2009-11-27 00:56:08 +03:00
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<?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.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\Schema\Visitor\CreateSchemaSqlCollector;
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2009-11-28 01:00:43 +03:00
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use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
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use Doctrine\DBAL\Schema\Visitor\Visitor;
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2009-11-27 00:56:08 +03:00
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/**
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* Object representation of a database schema
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision$
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class Schema extends AbstractAsset
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{
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/**
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* @var array
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*/
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protected $_tables = array();
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/**
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* @var array
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*/
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protected $_sequences = array();
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/**
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* @param array $tables
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* @param array $sequences
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*/
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public function __construct(array $tables=array(), array $sequences=array())
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{
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foreach ($tables AS $table) {
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$this->_addTable($table);
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}
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foreach ($sequences AS $sequence) {
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$this->_addSequence($sequence);
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}
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}
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/**
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* @param Table $table
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*/
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protected function _addTable(Table $table)
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{
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2009-12-04 01:10:13 +03:00
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$table->setCaseMode($this->_caseMode);
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2009-12-01 02:12:26 +03:00
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$tableName = strtolower($table->getName());
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2009-11-27 00:56:08 +03:00
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if(isset($this->_tables[$tableName])) {
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throw SchemaException::tableAlreadyExists($tableName);
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}
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$this->_tables[$tableName] = $table;
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}
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/**
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* @param Sequence $sequence
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*/
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protected function _addSequence(Sequence $sequence)
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{
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2009-12-04 01:10:13 +03:00
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$sequence->setCaseMode($this->_caseMode);
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2009-12-01 02:12:26 +03:00
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$seqName = strtolower($sequence->getName());
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2009-11-27 00:56:08 +03:00
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if (isset($this->_sequences[$seqName])) {
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throw SchemaException::sequenceAlreadyExists($seqName);
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}
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$this->_sequences[$seqName] = $sequence;
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}
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/**
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* Get all tables of this schema.
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*
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* @return array
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*/
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public function getTables()
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{
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return $this->_tables;
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}
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/**
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* @param string $tableName
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* @return Table
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*/
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public function getTable($tableName)
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{
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2009-12-01 02:12:26 +03:00
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$tableName = strtolower($tableName);
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2009-11-27 00:56:08 +03:00
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if (!isset($this->_tables[$tableName])) {
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throw SchemaException::tableDoesNotExist($tableName);
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}
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return $this->_tables[$tableName];
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}
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/**
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* Does this schema have a table with the given name?
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*
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* @param string $tableName
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* @return Schema
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*/
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public function hasTable($tableName)
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{
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2009-12-01 02:12:26 +03:00
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$tableName = strtolower($tableName);
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2009-11-27 00:56:08 +03:00
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return isset($this->_tables[$tableName]);
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}
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/**
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* @param string $sequenceName
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* @return bool
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*/
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public function hasSequence($sequenceName)
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{
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2009-12-01 02:12:26 +03:00
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$sequenceName = strtolower($sequenceName);
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2009-11-27 00:56:08 +03:00
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return isset($this->_sequences[$sequenceName]);
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}
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/**
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* @throws SchemaException
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* @param string $sequenceName
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* @return Doctrine\DBAL\Schema\Sequence
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*/
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public function getSequence($sequenceName)
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{
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2009-12-01 02:12:26 +03:00
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$sequenceName = strtolower($sequenceName);
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2009-11-27 00:56:08 +03:00
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if(!$this->hasSequence($sequenceName)) {
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throw SchemaException::sequenceDoesNotExist($sequenceName);
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}
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return $this->_sequences[$sequenceName];
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}
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/**
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* @return Doctrine\DBAL\Schema\Sequence[]
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*/
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public function getSequences()
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{
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return $this->_sequences;
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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 string $tableName
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* @return Table
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*/
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public function createTable($tableName)
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{
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$table = new Table($tableName);
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$this->_addTable($table);
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return $table;
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}
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/**
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* Rename a table
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*
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* @param string $oldTableName
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* @param string $newTableName
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* @return Schema
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*/
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public function renameTable($oldTableName, $newTableName)
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{
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$table = $this->getTable($oldTableName);
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$table->_setName($newTableName);
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$this->dropTable($oldTableName);
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$this->_addTable($table);
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return $this;
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}
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/**
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* Drop a table from the schema.
