason that it is not portable accross different RDBMS. Use
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* {@see listTableIndexes($tableName)} to retrieve the primary key
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* of a table. We're a RDBMS specifies more details these are held
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* in the platformDetails array.
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*
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* @param string $table The name of the table.
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* @param string $database
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* @return Column[]
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*/
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public function listTableColumns($table, $database = null)
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{
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if (!$database) {
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$database = $this->_conn->getDatabase();
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}
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$sql = $this->_platform->getListTableColumnsSQL($table, $database);
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$tableColumns = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableColumnList($table, $database, $tableColumns);
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}
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/**
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* List the indexes for a given table returning an array of Index instances.
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*
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* Keys of the portable indexes list are all lower-cased.
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*
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* @param string $table The name of the table
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* @return Index[] $tableIndexes
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*/
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public function listTableIndexes($table)
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{
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$sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());
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$tableIndexes = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableIndexesList($tableIndexes, $table);
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}
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/**
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* Return true if all the given tables exist.
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*
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* @param array $tableNames
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* @return bool
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*/
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public function tablesExist($tableNames)
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{
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$tableNames = array_map('strtolower', (array)$tableNames);
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return count($tableNames) == count(\array_intersect($tableNames, array_map('strtolower', $this->listTableNames())));
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}
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/**
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* Return a list of all tables in the current database
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*
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* @return array
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*/
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public function listTableNames()
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{
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$sql = $this->_platform->getListTablesSQL();
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$tables = $this->_conn->fetchAll($sql);
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$tableNames = $this->_getPortableTablesList($tables);
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return $this->filterAssetNames($tableNames);
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}
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/**
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* Filter asset names if they are configured to return only a subset of all
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* the found elements.
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*
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* @param array $assetNames
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* @return array
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*/
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protected function filterAssetNames($assetNames)
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{
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$filterExpr = $this->getFilterSchemaAssetsExpression();
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if (!$filterExpr) {
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return $assetNames;
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}
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return array_values (
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array_filter($assetNames, function ($assetName) use ($filterExpr) {
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$assetName = ($assetName instanceof AbstractAsset) ? $assetName->getName() : $assetName;
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return preg_match('(' . $filterExpr . ')', $assetName);
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})
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);
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}
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protected function getFilterSchemaAssetsExpression()
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{
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return $this->_conn->getConfiguration()->getFilterSchemaAssetsExpression();
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}
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/**
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* List the tables for this connection
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*
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* @return Table[]
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*/
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public function listTables()
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{
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$tableNames = $this->listTableNames();
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$tables = array();
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foreach ($tableNames AS $tableName) {
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$tables[] = $this->listTableDetails($tableName);
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}
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return $tables;
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}
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/**
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* @param string $tableName
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* @return Table
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*/
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public function listTableDetails($tableName)
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{
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$columns = $this->listTableColumns($tableName);
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$foreignKeys = array();
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if ($this->_platform->supportsForeignKeyConstraints()) {
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$foreignKeys = $this->listTableForeignKeys($tableName);
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}
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$indexes = $this->listTableIndexes($tableName);
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return new Table($tableName, $columns, $indexes, $foreignKeys, false, array());
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}
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/**
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* List the views this connection has
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*
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* @return View[]
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*/
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public function listViews()
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{
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$database = $this->_conn->getDatabase();
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$sql = $this->_platform->getListViewsSQL($database);
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$views = $this->_conn->fetchAll($sql);
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return $this->_getPortableViewsList($views);
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}
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/**
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* List the foreign keys for the given table
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*
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* @param string $table The name of the table
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* @return ForeignKeyConstraint[]
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*/
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public function listTableForeignKeys($table, $database = null)
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{
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if (is_null($database)) {
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$database = $this->_conn->getDatabase();
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}
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$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
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$tableForeignKeys = $this->_conn->fetchAll($sql);
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return $this->_getPortableTableForeignKeysList($tableForeignKeys);
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}
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/* drop*() Methods */
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/**
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* Drops a database.
