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https://issues.apache.org/jira/browse/CALCITE-2954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16803545#comment-16803545
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Haisheng Yuan commented on CALCITE-2954:
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Will take a look.
> SubQueryJoinRemoveRule and SubQueryProjectRemoveRule passing on empty set
> instead of set of correlation id
> ----------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-2954
> URL: https://issues.apache.org/jira/browse/CALCITE-2954
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Labels: pull-request-available, sub-query
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Call to {{apply}} takes set of {{CorrelationId}} but both
> {{SubQueryJoinRemoveRule}} and {{SubQueryProjectRemoveRule}} are passing
> empty set for whatever reason.
> I believe the correct thing to do here is to pass on the actual set of
> {{CorrelationId}} like {{SubQueryFilterRemoveRule}}
> Ref:
> {code:java}
> final RexNode target = apply(e, ImmutableSet.of(),
> logic, builder, 2, fieldCount);
> {code}
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