SteveYurongSu commented on a change in pull request #4453:
URL: https://github.com/apache/iotdb/pull/4453#discussion_r762852515
##########
File path:
server/src/main/java/org/apache/iotdb/db/query/expression/unary/NegationExpression.java
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@@ -61,7 +61,12 @@ public boolean isConstantOperandInternal() {
@Override
public boolean isTimeSeriesGeneratingFunctionExpression() {
- return true;
+ return !isUDAFExpression();
+ }
+
+ @Override
+ public boolean isUDAFExpression() {
Review comment:
```suggestion
public boolean isUserDefinedAggragationFunctionExpression() {
```
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