mihaibudiu commented on code in PR #4678:
URL: https://github.com/apache/calcite/pull/4678#discussion_r2616462473
##########
core/src/main/java/org/apache/calcite/adapter/enumerable/EnumerableHashJoin.java:
##########
@@ -218,8 +218,10 @@ private Result
implementHashSemiJoin(EnumerableRelImplementor implementor, Prefe
Expressions.list(
leftExpression,
rightExpression,
-
leftResult.physType.generateAccessorWithoutNulls(joinInfo.leftKeys),
-
rightResult.physType.generateAccessorWithoutNulls(joinInfo.rightKeys),
+ leftResult.physType.generateNullAwareAccessor(
Review Comment:
I was hoping your change would solve it, but if it doesn't it means it's a
bug somewhere else. Maybe there is even an issue for it. I don't think it's
type inference in the validator, it must be something wrong later, in the
conversion to enumerable, as you describe.
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