mihaibudiu commented on code in PR #4298:
URL: https://github.com/apache/calcite/pull/4298#discussion_r2040253521
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core/src/main/java/org/apache/calcite/rel/rules/MinusToAntiJoinRule.java:
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@@ -74,10 +74,17 @@ protected MinusToAntiJoinRule(Config config) {
RelDataType leftFieldType =
left.getRowType().getFieldList().get(i).getType();
RelDataType rightFieldType =
right.getRowType().getFieldList().get(i).getType();
- conditions.add(
- relBuilder.isNotDistinctFrom(
- rexBuilder.makeInputRef(leftFieldType, i),
- rexBuilder.makeInputRef(rightFieldType, i + fieldCount)));
+ if (!leftFieldType.isNullable() && !rightFieldType.isNullable()) {
Review Comment:
it will work for scalar types as it is; you could check that
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