rubenada commented on a change in pull request #2349:
URL: https://github.com/apache/calcite/pull/2349#discussion_r578224452
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File path: core/src/main/java/org/apache/calcite/plan/RelOptUtil.java
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@@ -2810,19 +2810,14 @@ public static boolean classifyFilters(
List<RexNode> rightFilters) {
RexBuilder rexBuilder = joinRel.getCluster().getRexBuilder();
List<RelDataTypeField> joinFields = joinRel.getRowType().getFieldList();
- final int nTotalFields = joinFields.size();
final int nSysFields = 0; // joinRel.getSystemFieldList().size();
final List<RelDataTypeField> leftFields =
joinRel.getInputs().get(0).getRowType().getFieldList();
final int nFieldsLeft = leftFields.size();
final List<RelDataTypeField> rightFields =
joinRel.getInputs().get(1).getRowType().getFieldList();
final int nFieldsRight = rightFields.size();
-
- // SemiJoin, CorrelateSemiJoin, CorrelateAntiJoin: right fields are not
returned
- assert nTotalFields == (!joinType.projectsRight()
- ? nSysFields + nFieldsLeft
- : nSysFields + nFieldsLeft + nFieldsRight);
+ final int nTotalFields = nFieldsLeft + nFieldsRight;
Review comment:
I agree with @zabetak , I think in case of ANTI the current logic should
not be modified.
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