3 namespace Application\Migrations
;
5 use Doctrine\DBAL\Migrations\AbstractMigration
;
6 use Doctrine\DBAL\Schema\Schema
;
7 use Symfony\Component\DependencyInjection\ContainerAwareInterface
;
8 use Symfony\Component\DependencyInjection\ContainerInterface
;
10 class Version20161001072726
extends AbstractMigration
implements ContainerAwareInterface
13 * @var ContainerInterface
17 public function setContainer(ContainerInterface
$container = null)
19 $this->container
= $container;
22 private function getTable($tableName)
24 return $this->container
->getParameter('database_table_prefix').$tableName;
28 * @param Schema $schema
30 public function up(Schema
$schema)
32 $this->skipIf($this->connection
->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
34 // remove all FK from entry_tag
35 $query = $this->connection
->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('entry_tag')."' AND CONSTRAINT_NAME LIKE 'FK_%' AND TABLE_SCHEMA = '".$this->connection
->getDatabase()."'");
38 foreach ($query->fetchAll() as $fk) {
39 $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
42 $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
43 $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_tag FOREIGN KEY (tag_id) REFERENCES '.$this->getTable('tag').' (id) ON DELETE CASCADE');
45 // remove entry FK from annotation
46 $query = $this->connection
->query("SELECT CONSTRAINT_NAME FROM information_schema.key_column_usage WHERE TABLE_NAME = '".$this->getTable('annotation')."' AND CONSTRAINT_NAME LIKE 'FK_%' and COLUMN_NAME = 'entry_id' AND TABLE_SCHEMA = '".$this->connection
->getDatabase()."'");
49 foreach ($query->fetchAll() as $fk) {
50 $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
53 $this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_annotation_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
57 * @param Schema $schema
59 public function down(Schema
$schema)
61 throw new SkipMigrationException('Too complex ...');