Mihaly Szjatinya has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24590 )

Change subject: IMPALA-9821: Change DataSketches functions to return BINARY
......................................................................


Patch Set 7:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/24590/6//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/24590/6//COMMIT_MSG@13
PS6, Line 13: because it is not a backward compatible
> Please add notes to  docs/topics/impala_incompatible_changes.xml
Done.


http://gerrit.cloudera.org:8080/#/c/24590/6//COMMIT_MSG@55
PS6, Line 55: Migrate by retyping the
            : sketch column in place wit
> Maybe an ALTER TABLE CHANGE COLUMN can be enough.
Yeah, it works. Updated the message.


http://gerrit.cloudera.org:8080/#/c/24590/6/fe/src/main/java/org/apache/impala/catalog/BuiltinsDb.java
File fe/src/main/java/org/apache/impala/catalog/BuiltinsDb.java:

http://gerrit.cloudera.org:8080/#/c/24590/6/fe/src/main/java/org/apache/impala/catalog/BuiltinsDb.java@1132
PS6, Line 1132: Type.BINARY
> Is this intentionally Type.STRING? Because of this AggregateFunction's inte
Oh yeah, good that you spotted it. It's an oversight.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Id4a6b54089dd356e37257bc24adeb1eb98e82c25
Gerrit-Change-Number: 24590
Gerrit-PatchSet: 7
Gerrit-Owner: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Mihaly Szjatinya <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Fri, 18 Sep 2026 11:11:15 +0000
Gerrit-HasComments: Yes

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