morrySnow commented on code in PR #18423:
URL: https://github.com/apache/doris/pull/18423#discussion_r1160435287
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/implementation/AggregateStrategies.java:
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@@ -734,24 +734,24 @@ inputToBufferParam, maybeUsingStreamAgg(connectContext,
logicalAgg),
*
* after:
*
- * single node aggregate:
+ * anyLocalGatherGlobalAgg:
Review Comment:
the first agg must after distribution. our normal count function do not have
the ability of distinct. the distinct complished by group by [name, id]. so we
must shuffle all tuples with same name into one partition, and then do group by
[name, id] to get unique id list of same name.
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