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From "Jim Apple (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4546: Fix Moscow timezone conversion after 2014
Date Thu, 16 Feb 2017 21:18:00 GMT
Jim Apple has posted comments on this change.

Change subject: IMPALA-4546: Fix Moscow timezone conversion after 2014
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/5969/2/be/src/exprs/expr-test.cc
File be/src/exprs/expr-test.cc:

Line 3720:   TestStringValue(UTC_TO_MSC("2014-10-25 21:59:59"), "2014-10-26 01:59:59");
> I think different behavior is OK because this is a completely different sit
We could emulate "JDK 8u31 or greater", according to the JIRA. We could also try and emulate
postgres. FInally, the official Standard may have something to say. I didn't see it addressed
in http://standards.iso.org/ittf/PubliclyAvailableStandards/c060394_ISO_IEC_TR_19075-2_2015.zip
, though.

My intuition is that it should be NULL, just like when DST happens.


http://gerrit.cloudera.org:8080/#/c/5969/1/be/src/exprs/timestamp-functions.cc
File be/src/exprs/timestamp-functions.cc:

PS1, Line 194: January 19, 1992 
> Cleared it up a bit. Let me know if you think the comment is clear now.
Perfect!


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Gerrit-MessageType: comment
Gerrit-Change-Id: Id6e3f2c9f6ba29749a26bc1087e664637bc02528
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Taras Bobrovytsky <tbobrovytsky@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Jim Apple <jbapple-impala@apache.org>
Gerrit-Reviewer: Matthew Jacobs <mj@cloudera.com>
Gerrit-Reviewer: Taras Bobrovytsky <tbobrovytsky@cloudera.com>
Gerrit-HasComments: Yes

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