924060929 commented on code in PR #12163:
URL: https://github.com/apache/doris/pull/12163#discussion_r958399631
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/TimestampArithmeticExpr.java:
##########
@@ -86,6 +86,39 @@ public TimestampArithmeticExpr(ArithmeticExpr.Operator op,
Expr e1, Expr e2,
children.add(e2);
}
+ /**
+ * used for Nereids ONLY.
+ * C'tor for function-call like arithmetic, e.g., 'date_add(a, interval b
year)'.
Review Comment:
I suggest add the comment what the parameter value is.
e.g
```java
// C'tor for function-call like arithmetic, e.g., 'date_add(a, interval b
year)'
// which
// funcName: `date_add`
// e1: `a`
// e2: `b`
// timeUnitIdent: 'year'
// dataType: ???
```
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