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*
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* NOTE: You can not drop the database this SchemaManager is currently connected to.
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*
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* @param string $database The name of the database to drop
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*/
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public function dropDatabase($database)
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{
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$this->_execSql($this->_platform->getDropDatabaseSQL($database));
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}
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/**
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* Drop the given table
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*
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* @param string $table The name of the table to drop
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*/
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public function dropTable($table)
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{
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$this->_execSql($this->_platform->getDropTableSQL($table));
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}
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/**
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* Drop the index from the given table
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*
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* @param Index|string $index The name of the index
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* @param string|Table $table The name of the table
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*/
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public function dropIndex($index, $table)
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{
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if($index instanceof Index) {
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$index = $index->getQuotedName($this->_platform);
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}
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$this->_execSql($this->_platform->getDropIndexSQL($index, $table));
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}
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/**
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* Drop the constraint from the given table
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*
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* @param Constraint $constraint
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* @param string $table The name of the table
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*/
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public function dropConstraint(Constraint $constraint, $table)
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{
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$this->_execSql($this->_platform->getDropConstraintSQL($constraint, $table));
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}
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/**
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* Drops a foreign key from a table.
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*
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* @param ForeignKeyConstraint|string $table The name of the table with the foreign key.
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* @param Table|string $name The name of the foreign key.
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* @return boolean $result
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*/
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public function dropForeignKey($foreignKey, $table)
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{
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$this->_execSql($this->_platform->getDropForeignKeySQL($foreignKey, $table));
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}
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/**
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* Drops a sequence with a given name.
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*
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* @param string $name The name of the sequence to drop.
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*/
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public function dropSequence($name)
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{
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$this->_execSql($this->_platform->getDropSequenceSQL($name));
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}
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/**
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* Drop a view
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*
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* @param string $name The name of the view
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* @return boolean $result
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*/
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public function dropView($name)
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{
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$this->_execSql($this->_platform->getDropViewSQL($name));
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}
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/* create*() Methods */
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/**
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* Creates a new database.
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*
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* @param string $database The name of the database to create.
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*/
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public function createDatabase($database)
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{
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$this->_execSql($this->_platform->getCreateDatabaseSQL($database));
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}
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/**
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* Create a new table.
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*
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* @param Table $table
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* @param int $createFlags
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*/
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public function createTable(Table $table)
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{
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$createFlags = AbstractPlatform::CREATE_INDEXES|AbstractPlatform::CREATE_FOREIGNKEYS;
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$this->_execSql($this->_platform->getCreateTableSQL($table, $createFlags));
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}
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/**
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* Create a new sequence
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*
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* @param Sequence $sequence
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* @throws Doctrine\DBAL\ConnectionException if something fails at database level
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*/
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public function createSequence($sequence)
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{
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$this->_execSql($this->_platform->getCreateSequenceSQL($sequence));
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}
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/**
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* Create a constraint on a table
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*
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* @param Constraint $constraint
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* @param string|Table $table
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*/
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public function createConstraint(Constraint $constraint, $table)
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{
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$this->_execSql($this->_platform->getCreateConstraintSQL($constraint, $table));
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}
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/**
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* Create a new index on a table
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*
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* @param Index $index
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* @param string $table name of the table on which the index is to be created
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*/
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public function createIndex(Index $index, $table)
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{
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$this->_execSql($this->_platform->getCreateIndexSQL($index, $table));
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}
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/**
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* Create a new foreign key
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*
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* @param ForeignKeyConstraint $foreignKey ForeignKey instance
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* @param string|Table $table name of the table on which the foreign key is to be created
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*/
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public function createForeignKey(ForeignKeyConstraint $foreignKey, $table)
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{
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$this->_execSql($this->_platform->getCreateForeignKeySQL($foreignKey, $table));
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}
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/**
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* Create a new view
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*
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* @param View $view
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*/
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public function createView(View $view)
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{
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$this->_execSql($this->_platform->getCreateViewSQL($view->getQuotedName($this->_platform), $view->getSql()));
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}
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/* dropAndCreate*() Methods */
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/**
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* Drop and create a constraint
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*
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* @param Constraint $constraint
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* @param string $table
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* @see dropConstraint()
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* @see createConstraint()
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*/
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public function dropAndCreateConstraint(Constraint $constraint, $table)
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{
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$this->tryMethod('dropConstraint', $constraint, $table);
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$this->createConstraint($constraint, $table);
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}
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/**
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* Drop and create a new index on a table
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*
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* @param string|Table $table name of the table on which the index is to be created
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* @param Index $index
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*/
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public function dropAndCreateIndex(Index $index, $table)
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{
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$this->tryMethod('dropIndex', $index->getQuotedName($this->_platform), $table);
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$this->createIndex($index, $table);
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}
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/**
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* Drop and create a new foreign key
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*
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* @param ForeignKeyConstraint $foreignKey associative array that defines properties of the foreign key to be created.