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*
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* @param string $tableName
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* @return Schema
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*/
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public function dropTable($tableName)
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{
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2009-12-01 02:12:26 +03:00
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$tableName = strtolower($tableName);
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2009-11-27 00:56:08 +03:00
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$table = $this->getTable($tableName);
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unset($this->_tables[$tableName]);
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return $this;
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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 string $sequenceName
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* @param int $allocationSize
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* @param int $initialValue
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2009-11-28 04:22:21 +03:00
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* @return Sequence
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2009-11-27 00:56:08 +03:00
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*/
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public function createSequence($sequenceName, $allocationSize=1, $initialValue=1)
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{
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$seq = new Sequence($sequenceName, $allocationSize, $initialValue);
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$this->_addSequence($seq);
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2009-11-28 04:22:21 +03:00
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return $seq;
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2009-11-27 00:56:08 +03:00
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}
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/**
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* @param string $sequenceName
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* @return Schema
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*/
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public function dropSequence($sequenceName)
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{
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2009-12-01 02:12:26 +03:00
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$sequenceName = strtolower($sequenceName);
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2009-11-27 00:56:08 +03:00
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unset($this->_sequences[$sequenceName]);
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return $this;
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}
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/**
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2009-11-28 01:00:43 +03:00
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* Return an array of necessary sql queries to create the schema on the given platform.
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*
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2009-11-27 00:56:08 +03:00
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* @param AbstractPlatform $platform
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2009-11-28 01:00:43 +03:00
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* @return array
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2009-11-27 00:56:08 +03:00
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*/
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public function toSql(\Doctrine\DBAL\Platforms\AbstractPlatform $platform)
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{
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$sqlCollector = new CreateSchemaSqlCollector($platform);
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$this->visit($sqlCollector);
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return $sqlCollector->getQueries();
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}
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2009-11-28 01:00:43 +03:00
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/**
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* Return an array of necessary sql queries to drop the schema on the given platform.
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*
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* @param AbstractPlatform $platform
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* @return array
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*/
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public function toDropSql(\Doctrine\DBAL\Platforms\AbstractPlatform $platform)
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{
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$dropSqlCollector = new DropSchemaSqlCollector($platform);
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$this->visit($dropSqlCollector);
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return $dropSqlCollector->getQueries();
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}
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2009-11-30 22:02:05 +03:00
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/**
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* @param Schema $schema
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* @param AbstractPlatform $platform
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*/
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public function getMigrateToSql(Schema $schema, \Doctrine\DBAL\Platforms\AbstractPlatform $platform)
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2009-11-28 01:00:43 +03:00
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{
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2009-11-30 22:02:05 +03:00
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$comparator = new Comparator();
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$schemaDiff = $comparator->compare($this, $schema);
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2009-11-28 01:00:43 +03:00
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}
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2009-11-30 22:02:05 +03:00
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/**
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* @param Schema $schema
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* @param AbstractPlatform $platform
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*/
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public function getMigrateFromSql(Schema $schema, \Doctrine\DBAL\Platforms\AbstractPlatform $platform)
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2009-11-28 01:00:43 +03:00
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{
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2009-11-30 22:02:05 +03:00
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$comparator = new Comparator();
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$schemaDiff = $comparator->compare($schema, $this);
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2009-11-28 01:00:43 +03:00
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}
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2009-11-27 00:56:08 +03:00
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/**
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* @param Visitor $visitor
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*/
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public function visit(Visitor $visitor)
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{
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$visitor->acceptSchema($this);
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foreach ($this->_tables AS $table) {
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$table->visit($visitor);
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}
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foreach ($this->_sequences AS $sequence) {
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$sequence->visit($visitor);
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}
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}
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}
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