Alex Behm has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9346 )

Change subject: IMPALA-6230, IMPALA-6468: Fix the output type of round() and 
related fns
......................................................................


Patch Set 2:

(2 comments)

I'm pretty happy with this change. Let's not forget the follow-on work for 
those other functions (if necessary, as determined by Greg)

http://gerrit.cloudera.org:8080/#/c/9346/2/be/src/exprs/math-functions-ir.cc
File be/src/exprs/math-functions-ir.cc:

http://gerrit.cloudera.org:8080/#/c/9346/2/be/src/exprs/math-functions-ir.cc@152
PS2, Line 152:   return DoubleVal(trunc(
I think this will DCHECK if a negative scale is passed


http://gerrit.cloudera.org:8080/#/c/9346/1/common/function-registry/impala_functions.py
File common/function-registry/impala_functions.py:

http://gerrit.cloudera.org:8080/#/c/9346/1/common/function-registry/impala_functions.py@266
PS1, Line 266:   [['sign'], 'DOUBLE', ['DOUBLE'], 
'impala::MathFunctions::Sign'],
> Do you think we would need to have a sign() function for double, float, int
I think this is a question for Greg. It's mostly about whether this function 
should follow the same philosophy of "input type == output type". I suggest we 
defer this to another discussion/patch.



--
To view, visit http://gerrit.cloudera.org:8080/9346
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I77541678012edab70b182378b11ca8753be53f97
Gerrit-Change-Number: 9346
Gerrit-PatchSet: 2
Gerrit-Owner: Taras Bobrovytsky <tbobrovyt...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Taras Bobrovytsky <tbobrovyt...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Zach Amsden <zams...@cloudera.com>
Gerrit-Reviewer: anujphadke <apha...@cloudera.com>
Gerrit-Comment-Date: Mon, 19 Mar 2018 20:41:55 +0000
Gerrit-HasComments: Yes

Reply via email to