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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/12/01 09:19:19 UTC
[GitHub] [doris] englefly commented on a diff in pull request #14662: [feature](nereids)time stamp diff
englefly commented on code in PR #14662:
URL: https://github.com/apache/doris/pull/14662#discussion_r1036867199
##########
fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4:
##########
@@ -257,8 +257,15 @@ valueExpression
| left=valueExpression comparisonOperator right=valueExpression #comparison
;
+datetimeUnit
+ : YEAR | MONTH
+ | WEEK | DAY
+ | HOUR | MINUTE | SECOND
+ ;
+
primaryExpression
- : CASE whenClause+ (ELSE elseExpression=expression)? END #searchedCase
+ : name=(TIMESTAMPDIFF | DATEDIFF) LEFT_PAREN unit=datetimeUnit COMMA startTimestamp=valueExpression COMMA endTimestamp=valueExpression RIGHT_PAREN #timestampdiff
Review Comment:
done
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