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https://issues.apache.org/jira/browse/CALCITE-6960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Budiu resolved CALCITE-6960.
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Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/fa502eda26f28b1a030c94a26c736d06d67cf33e
Thank you for the contribution [~jensen]
> The tests for SemiJoinRemoveRule should explicitly include a semi join
> ----------------------------------------------------------------------
>
> Key: CALCITE-6960
> URL: https://issues.apache.org/jira/browse/CALCITE-6960
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.39.0
> Reporter: Zhen Chen
> Assignee: Zhen Chen
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.40.0
>
>
> current before plan
> {code:java}
> LogicalProject(ENAME=[$1])
> LogicalFilter(condition=[=($7, $9)])
> LogicalJoin(condition=[true], joinType=[inner])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalTableScan(table=[[CATALOG, SALES, DEPT]]){code}
> but need use withPreRule to convert to
> {code:java}
> LogicalProject(ENAME=[$1])
> LogicalJoin(condition=[=($7, $9)], joinType=[inner], semiJoinDone=[true])
> LogicalJoin(condition=[=($7, $9)], joinType=[semi])
> LogicalTableScan(table=[[CATALOG, SALES, EMP]])
> LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
> LogicalTableScan(table=[[CATALOG, SALES, DEPT]]){code}
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