147 lines
3.7 KiB
PHP
147 lines
3.7 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.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema\Visitor;
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use Doctrine\DBAL\Platforms\AbstractPlatform,
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Doctrine\DBAL\Schema\Table,
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Doctrine\DBAL\Schema\Schema,
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Doctrine\DBAL\Schema\Column,
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Doctrine\DBAL\Schema\ForeignKeyConstraint,
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Doctrine\DBAL\Schema\Constraint,
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Doctrine\DBAL\Schema\Sequence,
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Doctrine\DBAL\Schema\Index;
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/**
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* Gather SQL statements that allow to completly drop the current 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 DropSchemaSqlCollector implements Visitor
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{
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/**
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* @var array
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*/
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private $_constraints = array();
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/**
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* @var array
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*/
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private $_sequences = array();
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/**
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* @var array
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*/
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private $_tables = array();
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/**
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*
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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private $_platform = null;
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/**
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* @param AbstractPlatform $platform
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*/
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public function __construct(AbstractPlatform $platform)
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{
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$this->_platform = $platform;
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}
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/**
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* @param Schema $schema
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*/
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public function acceptSchema(Schema $schema)
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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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public function acceptTable(Table $table)
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{
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$this->_tables[] = $this->_platform->getDropTableSql($table->getName());
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}
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/**
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* @param Column $column
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*/
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public function acceptColunn(Table $table, Column $column)
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{
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}
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/**
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* @param Table $localTable
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* @param ForeignKeyConstraint $fkConstraint
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*/
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public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint)
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{
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if (strlen($fkConstraint->getName()) == 0) {
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throw SchemaException::namedForeignKeyRequired($localTable, $fkConstraint);
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}
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$this->_constraints[] = $this->_platform->getDropForeignKeySql($fkConstraint->getName(), $localTable->getName());
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}
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/**
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* @param Table $table
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* @param Index $index
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*/
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public function acceptIndex(Table $table, Index $index)
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{
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}
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/**
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* @param Sequence $sequence
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*/
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public function acceptSequence(Sequence $sequence)
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{
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$this->_sequences[] = $this->_platform->getDropSequenceSql($sequence->getName());
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}
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/**
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* @return array
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*/
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public function clearQueries()
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{
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$this->_constraints = $this->_sequences = $this->_tables = array();
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}
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/**
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* @return array
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*/
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public function getQueries()
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{
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return array_merge(
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$this->_constraints,
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$this->_sequences,
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$this->_tables
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);
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}
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}
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