rubenada commented on code in PR #6615:
URL: https://github.com/apache/hive/pull/6615#discussion_r3613483907
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveRelFieldTrimmer.java:
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@@ -545,7 +476,7 @@ private ImmutableBitSet generateNewGroupset(Aggregate
aggregate, ImmutableBitSet
*
* This is mainly done so that hive is able to push down queries with
* group by 'constant key with type not supported by druid' into druid.
- *
+ * TODO: If relevant only for Druid the review for removal
Review Comment:
This method was impacted (and needed to be fixed) on the WIP PR for Calcite
upgrade, so I guess this is not relevant for Druid only?
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