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Posted to issues@calcite.apache.org by "Ruben Quesada Lopez (Jira)" <ji...@apache.org> on 2019/08/23 07:08:00 UTC
[jira] [Commented] (CALCITE-3284) Enumerable hash semijoin /
antijoin support non-equi join conditions
[ https://issues.apache.org/jira/browse/CALCITE-3284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914001#comment-16914001 ]
Ruben Quesada Lopez commented on CALCITE-3284:
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[~hyuan] thanks for creating the ticket. I have slightly modified its title and description to not forget about the antijoin (a.k.a. antisemijoin) case.
> Enumerable hash semijoin / antijoin support non-equi join conditions
> --------------------------------------------------------------------
>
> Key: CALCITE-3284
> URL: https://issues.apache.org/jira/browse/CALCITE-3284
> Project: Calcite
> Issue Type: Improvement
> Reporter: Haisheng Yuan
> Priority: Major
>
> Calcite should be able to generate enumerable hash semijoin / antijoin with non-equi join conditions, as long as there are equi-join condtions, so that we can do hash look up.
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