zstan commented on code in PR #4328:
URL: https://github.com/apache/calcite/pull/4328#discussion_r2073642318
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core/src/main/java/org/apache/calcite/rel/rules/SubQueryRemoveRule.java:
##########
@@ -910,6 +910,24 @@ private static void matchJoin(SubQueryRemoveRule rule,
RelOptRuleCall call) {
int nFieldsLeft = join.getLeft().getRowType().getFieldCount();
int nFieldsRight = join.getRight().getRowType().getFieldCount();
+ // Correlation columns are also should be considered.
Review Comment:
done
##########
core/src/main/java/org/apache/calcite/plan/RelOptUtil.java:
##########
@@ -4552,6 +4552,37 @@ private void acceptFields(final List<RelDataTypeField>
fields) {
}
}
+ /** Extension of {@link RelOptUtil.InputFinder} with subquery lookup. */
Review Comment:
done
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