################# Query Builder API ################# .. note:: This page provides a complete API reference for the Query Builder class. For information on how to use the class, see the `Query Builder Class `_ page. *************** Class Reference *************** .. class:: CI_DB_query_builder .. method:: count_all_results($table = '') :param string $table: Table name to query :returns: Number of rows in the query result :rtype: int Generates a platform-specific query string that counts all records returned by an Query Builder query.