t.id as id, t.tch_id as tchId, t.tch_file as tchFile, t.create_time as createTime t.tch_id = #{tchId} AND t.tch_file = #{tchFile} AND t.create_time = #{createTime} AND select from t_tch_files t where t.id=#{id} select version from t_tch_files where id=#{id} SELECT from t_tch_files t order by create_time SELECT from t_tch_files t insert into t_tch_files id, tch_id, tch_file, create_time, #{id}, #{tchId}, #{tchFile}, #{createTime}, update t_tch_files tch_id=#{tchId}, tch_file=#{tchFile}, create_time=#{createTime}, where id=#{id} update t_tch_files SET is_use = 0 where id=#{id} delete from t_tch_files where id=#{id} delete from t_tch_files where tch_id=#{tchId}