starocean999 commented on code in PR #65846:
URL: https://github.com/apache/doris/pull/65846#discussion_r3627970535
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/SetPreAggStatus.java:
##########
@@ -326,7 +326,7 @@ private PreAggStatus
checkAggregateFunctions(Set<AggregateFunction> aggregateFun
}
PreAggStatus preAggStatus = PreAggStatus.on();
for (AggregateFunction aggFunc : aggregateFuncs) {
- if (aggFunc.children().isEmpty()) {
+ if (aggFunc.children().isEmpty() || aggFunc.children().size()
> 1) {
Review Comment:
don't support for all-key multi-column DISTINCT
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