imay commented on a change in pull request #1644: Refactor DateLiteral class in
FE
URL: https://github.com/apache/incubator-doris/pull/1644#discussion_r315659643
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File path: fe/src/main/java/org/apache/doris/rewrite/FEFunctions.java
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@@ -75,9 +75,11 @@ public static IntLiteral dateDiff(LiteralExpr first,
LiteralExpr second) throws
@FEFunction(name = "date_add", argTypes = { "DATETIME", "INT" },
returnType = "DATETIME")
public static DateLiteral dateAdd(LiteralExpr date, LiteralExpr day)
throws AnalysisException {
- Date d = new Date(getTime(date));
- d = DateUtils.addDays(d, (int) day.getLongValue());
- return new DateLiteral(DateFormatUtils.format(d, "yyyy-MM-dd
HH:mm:ss"), Type.DATETIME);
+ DateLiteral dateLiteral = (DateLiteral) date;
+
+ DateLiteral result = new DateLiteral(dateLiteral);
+ result.setDay(dateLiteral.getDay() + day.getLongValue());
Review comment:
how about "2010-01-31" + 10
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