JiajunBernoulli commented on code in PR #3641:
URL: https://github.com/apache/calcite/pull/3641#discussion_r1482348351
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core/src/main/java/org/apache/calcite/tools/RelBuilder.java:
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@@ -2525,6 +2529,29 @@ private RelBuilder aggregate_(GroupKeyImpl groupKey,
return project(projects.transform((i, name) -> aliasMaybe(field(i),
name)));
}
+ /**
+ * Removed redundant distinct if an input is already unique.
Review Comment:
Renamed to `removeRedundantAggregateDistinct`.
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