csun5285 commented on code in PR #51145:
URL: https://github.com/apache/doris/pull/51145#discussion_r2115042823
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/ArrayAvg.java:
##########
@@ -96,6 +98,16 @@ public ArrayAvg(Expression arg) {
// return signature;
// }
+ @Override
+ public void checkLegalityBeforeTypeCoercion() {
+ DataType argType = child().getDataType();
+ if (((ArrayType) argType).getItemType().isComplexType()
+ || ((ArrayType)
argType).getItemType().isStringType()) {
+ throw new AnalysisException(toSql() + " does not support type: "
Review Comment:
OK，Array_avg(array<string>) will be casted to Array_avg(array<double>)
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/ArrayAvg.java:
##########
@@ -96,6 +98,16 @@ public ArrayAvg(Expression arg) {
// return signature;
// }
+ @Override
+ public void checkLegalityBeforeTypeCoercion() {
+ DataType argType = child().getDataType();
+ if (((ArrayType) argType).getItemType().isComplexType()
+ || ((ArrayType)
argType).getItemType().isStringType()) {
+ throw new AnalysisException(toSql() + " does not support type: "
Review Comment:
OK，`Array_avg(array<string>)` will be casted to `Array_avg(array<double>)`
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