Alexey Serbin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21492 )

Change subject: IMPALA-12370: allow converting timestamps to UTC when writing 
Kudu
......................................................................


Patch Set 3: Code-Review+1

(2 comments)

This looks good to me.

However I haven't dug into the Impala's internals when converting and comparing 
timestamps.  I hope corresponding functionality has enough test coverage, so if 
there was an issue, it would be caught by pre-commit tests.

http://gerrit.cloudera.org:8080/#/c/21492/2//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21492/2//COMMIT_MSG@16
PS2, Line 16: To be able to read back Kudu tables written by Impala correctly
            : convert_kudu_utc_timestamps and write_kudu_utc_timestamps need to
            : have the same value.
> The reason for adding a new flag (and not changing the name of the old one)
Ah, I see. That makes sense to me -- thanks for the clarification.


http://gerrit.cloudera.org:8080/#/c/21492/2/common/thrift/ImpalaService.thrift
File common/thrift/ImpalaService.thrift:

http://gerrit.cloudera.org:8080/#/c/21492/2/common/thrift/ImpalaService.thrift@882
PS2, Line 882: When true, UNIXTIME_MICRO columns read from Kudu will be 
interpreted as UTC an
> TIMESTAMP vs UNIXTIME_MICROS: Impala uses TIMESTAMP as SQL type (and does n
Thanks for the update -- this is stated with more clarity now.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ibb4995a64e042e7bb261fcc6e6bf7ffce61e9bd1
Gerrit-Change-Number: 21492
Gerrit-PatchSet: 3
Gerrit-Owner: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Ashwani Raina <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Zihao Ye <[email protected]>
Gerrit-Comment-Date: Mon, 10 Jun 2024 18:49:15 +0000
Gerrit-HasComments: Yes

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