asolimando commented on code in PR #3588:
URL: https://github.com/apache/hive/pull/3588#discussion_r977590776
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveRelFieldTrimmer.java:
##########
@@ -717,9 +719,12 @@ public TrimResult trimFields(Aggregate aggregate,
ImmutableBitSet fieldsUsed, Se
final RexNode filterArg = aggCall.filterArg < 0 ? null
: relBuilder.field(Mappings.apply(inputMapping,
aggCall.filterArg));
RelBuilder.AggCall newAggCall =
- relBuilder.aggregateCall(aggCall.getAggregation(),
- aggCall.isDistinct(), aggCall.isApproximate(),
- filterArg, aggCall.name, args);
+ relBuilder.aggregateCall(aggCall.getAggregation(), args)
+ .distinct(aggCall.isDistinct())
+ .filter(filterArg)
+ .approximate(aggCall.isApproximate())
+ .sort(relBuilder.fields(aggCall.collation))
+ .as(aggCall.name);
Review Comment:
Thanks @kasakrisz, I had that impression but it sounded weird that we did
not handle collation before, but now it's clear why.
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