OIiveirra commented on code in PR #69032:
URL: https://github.com/apache/doris/pull/69032#discussion_r4430880768
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Ndv.java:
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@@ -63,6 +63,10 @@ private Ndv(AggregateFunctionParams functionParams) {
@Override
public void checkLegalityBeforeTypeCoercion() {
+ // The BE kernel has no spatial value-state dispatch; fail before
casts hide the input type.
+ if (getArgumentType(0).isSpatialType()) {
Review Comment:
The existing isOnlyMetricType() check already rejects Array/Map/Struct
before coercion, including the state entry points. Added actual
analyze/rewrite, declared-state and Iceberg scan regressions confirming
rejection. NDV production code is unchanged.
Commit:
[ec7c88263491](https://github.com/apache/doris/commit/ec7c88263491d67470584e7e361330567c730b65).
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