Source of file DropSchemaSqlCollector.php
Size: 4,105 Bytes - Last Modified: 2013-05-11T09:45:37+02:00
/home/theseer/Downloads/Symfony/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Visitor/DropSchemaSqlCollector.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161 | <?php /* * $Id$ * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This software consists of voluntary contributions made by many individuals * and is licensed under the MIT license. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\DBAL\Schema\Visitor; use Doctrine\DBAL\Platforms\AbstractPlatform, Doctrine\DBAL\Schema\Table, Doctrine\DBAL\Schema\Schema, Doctrine\DBAL\Schema\Column, Doctrine\DBAL\Schema\ForeignKeyConstraint, Doctrine\DBAL\Schema\Constraint, Doctrine\DBAL\Schema\Sequence, Doctrine\DBAL\Schema\SchemaException, Doctrine\DBAL\Schema\Index; /** * Gather SQL statements that allow to completly drop the current schema. * * * @link www.doctrine-project.org * @since 2.0 * @author Benjamin Eberlei <kontakt@beberlei.de> */ class DropSchemaSqlCollector implements Visitor { /** * @var \SplObjectStorage */ private $constraints; /** * @var \SplObjectStorage */ private $sequences; /** * @var \SplObjectStorage */ private $tables; /** * * @var \Doctrine\DBAL\Platforms\AbstractPlatform */ private $platform; /** * @param AbstractPlatform $platform */ public function __construct(AbstractPlatform $platform) { $this->platform = $platform; $this->clearQueries(); } /** * @param Schema $schema */ public function acceptSchema(Schema $schema) { } /** * @param Table $table */ public function acceptTable(Table $table) { $this->tables->attach($table); } /** * @param Column $column */ public function acceptColumn(Table $table, Column $column) { } /** * @param Table $localTable * @param ForeignKeyConstraint $fkConstraint */ public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint) { if (strlen($fkConstraint->getName()) == 0) { throw SchemaException::namedForeignKeyRequired($localTable, $fkConstraint); } $this->constraints->attach($fkConstraint); $this->constraints[$fkConstraint] = $localTable; } /** * @param Table $table * @param Index $index */ public function acceptIndex(Table $table, Index $index) { } /** * @param Sequence $sequence */ public function acceptSequence(Sequence $sequence) { $this->sequences->attach($sequence); } /** * @return void */ public function clearQueries() { $this->constraints = new \SplObjectStorage(); $this->sequences = new \SplObjectStorage(); $this->tables = new \SplObjectStorage(); } /** * @return array */ public function getQueries() { $sql = array(); foreach ($this->constraints as $fkConstraint) { $localTable = $this->constraints[$fkConstraint]; $sql[] = $this->platform->getDropForeignKeySQL($fkConstraint, $localTable); } foreach ($this->sequences as $sequence) { $sql[] = $this->platform->getDropSequenceSQL($sequence); } foreach ($this->tables as $table) { $sql[] = $this->platform->getDropTableSQL($table); } return $sql; } } |