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

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


Patch Set 9:

(1 comment)

Thank you again for the review.

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'
I am inclined to keep this query option for now, as it is very likely that we 
will further expand the features of the json scanner in the future. Keeping 
this query option will help us to more conveniently test to ensure consistent 
optimization results.



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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: Mon, 08 Apr 2024 06:20:23 +0000
Gerrit-HasComments: Yes

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