Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/12481 )

Change subject: IMPALA-7368: Add initial support for DATE type
......................................................................


Patch Set 18:

(2 comments)

Thanks for the changes.

http://gerrit.cloudera.org:8080/#/c/12481/18/be/src/exprs/cast-functions-ir.cc
File be/src/exprs/cast-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/12481/18/be/src/exprs/cast-functions-ir.cc@301
PS18, Line 301:         "The valid date range in Timestamps is 
1400-01-01..9999-12-31");
Maybe reword a bit:

 "The valid date range for the Timestamp type is..."


http://gerrit.cloudera.org:8080/#/c/12481/18/testdata/workloads/functional-query/queries/QueryTest/date.test
File testdata/workloads/functional-query/queries/QueryTest/date.test:

http://gerrit.cloudera.org:8080/#/c/12481/18/testdata/workloads/functional-query/queries/QueryTest/date.test@564
PS18, Line 564: select coalesce('2012-01-01', cast('2012-02-02' as timestamp), 
cast('2012-02-02' as timestamp)),
I don't know if it matters but it looks like hive 3 also returns the same for 
this line and the next except for an extra digit of padding: 2012-01-01 0:00:00

I.e. there are cases where it matches both that seem to have arbitrarily ended 
up here versus the above query.

Again, I don't know if it matters.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iea8155ef09557e0afa2f8b2d0b2dc9d0896dc30f
Gerrit-Change-Number: 12481
Gerrit-PatchSet: 18
Gerrit-Owner: Attila Jeges <atti...@cloudera.com>
Gerrit-Reviewer: Attila Jeges <atti...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Lars Volker <l...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
Gerrit-Comment-Date: Fri, 05 Apr 2019 00:33:45 +0000
Gerrit-HasComments: Yes

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