Re: additional foreign key test coverage

On 04/12/2018 14:23, Alvaro Herrera wrote:
> On 2018-Dec-04, Peter Eisentraut wrote:
>
>> During the development of my recent patch "unused/redundant foreign key
>> code" [0], I had developed a few additional test cases to increase the
>> coverage in ri_triggers.c. They are in the attached patches with
>> explanations. With these, coverage should be pretty complete, except
>> hard-to-trigger error cases. Interested reviewers can also follow along
>> on coverage.postgresql.org.
>
> Hmm. One of the things I did for FKs on partitioned tables was remove
> all the cases involving only unpartitioned tables, then run just the
> foreign_key test and see what the coverage looked like -- in the first
> versions, there were large swaths of uncovered code. That guided me to
> add a few more tests to increase coverage in later versions. This is
> all to say that I think it would be useful to include the case of
> partitioned tables in the tests you add, where relevant.

I'm not sure I understand where partitioned tables come in here. In
ri_triggers.c, it's all dealing with single base tables. Certainly
other code elsewhere needs to know about partitions.

--
Peter Eisentraut http://www.2ndQuadrant.com/
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