Pranay Singh has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10450 )

Change subject: IMPALA-6994: Avoid reloading a table's HMS data for file-only 
operations.
......................................................................


Patch Set 2:

> (2 comments)
 >
 > Just interested in this optimization. May I ask some questions?
 >
 > Looks like we are optimizing the case when partitionsToUpdate !=
 > null and partitions were neither dropped, created. Can we optimize
 > the case that partitionsToUpdate != null and some partitions are
 > dropped? For example when an INSERT OVERWRITE statement updates the
 > majority of the partitions and only drops few of them.

Will this case not introduce inconsistency between HMS and Impala?


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iaabdf38af3f30c65ada9734eb471dbfa6ecdd74a
Gerrit-Change-Number: 10450
Gerrit-PatchSet: 2
Gerrit-Owner: Pranay Singh
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Pranay Singh
Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Comment-Date: Sat, 19 May 2018 18:15:20 +0000
Gerrit-HasComments: No

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