xzj7019 commented on code in PR #44789:
URL: https://github.com/apache/doris/pull/44789#discussion_r1891079419
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/DateFormat.java:
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@@ -74,4 +82,30 @@ public List<FunctionSignature> getSignatures() {
public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
return visitor.visitDateFormat(this, context);
}
+
+ @Override
+ public boolean isMonotonic() {
+ Expression format = child(1);
+ if (!(format instanceof VarcharLiteral)) {
+ return false;
+ }
+ VarcharLiteral varcharLiteral = (VarcharLiteral) format;
+ String str = varcharLiteral.getValue().replace(" ", "");
Review Comment:
does this action not match the format "yyyy-MM-dd HH:mm:ss"?
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