englefly commented on code in PR #12169:
URL: https://github.com/apache/doris/pull/12169#discussion_r957949646
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/Sum.java:
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@@ -49,6 +50,9 @@ public DataType getDataType() {
DataType dataType = child().getDataType();
if (dataType instanceof LargeIntType) {
return dataType;
+ } else if (dataType instanceof DecimalType) {
Review Comment:
Why original code returns Double Type? It seems that it throws Exception.
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