execute('SET unique_checks=0; SET foreign_key_checks=0;'); $this->execute("ALTER DATABASE CHARACTER SET 'utf8mb4';"); $this->execute("ALTER DATABASE COLLATE='utf8mb4_general_ci';"); $this->table('registry_data') ->addColumn('registry', 'integer', ['length' => 10, 'null' => false, 'signed' => false]) ->addColumn('column', 'string', ['length' => 50, 'null' => false]) ->addColumn('old', 'string', ['length' => 255, 'null' => false]) ->addColumn('new', 'string', ['length' => 255, 'null' => false]) ->addForeignKey('registry', 'registries', 'id', ['delete' => 'cascade', 'update' => 'cascade']) ->create(); $this->execute('SET unique_checks=1; SET foreign_key_checks=1;'); } }