Xuebin Su has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24105 )

Change subject: IMPALA-2083: Add PIVOT clause
......................................................................


Patch Set 14:

(2 comments)

> Patch Set 9:
>
> (7 comments)
>
> I've done the second round of review. The rewrite solution LGTM. I think we 
> just need to fix some special cases like nested PIVOT and add more tests like 
> DMLs. If some special cases are not supported, we need better error messages.
>
> Thanks for this hard work!

Thanks for your reviews!

http://gerrit.cloudera.org:8080/#/c/24105/9/fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java
File fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java:

http://gerrit.cloudera.org:8080/#/c/24105/9/fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java@625
PS9, Line 625:         if (requiresZippingUnnestRewrite()) {
> This also skips DMLs like CreateTableAsSelect, INSERT. I think we should be
Thanks! Added.


http://gerrit.cloudera.org:8080/#/c/24105/9/fe/src/main/java/org/apache/impala/analysis/PivotTableRef.java
File fe/src/main/java/org/apache/impala/analysis/PivotTableRef.java:

http://gerrit.cloudera.org:8080/#/c/24105/9/fe/src/main/java/org/apache/impala/analysis/PivotTableRef.java@216
PS9, Line 216:
> Just tried nested PIVOT, it doesn't work:
Thanks! Fixed.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ib799b772be18d2a3db8983b24e1068e7dfdf1ca9
Gerrit-Change-Number: 24105
Gerrit-PatchSet: 14
Gerrit-Owner: Xuebin Su <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Xuebin Su <[email protected]>
Gerrit-Comment-Date: Fri, 15 May 2026 04:25:31 +0000
Gerrit-HasComments: Yes

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