Attila Bukor has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14831 )

Change subject: KUDU-1938 Add VARCAHR to tooling and helpers pt 7
......................................................................


Patch Set 2:

> Patch Set 2:
>
> > The change in key_util.cc wasn't necessary after all as it checks physical 
> > types so the STRING case is unnecessary too. Could still add test and 
> > remove the STRING case.
> >
> > The methods in row.h are only convenient methods, most of them are not used 
> > at all, but it might make sense to still add them.
> >
> > The tool actions should be tested, but unfortunately they don't have tests 
> > at all (they would've likely caught the missing VARCHAR handling), but 
> > adding the tests would be a scope creep I believe. How do you feel about 
> > filing a JIRA to test the tools?
>
> I asked for test coverage because, ultimately, the way in which we add a new 
> data type is by grepping in the source code for the last data type to be 
> added (now VARCHAR), then doing a bunch of copy/paste to create the new one. 
> Without corresponding test coverage, it's easy to miss a piece and not 
> notice. If there's test coverage, you have to miss both some piece _and_ its 
> corresponding test. In that sense, the test functions as a sort of "parity 
> bit".

Yep, that's how I wrote VARCHAR too and I missed these changes because didn't 
see these in DECIMAL.

>
> That said, I don't want to burden you with testing brand new functionality; 
> I'd rather you only extend existing tests where they exist.

Unfortunately there are no existing tests for this.


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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I84257c71528dafdf9c01c0d3cdda44a626ed7f67
Gerrit-Change-Number: 14831
Gerrit-PatchSet: 2
Gerrit-Owner: Attila Bukor <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Attila Bukor <[email protected]>
Gerrit-Reviewer: Grant Henke <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Comment-Date: Thu, 05 Dec 2019 18:21:51 +0000
Gerrit-HasComments: No

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