Gabor Kaszab has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/17818 )

Change subject: cleaner and faster operations wtih datasketches
......................................................................


Patch Set 1:

(4 comments)

Thanks Alexander for taking care of these changes!
Apart from the automated format checks I left some comments, nothing serious.

http://gerrit.cloudera.org:8080/#/c/17818/1//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/17818/1//COMMIT_MSG@7
PS1, Line 7: cleaner
I've created a jira ticket for this patch. Could you please add the Jira Id to 
the beginning of the commit msg (similarly to other patches)?
https://issues.apache.org/jira/browse/IMPALA-10901


http://gerrit.cloudera.org:8080/#/c/17818/1//COMMIT_MSG@7
PS1, Line 7: wtih
typo


http://gerrit.cloudera.org:8080/#/c/17818/1//COMMIT_MSG@8
PS1, Line 8:
Could you please write a sentence or two here to sum up the changes in this 
patch?


http://gerrit.cloudera.org:8080/#/c/17818/1/be/src/exprs/aggregate-functions-ir.cc
File be/src/exprs/aggregate-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/17818/1/be/src/exprs/aggregate-functions-ir.cc@1624
PS1, Line 1624: StringVal SerializeCompactDsHllSketch(FunctionContext* ctx,
With this simplification we ended up with a number of functions that have 
actually the same body, and a difference between them is a function parameter. 
I wonder if these could be simplified further to have a single template 
function that covers all of them.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I306a2489dac0f4d2d475e8f9987cd58bf95474bb
Gerrit-Change-Number: 17818
Gerrit-PatchSet: 1
Gerrit-Owner: Alexander Saydakov <al...@apache.org>
Gerrit-Reviewer: Gabor Kaszab <gaborkas...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Comment-Date: Tue, 31 Aug 2021 07:33:07 +0000
Gerrit-HasComments: Yes

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