Steve Carlin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23900 )

Change subject: IMPALA-14488: Calcite planner: Support fallback to Original 
planner
......................................................................


Patch Set 9:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/23900/9/common/thrift/ImpalaService.thrift
File common/thrift/ImpalaService.thrift:

http://gerrit.cloudera.org:8080/#/c/23900/9/common/thrift/ImpalaService.thrift@1028
PS9, Line 1028:   USE_CALCITE_PLANNER = 191 // Removed
> We have REMOVED_QUERY_OPT_FN, can we use that on this option in query-optio
Done


http://gerrit.cloudera.org:8080/#/c/23900/9/common/thrift/Query.thrift
File common/thrift/Query.thrift:

http://gerrit.cloudera.org:8080/#/c/23900/9/common/thrift/Query.thrift@a1164
PS9, Line 1164:
> nit: unnecessary whitespace change
Done


http://gerrit.cloudera.org:8080/#/c/23900/9/tests/custom_cluster/test_calcite_planner.py
File tests/custom_cluster/test_calcite_planner.py:

http://gerrit.cloudera.org:8080/#/c/23900/9/tests/custom_cluster/test_calcite_planner.py@41
PS9, Line 41:   
@CustomClusterTestSuite.with_args(start_args="--env_vars=USE_CALCITE_PLANNER=true")
> Does this env_var still do something? It shows up a few places, can we clea
I suppose this is up for debate...

I purposefully left this here because I think it's kinda nice to be able to 
explicitly use the calcite planner via a direct server option.  I know that 
default query options can also be overridden as an option, so perhaps this is 
redundantly redundant.

So I'm up in the air about this one.  If it were my preference, I'd leave it, 
but if consensus is that it should be removed, I wouldn't put up much of an 
argument about it.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Id1fdc5ef92fff84e89af0e19c4246cc15e2ea823
Gerrit-Change-Number: 23900
Gerrit-PatchSet: 9
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Fang-Yu Rao <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Steve Carlin <[email protected]>
Gerrit-Comment-Date: Tue, 10 Feb 2026 22:53:49 +0000
Gerrit-HasComments: Yes

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