LiBinfeng-01 commented on code in PR #43410:
URL: https://github.com/apache/doris/pull/43410#discussion_r1832312927
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnBE.java:
##########
@@ -486,9 +486,27 @@ public static List<Literal> getResultExpression(DataType
type, PValues resultCon
}
} else if (type.isStringLikeType()) {
int num = resultContent.getStringValueCount();
- for (int i = 0; i < num; ++i) {
- Literal literal = new
StringLiteral(resultContent.getStringValue(i));
- res.add(literal);
+
+ if (num > 0) {
Review Comment:
pls explain why num > 0 cause different way of dealing with string values
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