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* @param string|Table $table name of the table on which the foreign key is to be created
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*/
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public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table)
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{
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$this->tryMethod('dropForeignKey', $foreignKey, $table);
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$this->createForeignKey($foreignKey, $table);
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}
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/**
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* Drop and create a new sequence
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*
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* @param Sequence $sequence
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* @throws Doctrine\DBAL\ConnectionException if something fails at database level
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*/
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public function dropAndCreateSequence(Sequence $sequence)
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{
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$this->tryMethod('dropSequence', $sequence->getQuotedName($this->_platform));
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$this->createSequence($sequence);
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}
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/**
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* Drop and create a new table.
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*
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* @param Table $table
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*/
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public function dropAndCreateTable(Table $table)
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{
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$this->tryMethod('dropTable', $table->getQuotedName($this->_platform));
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$this->createTable($table);
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}
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/**
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* Drop and creates a new database.
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*
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* @param string $database The name of the database to create.
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*/
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public function dropAndCreateDatabase($database)
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{
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$this->tryMethod('dropDatabase', $database);
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$this->createDatabase($database);
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}
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/**
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* Drop and create a new view
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*
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* @param View $view
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*/
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public function dropAndCreateView(View $view)
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{
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$this->tryMethod('dropView', $view->getQuotedName($this->_platform));
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$this->createView($view);
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}
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/* alterTable() Methods */
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/**
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* Alter an existing tables schema
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*
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* @param TableDiff $tableDiff
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*/
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public function alterTable(TableDiff $tableDiff)
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{
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$queries = $this->_platform->getAlterTableSQL($tableDiff);
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if (is_array($queries) && count($queries)) {
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foreach ($queries AS $ddlQuery) {
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$this->_execSql($ddlQuery);
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}
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}
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}
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/**
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* Rename a given table to another name
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*
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* @param string $name The current name of the table
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* @param string $newName The new name of the table
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*/
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public function renameTable($name, $newName)
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{
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$tableDiff = new TableDiff($name);
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$tableDiff->newName = $newName;
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$this->alterTable($tableDiff);
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}
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/**
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* Methods for filtering return values of list*() methods to convert
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* the native DBMS data definition to a portable Doctrine definition
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*/
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protected function _getPortableDatabasesList($databases)
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{
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$list = array();
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foreach ($databases as $key => $value) {
|
|
if ($value = $this->_getPortableDatabaseDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableDatabaseDefinition($database)
|
|
{
|
|
return $database;
|
|
}
|
|
|
|
protected function _getPortableFunctionsList($functions)
|
|
{
|
|
$list = array();
|
|
foreach ($functions as $key => $value) {
|
|
if ($value = $this->_getPortableFunctionDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableFunctionDefinition($function)
|
|
{
|
|
return $function;
|
|
}
|
|
|
|
protected function _getPortableTriggersList($triggers)
|
|
{
|
|
$list = array();
|
|
foreach ($triggers as $key => $value) {
|
|
if ($value = $this->_getPortableTriggerDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableTriggerDefinition($trigger)
|
|
{
|
|
return $trigger;
|
|
}
|
|
|
|
protected function _getPortableSequencesList($sequences)
|
|
{
|
|
$list = array();
|
|
foreach ($sequences as $key => $value) {
|
|
if ($value = $this->_getPortableSequenceDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
/**
|
|
* @param array $sequence
|
|
* @return Sequence
|
|
*/
|
|
protected function _getPortableSequenceDefinition($sequence)
|
|
{
|
|
throw DBALException::notSupported('Sequences');
|
|
}
|
|
|
|
/**
|
|
* Independent of the database the keys of the column list result are lowercased.
