morrySnow commented on code in PR #63888:
URL: https://github.com/apache/doris/pull/63888#discussion_r3331691282
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Count.java:
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@@ -92,7 +92,7 @@ public void checkLegalityBeforeTypeCoercion() {
public void checkLegalityAfterRewrite() {
// after rewrite, count(distinct bitmap_column) should be rewritten to
bitmap_union_count(bitmap_column)
for (Expression argument : getArguments()) {
- if (distinct && (argument.getDataType().isComplexType()
+ if (distinct && ((argument.getDataType().isComplexType() &&
!argument.getDataType().isArrayType())
Review Comment:
1. 是 group by 支持array了 ？还是 multi_count_distinct 支持了？还是都支持了？
2. 是所有嵌套子类型的 array 都支持了？还是子类型依然有限制？
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