??????flink sql count????

[zya]

??????????????????????????????????????sum??????????????????????mysql??????????????
 




------------------ ???????? ------------------
??????:                                                                         
                                               "user-zh"                        
                                                            
<greemqq...@163.com&gt;;
????????:&nbsp;2020??9??27??(??????) ????4:59
??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;;

????:&nbsp;Re:flink sql count????



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