Re: Remove mention in docs that foreign keys on partitioned tables are not supported

On 2018/07/03 11:49, Robert Haas wrote:
> On Mon, Jul 2, 2018 at 1:46 AM, Ashutosh Bapat
> <ashutosh(dot)bapat(at)enterprisedb(dot)com> wrote:
>> This constraint was added to the partitioned table and inherited from
>> there. If user wants to drop that constraint for some reason, this
>> error message doesn't help. The error message tells why he can't drop
>> it, but doesn't tell, directly or indirectly, the user what he should
>> do in order to drop it.
>
> That doesn't really sound like an actual problem to me. If the error
> is that the constraint is inherited, that suggests that the solution
> is to find the place from which it got inherited and drop it there.
> And that's in fact what you have to do. What's the problem? I mean,
> we could add a hint, but it's possible to make yourself sound dumb by
> giving hints that are basically obvious implications from the error
> message. Nobody wants this sort of thing:
>
> rhaas=# drop table foo;
> ERROR: table "foo" does not exist
> HINT: Try dropping a table with a different name that does exist, or
> first create this table before trying to drop it.
>
> A hint here wouldn't be as silly as that, but I think it is
> unnecessary. I doubt there's likely to be much confusion here.

I have to agree with that. "cannot drop inherited ..." conveys enough for
a user to find out more.

Thanks,
Amit