godfrey he created CALCITE-3171:
-----------------------------------
Summary: RelOptUtil#pushDownJoinConditions should handle SEMI/ANTI
join specially about project shift mapping
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
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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