zhiqiang-hhhh commented on code in PR #32746:
URL: https://github.com/apache/doris/pull/32746#discussion_r1546155094
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/FunctionCallExpr.java:
##########
@@ -136,6 +136,34 @@ public class FunctionCallExpr extends Expr {
return returnType;
}
};
+
+ java.util.function.BiFunction<ArrayList<Expr>, Type, Type>
truncateRule = (children, returnType) -> {
+ Preconditions.checkArgument(children != null && children.size() >
0);
+ if (children.size() == 1 &&
children.get(0).getType().isDecimalV3()) {
+ return
ScalarType.createDecimalV3Type(children.get(0).getType().getPrecision(), 0);
+ } else if (children.size() == 2) {
+ Expr scaleExpr = children.get(1);
+ if (scaleExpr instanceof IntLiteral
+ || (scaleExpr instanceof CastExpr &&
scaleExpr.getChild(0) instanceof IntLiteral)) {
Review Comment:
For expr whose result is constexpr, we will go to branch in L146.
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