id, gastype, warntype, max, min, gasunit, updatetime, updateby select * from gaswarn 1=1 and gastype = #{condition.gastype} and warntype = #{condition.warntype} select * from gaswarn where gastype = #{gastype} and warntype = #{warntype} and id != #{id} select * from gaswarn where gastype = #{gastype} and warntype = #{warntype}