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https://issues.apache.org/jira/browse/CALCITE-3171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Danny Chan reassigned CALCITE-3171:
-----------------------------------
Assignee: Danny Chan
> SemiJoin on conditions push down throws IndexOutOfBoundsException
> -----------------------------------------------------------------
>
> Key: CALCITE-3171
> URL: https://issues.apache.org/jira/browse/CALCITE-3171
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.19.0
> Reporter: godfrey he
> Assignee: Danny Chan
> Priority: Major
>
> the following code in RelOptUtil#pushDownJoinConditions only does not
> consider SEMI/ANTI join
> {code:java}
> if (!extraLeftExprs.isEmpty() || !extraRightExprs.isEmpty()) {
> Mappings.TargetMapping mapping =
> Mappings.createShiftMapping(
> leftCount + extraLeftExprs.size()
> + rightCount + extraRightExprs.size(),
> 0, 0, leftCount,
> leftCount, leftCount + extraLeftExprs.size(), rightCount);
> relBuilder.project(relBuilder.fields(mapping.inverse()));
> }
> {code}
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