protected function _process( array $stmts )
	{
		$this->_msg( 'Changing PRIMARY KEYS for locale', 0 ); $this->_status( '' );

		$search = '
			SELECT COUNT(INDEX_NAME) "counter" FROM
			INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA = DATABASE()
			AND TABLE_NAME = \'%1$s\' AND INDEX_NAME = \'PRIMARY\'
			AND COLUMN_NAME IN(\'id\', \'siteid\')
		';

		foreach( $stmts as $table => $stmt )
		{
			$this->_msg( sprintf( 'Checking table "%1$s" for PRIMARY": ', $table ), 1 );
			$counter = $this->_getValue( sprintf( $search, $table ), 'counter' );

			if( $counter == 2 )
			{
				$this->_execute( $stmt );
				$this->_status( 'changed' );
			}
			else
			{
				$this->_status( 'OK' );
			}
		}
	}