begin; drop table if exists oplog_entry cascade; drop trigger if exists update_oplog_entry_update_time on oplog_entry; drop trigger if exists update_oplog_entry_create_time on oplog_entry; drop table if exists oplog_ticket cascade; drop trigger if exists update_oplog_ticket_update_time on oplog_ticket; drop trigger if exists update_oplog_ticket_create_time on oplog_ticket; drop table if exists oplog_metadata cascade; drop trigger if exists update_oplog_metadata_update_time on oplog_metadata; drop trigger if exists update_oplog_metadata_create_time on oplog_metadata; commit;