Alex Behm has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10402 )

Change subject: IMPALA-7029: Clone LHS when rewriting a between predicate
......................................................................


Patch Set 2:

Tianyi, before we pursue this further let's get together for me to understand 
what exactly is going wrong.

There should be no requirement to have different expr objects in different expr 
trees. Arguably, having such a guarantee would be cleaner, but I'd like to 
understand if there are other subtle issues lurking in the current model and 
whether we need a more fundamental change.


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2db3af99593bc207ee8dc2a1550acf21ebd61c41
Gerrit-Change-Number: 10402
Gerrit-PatchSet: 2
Gerrit-Owner: Tianyi Wang <tw...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Philip Zeyliger <phi...@cloudera.com>
Gerrit-Reviewer: Tianyi Wang <tw...@cloudera.com>
Gerrit-Comment-Date: Tue, 15 May 2018 18:39:56 +0000
Gerrit-HasComments: No

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