[Impala-ASF-CR] IMPALA-5137: Support Kudu UNIXTIME MICROS as Impala TIMESTAMP

["Dan Hecht (Code Review)" <ge...@cloudera.org>]

Dan Hecht has posted comments on this change.

Change subject: IMPALA-5137: Support Kudu UNIXTIME_MICROS as Impala TIMESTAMP
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Patch Set 1:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/6526/1/be/src/runtime/timestamp-value.h
File be/src/runtime/timestamp-value.h:

PS1, Line 180: Unix time (seconds since the Unix epoch) representation in UTC
unix time isn't really "in UTC".  It's just the number of seconds since unix epcoh (which is specified as Jan 1 1970 0:00 UTC). That is, unix time is timezone independent.

The implied timezone (which in this case you want to be UTC) applies to the timestamp, not the resulting unix time. So, I think the comment should be something like:

/// Interpret 'this' as a timestamp in UTC and convert to unix time.

and rename the method accordingly.  Or am I missing something?


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Gerrit-MessageType: comment
Gerrit-Change-Id: Iae6ccfffb79118a9036fb2227dba3a55356c896d
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Matthew Jacobs <mj...@cloudera.com>
Gerrit-Reviewer: Dan Hecht <dh...@cloudera.com>
Gerrit-Reviewer: Matthew Jacobs <mj...@cloudera.com>
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