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https://issues.apache.org/jira/browse/FLINK-11057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16708480#comment-16708480
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yuemeng commented on FLINK-11057:
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[~twalthr]
thanks for your reply,FLINK-10474 can resolve this issue
> where in grammar will cause stream inner join loigcal
> -----------------------------------------------------
>
> Key: FLINK-11057
> URL: https://issues.apache.org/jira/browse/FLINK-11057
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: yuemeng
> Priority: Critical
>
> {code:java}
> select action , count ( * ) as cnt from user_action where action in ( 'view'
> , 'impress' , 'sysaction' , 'commentimpress' , 'play' , 'click' , 'page' ,
> 'abtestreqsuss' , 'bannerimpress' , 'abtestserver' , 'active' , 'search' ,
> 'activeclient' , 'like' , 'zan' , 'adclick' , 'login' , 'comment' ,
> 'subscribeartist' , 'subscribevideo' , 'subscribedjradio' , 'share' ,
> 'private' , 'register' , 'downloadall' , 'forward' , 'newdj' ,
> 'recommendimpress' , 'hotkeywordimpress' , 'nogetad' , 'add' , 'subscribe' ,
> 'follow' , 'new' ) group by tumble ( proctime , interval '60' SECOND ) ,
> action
> {code}
> sql such as this will be cause a stream inner join logical.
> but if i reduce the element of parentheses，it can't cause the stream inner
> join logical
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