????????????????????????
------------------ ???????? ------------------
??????:
"user-zh"
<[email protected]>;
????????: 2020??9??27??(??????) ????5:03
??????: "user-zh"<[email protected]>;
????: Re:??????flink sql count????
??count ???????????????? ???????????? ?? ???? having xxx
,????????filter
?? 2020-09-27 17:01:06??"zya" <[email protected]> ??????
>??????????????????????????????????????sum??????????????????????mysql??????????????
>&nbsp;
>
>
>
>
>------------------&nbsp;????????&nbsp;------------------
>??????:
"user-zh"
<[email protected]&gt;;
>????????:&nbsp;2020??9??27??(??????) ????4:59
>??????:&nbsp;"user-zh"<[email protected]&gt;;
>
>????:&nbsp;Re:flink sql count????
>
>
>
>??????null ????0??&nbsp; ??????&nbsp;&nbsp; sum(if(name like
'????%',1 , 0))
>?? 2020-09-27 16:53:56??"zya" <[email protected]&gt; ??????
>&gt;??????????
>&gt;????????sql????????????count????count????????????????????count????????????????
>&gt;??????hive??????????????count(if(name like '????%',1 ,
null))??????flink sql??count??????null????????????????????????????????
>&gt;????????flink1.10.1 blink
>&gt;&amp;nbsp;