use accounting; ALTER TABLE cdr drop primary key, add index id_stime_idx (id, start_time); ALTER TABLE cdr_cash_balance_data drop primary key, add index cdr_id_idx (cdr_id, provider_id, direction_id, cash_balance_id, cdr_start_time); ALTER TABLE cdr_time_balance_data drop primary key, add index cdr_id_idx (cdr_id, provider_id, direction_id, time_balance_id, cdr_start_time); ALTER TABLE cdr_relation_data drop primary key, add index cdr_id_idx (cdr_id, provider_id, direction_id, relation_id, cdr_start_time); ALTER TABLE cdr_tag_data drop primary key, add index cdr_id_idx (cdr_id, provider_id, direction_id, tag_id, cdr_start_time);