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https://issues.apache.org/jira/browse/CALCITE-2621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis resolved CALCITE-2621.
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Resolution: Fixed
Fix Version/s: 1.19.0
Fixed in
[62d933c769b4af19d82d2266cfe94804eae1544c|https://github.com/apache/calcite/commit/62d933c769b4af19d82d2266cfe94804eae1544c].
Thanks for the PR [~rubenql]!
> Add rule to execute semi joins with correlation
> -----------------------------------------------
>
> Key: CALCITE-2621
> URL: https://issues.apache.org/jira/browse/CALCITE-2621
> Project: Calcite
> Issue Type: Improvement
> Reporter: Ruben Quesada Lopez
> Assignee: Ruben Quesada Lopez
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Similarly to JoinToCorrelateRule, in some contexts it might be interesting to
> transform a SemiJoin into a LogicalCorrelate, for this purpose a
> SemiJoinToCorrelateRule will be needed.
> This feature requires the fix CALCITE-2605, otherwise we would get an
> exception in EnumerableCorrelate#implement when trying to generate the
> Expression selector:
> {code}
> Caused by: java.lang.IllegalStateException: Unable to convert SEMI to
> JoinRelType
> at org.apache.calcite.sql.SemiJoinType.toJoinType(SemiJoinType.java:83)
> at
> org.apache.calcite.adapter.enumerable.EnumerableCorrelate.implement(EnumerableCorrelate.java:103)
> ...
> {code}
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