Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24870 )

Change subject: IMPALA-15334: Decompose unrewritable CTE suggestions to explore 
more rewrites
......................................................................


Patch Set 1:

(2 comments)

This looks useful. I'm trying a perf run at 
https://jenkins.impala.io/job/perf-AB-test-ub2204/37/.

http://gerrit.cloudera.org:8080/#/c/24870/1//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/24870/1//COMMIT_MSG@18
PS1, Line 18: To prevent potentially high planning times due to the bigger 
search
Have you quantified this at all?


http://gerrit.cloudera.org:8080/#/c/24870/1/common/thrift/Query.thrift
File common/thrift/Query.thrift:

http://gerrit.cloudera.org:8080/#/c/24870/1/common/thrift/Query.thrift@837
PS1, Line 837:   207: optional bool cte_rewritable_decomposition = false
CTEs are already disabled by default, not sure I'd add another query option.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I5aa335a0d61ea4b4a85a22f57e13e1e2083d0736
Gerrit-Change-Number: 24870
Gerrit-PatchSet: 1
Gerrit-Owner: Stamatis Zampetakis <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Comment-Date: Thu, 17 Sep 2026 17:43:02 +0000
Gerrit-HasComments: Yes

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