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From "Dan Hecht (Code Review)" <>
Subject [Impala-ASF-CR] IMPALA-5538: Use explicit catalog versions for deleted objects
Date Thu, 21 Sep 2017 23:11:14 GMT
Dan Hecht has posted comments on this change. ( )

Change subject: IMPALA-5538: Use explicit catalog versions for deleted objects

Patch Set 6:

File be/src/catalog/
PS6, Line 308: DCHECK_GE
should that be DCHECK_GT?  The old conditional to continue on was <= ...
File be/src/catalog/catalog.h:
PS6, Line 59: Gets all Catalog objects and the metadata that is applicable for the given request.
            :   /// Always returns all object names that exist in the Catalog, but allows
for extended
            :   /// metadata for objects that were modified after the specified version.
is that accurate?  from our discussion, my understanding was that only objects with version
> from_version would be included.
File be/src/statestore/
PS5, Line 177:   }
             : }
> The behavior is topic specific and currently only subscribers of catalog-up
What I mean is that topics that are transient do not get values in deleted topics.  So, if
a subscriber relies on value to process deletion, it better not register as transient, right?
 Shouldn't that be made explicit?
File common/thrift/CatalogInternalService.thrift:
PS6, Line 32:  relative to
does it include objects with changes in version > or >= the from_version?

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I93cb7a033dc8f0d3e0339394b36affe14523274c
Gerrit-Change-Number: 7731
Gerrit-PatchSet: 6
Gerrit-Owner: Dimitris Tsirogiannis <>
Gerrit-Reviewer: Alex Behm <>
Gerrit-Reviewer: Bharath Vissapragada <>
Gerrit-Reviewer: Dan Hecht <>
Gerrit-Reviewer: Dimitris Tsirogiannis <>
Gerrit-Reviewer: Vuk Ercegovac <>
Gerrit-Comment-Date: Thu, 21 Sep 2017 23:11:14 +0000
Gerrit-HasComments: Yes

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