rubenada commented on code in PR #4077:
URL: https://github.com/apache/calcite/pull/4077#discussion_r1871622832
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core/src/main/java/org/apache/calcite/sql2rel/RelFieldTrimmer.java:
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@@ -1336,6 +1338,144 @@ public TrimResult trimFields(
return result(newSnapshot, inputMapping, snapshot);
}
+ /**
+ * Trims {@link LogicalCorrelate} nodes.
+ */
+ public TrimResult trimFields(LogicalCorrelate correlate,
+ ImmutableBitSet fieldsUsed, Set<RelDataTypeField> extraFields) {
+ if (!extraFields.isEmpty() || correlate.getInputs().size() != 2) {
Review Comment:
Correlate is a BiRel, so the condition `correlate.getInputs().size() != 2`
seems unnecessary.
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