vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

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<?php
/*
 * 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\Platforms;

use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Schema\Identifier;
use Doctrine\DBAL\Types;
use Doctrine\DBAL\Schema\Constraint;
use Doctrine\DBAL\Schema\Sequence;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;
use Doctrine\DBAL\Schema\TableDiff;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\ColumnDiff;
use Doctrine\DBAL\Types\Type;
use Doctrine\DBAL\Events;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\Event\SchemaCreateTableEventArgs;
use Doctrine\DBAL\Event\SchemaCreateTableColumnEventArgs;
use Doctrine\DBAL\Event\SchemaDropTableEventArgs;
use Doctrine\DBAL\Event\SchemaAlterTableEventArgs;
use Doctrine\DBAL\Event\SchemaAlterTableAddColumnEventArgs;
use Doctrine\DBAL\Event\SchemaAlterTableRemoveColumnEventArgs;
use Doctrine\DBAL\Event\SchemaAlterTableChangeColumnEventArgs;
use Doctrine\DBAL\Event\SchemaAlterTableRenameColumnEventArgs;

/**
 * Base class for all DatabasePlatforms. The DatabasePlatforms are the central
 * point of abstraction of platform-specific behaviors, features and SQL dialects.
 * They are a passive source of information.
 *
 * @link   www.doctrine-project.org
 * @since  2.0
 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author Jonathan Wage <jonwage@gmail.com>
 * @author Roman Borschel <roman@code-factory.org>
 * @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 * @todo   Remove any unnecessary methods.
 */
abstract class AbstractPlatform