record_time >= '${dDate}+' '+${beginTime}'怎么写正确
record_time >= '${dDate+beginTime}'
或者
record_time >= '${CONCATENATE(dDate," ",beginTime})'
改成这样试试
record_time >='${dDate}'+' '+'${beginTime}'
and record_time<='${dDate}'+' '+'${endTime}'