Created
March 21, 2014 17:14
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Enable/Disable foreign_key_checks for MySQL in doctrine migrations
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| <?php | |
| /** | |
| * Created by PhpStorm. | |
| * User: morontt | |
| * Date: 21.03.14 | |
| * Time: 19:08 | |
| */ | |
| namespace Application\Migrations; | |
| use Doctrine\DBAL\Migrations\AbstractMigration; | |
| use Doctrine\DBAL\Platforms\MySqlPlatform; | |
| use Doctrine\DBAL\Schema\Schema; | |
| /** | |
| * Auto-generated Migration | |
| */ | |
| class Version20140321190821 extends AbstractMigration | |
| { | |
| /** | |
| * @param Schema $schema | |
| */ | |
| public function preUp(Schema $schema) | |
| { | |
| parent::preUp($schema); | |
| $this->setForeignKeyChecks(false); | |
| } | |
| /** | |
| * @param Schema $schema | |
| */ | |
| public function postUp(Schema $schema) | |
| { | |
| parent::postUp($schema); | |
| $this->setForeignKeyChecks(true); | |
| } | |
| /** | |
| * @param Schema $schema | |
| */ | |
| public function preDown(Schema $schema) | |
| { | |
| parent::preDown($schema); | |
| $this->setForeignKeyChecks(false); | |
| } | |
| /** | |
| * @param Schema $schema | |
| */ | |
| public function postDown(Schema $schema) | |
| { | |
| parent::postDown($schema); | |
| $this->setForeignKeyChecks(true); | |
| } | |
| public function up(Schema $schema) | |
| { | |
| $this->abortIf( | |
| $this->connection->getDatabasePlatform()->getName() != "mysql", | |
| "Migration can only be executed safely on 'mysql'." | |
| ); | |
| $this->addSql("ALTER TABLE super_puper DROP hyper_id"); | |
| } | |
| public function down(Schema $schema) | |
| { | |
| $this->abortIf( | |
| $this->connection->getDatabasePlatform()->getName() != "mysql", | |
| "Migration can only be executed safely on 'mysql'." | |
| ); | |
| $this->addSql("ALTER TABLE super_puper ADD hyper_id INT UNSIGNED NOT NULL"); | |
| } | |
| /** | |
| * @param boolean $enabled | |
| */ | |
| protected function setForeignKeyChecks($enabled) | |
| { | |
| $connection = $this->connection; | |
| $platform = $connection->getDatabasePlatform(); | |
| if ($platform instanceof MySqlPlatform) { | |
| $connection->exec(sprintf('SET foreign_key_checks = %s;', (int)$enabled)); | |
| } | |
| } | |
| } |
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