original_string: protected function before() {
  		if($this->connection->getDatabasePlatform() instanceof SQLServerPlatform) {
  			$this->connection->executeUpdate('EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"');
  		} else if($this->connection->getDatabasePlatform() instanceof MySqlPlatform) {
  			$this->connection->executeUpdate('SET FOREIGN_KEY_CHECKS=0');
  		} else if($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
  			$this->connection->executeUpdate('PRAGMA foreign_keys = OFF');
  		}
  	}
code: protected function before() {
  		if($this->connection->getDatabasePlatform() instanceof SQLServerPlatform) {
  			$this->connection->executeUpdate('EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"');
  		} else if($this->connection->getDatabasePlatform() instanceof MySqlPlatform) {
  			$this->connection->executeUpdate('SET FOREIGN_KEY_CHECKS=0');
  		} else if($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
  			$this->connection->executeUpdate('PRAGMA foreign_keys = OFF');
  		}
  	}
code_tokens: protected function before ( ) { if ( $ this -> connection -> getDatabasePlatform ( ) instanceof SQLServerPlatform ) { $ this -> connection -> executeUpdate ( 'EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"' ) ; } else if ( $ this -> connection -> getDatabasePlatform ( ) instanceof MySqlPlatform ) { $ this -> connection -> executeUpdate ( 'SET FOREIGN_KEY_CHECKS=0' ) ; } else if ( $ this -> connection -> getDatabasePlatform ( ) instanceof SqlitePlatform ) { $ this -> connection -> executeUpdate ( 'PRAGMA foreign_keys = OFF' ) ; } }
docstring: Executed before the import is started
docstring_tokens: Executed before the import is started