Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21039 )

Change subject: IMPALA-12786: Optimize count(*) for JSON scans
......................................................................


Patch Set 9: Code-Review+1

(1 comment)

Looks good to me. Lets wait for feedback from other reviewers.

http://gerrit.cloudera.org:8080/#/c/21039/9/be/src/service/query-options.h
File be/src/service/query-options.h:

http://gerrit.cloudera.org:8080/#/c/21039/9/be/src/service/query-options.h@329
PS9, Line 329:   QUERY_OPT_FN(disable_optimized_json_count_star, 
DISABLE_OPTIMIZED_JSON_COUNT_STAR,     \
             :       TQueryOptionLevel::ADVANCED)
nit: JSON scanner looks pretty new and probably not widely used yet. I don't 
mind making this new count star behavior default without query option to 
control it.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I97ff097661c3c577aeafeeb1518408ce7a8a255e
Gerrit-Change-Number: 21039
Gerrit-PatchSet: 9
Gerrit-Owner: Zihao Ye <[email protected]>
Gerrit-Reviewer: Daniel Becker <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Zihao Ye <[email protected]>
Gerrit-Comment-Date: Tue, 02 Apr 2024 18:20:19 +0000
Gerrit-HasComments: Yes

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