morrySnow commented on code in PR #20976:
URL: https://github.com/apache/doris/pull/20976#discussion_r1234183480
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fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/SupportJavaDateFormatter.java:
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@@ -75,11 +75,11 @@ private Expression translateJavaFormatter(Expression
formatterExpr) {
Literal literal = (Literal) formatterExpr;
String originFormatter = literal.getStringValue();
if (originFormatter.equals("yyyyMMdd")) {
- return new StringLiteral("%Y%m%d");
+ return new VarcharLiteral("%Y%m%d");
} else if (originFormatter.equals("yyyy-MM-dd")) {
- return new StringLiteral("%Y-%m-%d");
+ return new VarcharLiteral("%Y-%m-%d");
} else if (originFormatter.equals("yyyy-MM-dd HH:mm:ss")) {
- return new StringLiteral("%Y-%m-%d %H:%i:%s");
+ return new VarcharLiteral("%Y-%m-%d %H:%i:%s");
Review Comment:
why change string to varchar will lead to success canstand folding?
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