|
|
*
|
|
* The name of the created column instance however is kept in its case.
|
|
*
|
|
* @param string $table The name of the table.
|
|
* @param string $database
|
|
* @param array $tableColumns
|
|
* @return array
|
|
*/
|
|
protected function _getPortableTableColumnList($table, $database, $tableColumns)
|
|
{
|
|
$eventManager = $this->_platform->getEventManager();
|
|
|
|
$list = array();
|
|
foreach ($tableColumns as $key => $tableColumn) {
|
|
$column = null;
|
|
$defaultPrevented = false;
|
|
|
|
if (null !== $eventManager && $eventManager->hasListeners(Events::onSchemaColumnDefinition)) {
|
|
$eventArgs = new SchemaColumnDefinitionEventArgs($tableColumn, $table, $database, $this->_conn);
|
|
$eventManager->dispatchEvent(Events::onSchemaColumnDefinition, $eventArgs);
|
|
|
|
$defaultPrevented = $eventArgs->isDefaultPrevented();
|
|
$column = $eventArgs->getColumn();
|
|
}
|
|
|
|
if (!$defaultPrevented) {
|
|
$column = $this->_getPortableTableColumnDefinition($tableColumn);
|
|
}
|
|
|
|
if ($column) {
|
|
$name = strtolower($column->getQuotedName($this->_platform));
|
|
$list[$name] = $column;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
/**
|
|
* Get Table Column Definition
|
|
*
|
|
* @param array $tableColumn
|
|
* @return Column
|
|
*/
|
|
abstract protected function _getPortableTableColumnDefinition($tableColumn);
|
|
|
|
/**
|
|
* Aggregate and group the index results according to the required data result.
|
|
*
|
|
* @param array $tableIndexRows
|
|
* @param string $tableName
|
|
* @return array
|
|
*/
|
|
protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null)
|
|
{
|
|
$result = array();
|
|
foreach($tableIndexRows AS $tableIndex) {
|
|
$indexName = $keyName = $tableIndex['key_name'];
|
|
if($tableIndex['primary']) {
|
|
$keyName = 'primary';
|
|
}
|
|
$keyName = strtolower($keyName);
|
|
|
|
if(!isset($result[$keyName])) {
|
|
$result[$keyName] = array(
|
|
'name' => $indexName,
|
|
'columns' => array($tableIndex['column_name']),
|
|
'unique' => $tableIndex['non_unique'] ? false : true,
|
|
'primary' => $tableIndex['primary'],
|
|
);
|
|
} else {
|
|
$result[$keyName]['columns'][] = $tableIndex['column_name'];
|
|
}
|
|
}
|
|
|
|
$eventManager = $this->_platform->getEventManager();
|
|
|
|
$indexes = array();
|
|
foreach($result AS $indexKey => $data) {
|
|
$index = null;
|
|
$defaultPrevented = false;
|
|
|
|
if (null !== $eventManager && $eventManager->hasListeners(Events::onSchemaIndexDefinition)) {
|
|
$eventArgs = new SchemaIndexDefinitionEventArgs($data, $tableName, $this->_conn);
|
|
$eventManager->dispatchEvent(Events::onSchemaIndexDefinition, $eventArgs);
|
|
|
|
$defaultPrevented = $eventArgs->isDefaultPrevented();
|
|
$index = $eventArgs->getIndex();
|
|
}
|
|
|
|
if (!$defaultPrevented) {
|
|
$index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary']);
|
|
}
|
|
|
|
if ($index) {
|
|
$indexes[$indexKey] = $index;
|
|
}
|
|
}
|
|
|
|
return $indexes;
|
|
}
|
|
|
|
protected function _getPortableTablesList($tables)
|
|
{
|
|
$list = array();
|
|
foreach ($tables as $key => $value) {
|
|
if ($value = $this->_getPortableTableDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableTableDefinition($table)
|
