gianm commented on issue #10072:
URL: https://github.com/apache/druid/issues/10072#issuecomment-652550179
It's possible both cases (nullable and non-nullable) would be covered by
existing tests, but if not, please add enough tests to cover both to
CalciteQueryTest.
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gianm commented on issue #10072:
URL: https://github.com/apache/druid/issues/10072#issuecomment-652548762
Hi @damnMeddlingKid,
Looks like this is a bug and you got the right fix. The logic is similar to
what's in CountSqlAggregator already, so I'd suggest extracting it to a helper
f
