Re:flink sql count????

[Michael Ran]

??????null ????0??  ??????   sum(if(name like '????%',1 , 0))
?? 2020-09-27 16:53:56??"zya" <z_yu...@foxmail.com> ??????
>??????????
>????????sql????????????count????count????????????????????count????????????????
>??????hive??????????????count(if(name like '????%',1 , null))??????flink 
>sql??count??????null????????????????????????????????
>????????flink1.10.1 blink
>&nbsp;