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https://issues.apache.org/jira/browse/CALCITE-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16878126#comment-16878126
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Julian Hyde commented on CALCITE-3169:
--------------------------------------
Can you change the description to something meaningful to the end-user? You've
described the code change, not the problem.
> decorrelateRel method should return when meeting SEMI/ANTI join in
> RelDecorrelator
> ----------------------------------------------------------------------------------
>
> Key: CALCITE-3169
> URL: https://issues.apache.org/jira/browse/CALCITE-3169
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.20.0
> Reporter: godfrey he
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.21.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {code:java}
> /**
> * Rewrite LogicalJoin.
> *
> * @param rel Join
> */
> public Frame decorrelateRel(LogicalJoin rel) {
> // For SEMI/ANTI join decorrelate it's input directly,
> // because the correlate variables can only be propagated from
> // the left side, which is not supported yet.
> if (!rel.getJoinType().projectsRight()) {
> decorrelateRel((RelNode) rel);
> }
> ...
> {code}
> {{return}} is missing before {{decorrelateRel((RelNode) rel);}}
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