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https://issues.apache.org/jira/browse/CALCITE-3284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914001#comment-16914001
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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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