Steve Carlin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/22870 )

Change subject: IMPALA-14061: Calcite Planner: added Calcite rules
......................................................................


Patch Set 4:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/22870/4/java/calcite-planner/src/main/java/org/apache/impala/calcite/service/CalciteOptimizer.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/service/CalciteOptimizer.java:

http://gerrit.cloudera.org:8080/#/c/22870/4/java/calcite-planner/src/main/java/org/apache/impala/calcite/service/CalciteOptimizer.java@102
PS4, Line 102: RelNode preJoinOptimizedPlan = 
runOptimizeNodesProgram(relBuilder, coercedNodesPlan);
> sorry to bother you.
Oh, ha!  No bother at all!  It's actually really good that someone is 
interested in this!

I meant to reply yesterday though and didn't.

I'm wondering...is it a good idea to keep up with the latest?

The reason I ask is specifically because of the problem you hit:  1.37 works 
fine, but 1.39 does not.

So if we were to always use the latest version, we're gonna hit a situation 
where:  The upgrade from 1.39 to 1.40 happens on a Tuesday that breaks 
something.  Someone goes to push something on Jenkins on a Tuesday and it works 
fine.  On Wednesday it does not.  Then theyll be scrambling to figure out what 
happened, only to find out that it was completely unrelated to their commit.


I do like the idea of keeping up with the latest, of course. I wish I could 
think of a middle ground.  But regardless, I'm stuck on 1.37 because 1.38 
breaks stuff.  1.38 also fixes stuff too: there's a decimal overflow problem 
that goes away.

But yeah...if you have a different take on this, let me know.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6671f7ed298a18965ef0b7a5fc10f4912333a52b
Gerrit-Change-Number: 22870
Gerrit-PatchSet: 4
Gerrit-Owner: Steve Carlin <scar...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Anonymous Coward (816)
Gerrit-Reviewer: Fang-Yu Rao <fangyu....@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Michael Smith <michael.sm...@cloudera.com>
Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com>
Gerrit-Reviewer: Steve Carlin <scar...@cloudera.com>
Gerrit-Comment-Date: Fri, 16 May 2025 16:22:28 +0000
Gerrit-HasComments: Yes

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