Re: issue about information_schema REFERENTIAL_CONSTRAINTS

On fre, 2010-09-03 at 13:53 -0400, Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > Excerpts from Fabien COELHO's message of vie sep 03 13:39:19 -0400 2010:
> >> I tried to explained that I'm analyzing other people's schemas. I cannot
> >> ask all other people on the planet to rewrite their schemas, I pick them
> >> as they are.
>
> > Maybe you shouldn't be using the information_schema in the first place.
>
> It would probably be reasonable to put something into chapter 34 of the
> docs pointing out this limitation.  I'm not sure exactly where though.
> Should we invent a "compatibility issues" section in that chapter,
> analogous to the ones we have for individual SQL commands?  Are there
> other issues worth documenting for the information_schema views?

A very similar issue is already documented here:

http://developer.postgresql.org/pgdocs/postgres/infoschema-triggers.html