|
{
|
|
return $table;
|
|
}
|
|
|
|
protected function _getPortableUsersList($users)
|
|
{
|
|
$list = array();
|
|
foreach ($users as $key => $value) {
|
|
if ($value = $this->_getPortableUserDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableUserDefinition($user)
|
|
{
|
|
return $user;
|
|
}
|
|
|
|
protected function _getPortableViewsList($views)
|
|
{
|
|
$list = array();
|
|
foreach ($views as $key => $value) {
|
|
if ($view = $this->_getPortableViewDefinition($value)) {
|
|
$viewName = strtolower($view->getQuotedName($this->_platform));
|
|
$list[$viewName] = $view;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableViewDefinition($view)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
protected function _getPortableTableForeignKeysList($tableForeignKeys)
|
|
{
|
|
$list = array();
|
|
foreach ($tableForeignKeys as $key => $value) {
|
|
if ($value = $this->_getPortableTableForeignKeyDefinition($value)) {
|
|
$list[] = $value;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
|
|
{
|
|
return $tableForeignKey;
|
|
}
|
|
|
|
protected function _execSql($sql)
|
|
{
|
|
foreach ((array) $sql as $query) {
|
|
$this->_conn->executeUpdate($query);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a schema instance for the current database.
|
|
*
|
|
* @return Schema
|
|
*/
|
|
public function createSchema()
|
|
{
|
|
$sequences = array();
|
|
if($this->_platform->supportsSequences()) {
|
|
$sequences = $this->listSequences();
|
|
}
|
|
$tables = $this->listTables();
|
|
|
|
return new Schema($tables, $sequences, $this->createSchemaConfig());
|
|
}
|
|
|
|
/**
|
|
* Create the configuration for this schema.
|
|
*
|
|
* @return SchemaConfig
|
|
*/
|
|
public function createSchemaConfig()
|
|
{
|
|
$schemaConfig = new SchemaConfig();
|
|
$schemaConfig->setMaxIdentifierLength($this->_platform->getMaxIdentifierLength());
|
|
|
|
$searchPaths = $this->getSchemaSearchPaths();
|
|
if (isset($searchPaths[0])) {
|
|
$schemaConfig->setName($searchPaths[0]);
|
|
}
|
|
|
|
return $schemaConfig;
|
|
}
|
|
|
|
/**
|
|
* The search path for namespaces in the currently connected database.
|
|
*
|
|
* The first entry is usually the default namespace in the Schema. All
|
|
* further namespaces contain tables/sequences which can also be addressed
|
|
* with a short, not full-qualified name.
|
|
*
|
|
* For databases that don't support subschema/namespaces this method
|
|
* returns the name of the currently connected database.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getSchemaSearchPaths()
|
|
{
|
|
return array($this->_conn->getDatabase());
|
|
}
|
|
|
|
/**
|
|
* Given a table comment this method tries to extract a typehint for Doctrine Type, or returns
|
|
* the type given as default.
|
|
*
|
|
* @param string $comment
|
|
* @param string $currentType
|
|
* @return string
|
|
*/
|
|
public function extractDoctrineTypeFromComment($comment, $currentType)
|
|
{
|
|
if (preg_match("(\(DC2Type:([a-zA-Z0-9]+)\))", $comment, $match)) {
|
|
$currentType = $match[1];
|
|
}
|
|
return $currentType;
|
|
}
|
|
|
|
public function removeDoctrineTypeFromComment($comment, $type)
|
|
{
|
|
return str_replace('(DC2Type:'.$type.')', '', $comment);
|
|
}
|
|
}
|