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https://issues.apache.org/jira/browse/CALCITE-3285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031687#comment-17031687
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Vladimir Sitnikov commented on CALCITE-3285:
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The API you add does not leave room for efficient implementation of \{{a.id >
b.id-10 and a.id<b.id+10}} merge join.
That is why I strongly disagree adding Predicate to MergeJoin implementation.
> EnumerableMergeJoin should support non-equi join conditions
> -----------------------------------------------------------
>
> Key: CALCITE-3285
> URL: https://issues.apache.org/jira/browse/CALCITE-3285
> Project: Calcite
> Issue Type: Improvement
> Reporter: Haisheng Yuan
> Assignee: Vladimir Sitnikov
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h
> Remaining Estimate: 0h
>
> Calcite should be able to generate EnumerableMergeJoin with non-equi join
> conditions, as long as there are equi-join conditions.
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