You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@calcite.apache.org by "Wang Yanlin (Jira)" <ji...@apache.org> on 2019/09/19 06:54:00 UTC

[jira] [Commented] (CALCITE-3363) JoinUnionTransposeRule.RIGHT_UNION should not match ANTI Join

    [ https://issues.apache.org/jira/browse/CALCITE-3363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933107#comment-16933107 ] 

Wang Yanlin commented on CALCITE-3363:
--------------------------------------

OK, I see.
for  *A anti join (B union C)* is not equals to *(A anti join B) union (A anti join C)*

> JoinUnionTransposeRule.RIGHT_UNION should not match ANTI Join
> -------------------------------------------------------------
>
>                 Key: CALCITE-3363
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3363
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: jin xing
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> JoinUnionTransposeRule works by pull up union from below to top of join. Thus it should not match anti join by semantics.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)