app/DoctrineMigrations/Version20161001072726.php

   1 <?php
   2
   3 namespace Application\Migrations;
   4
   5 use Doctrine\DBAL\Migrations\AbstractMigration;
   6 use Doctrine\DBAL\Schema\Schema;
   7 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
   8 use Symfony\Component\DependencyInjection\ContainerInterface;
   9
  10 class Version20161001072726 extends AbstractMigration implements ContainerAwareInterface
  11 {
  12     /**
  13      * @var ContainerInterface
  14      */
  15     private $container;
  16
  17     public function setContainer(ContainerInterface $container = null)
  18     {
  19         $this->container = $container;
  20     }
  21
  22     private function getTable($tableName)
  23     {
  24         return $this->container->getParameter('database_table_prefix') . $tableName;
  25     }
  26
  27     /**
  28      * @param Schema $schema
  29      */
  30     public function up(Schema $schema)
  31     {
  32         $this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
  33
  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()."'");
  36         $query->execute();
  37
  38         foreach ($query->fetchAll() as $fk) {
  39             $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
  40         }
  41
  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');
  44
  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()."'");
  47         $query->execute();
  48
  49         foreach ($query->fetchAll() as $fk) {
  50             $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
  51         }
  52
  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');
  54     }
  55
  56     /**
  57      * @param Schema $schema
  58      */
  59     public function down(Schema $schema)
  60     {
  61         throw new SkipMigrationException('Too complex ...');
  62     }
  63 }