"Lodewijk Voege" <[EMAIL PROTECTED]> writes:
> I have some code that gets foreign key information from
> information_schema.referential_constraints. I was puzzled about why it wasn't
> returning anything for a while, until I read the information_schema.sql file
> and the documentation carefully: it has a pg_has_role(c.relowner, 'USAGE') in
> it and the documentation states "The view referential_constraints contains all
> referential integrity (foreign key) constraints in the current database that
> belong to a table owned by a currently enabled role".
> Fair enough. But then I read the public draft of SQL 2003 and 200n on this
> view, and it speaks only of "tables in this catalog that are accessible to a
> given user or role", rather than ownership. the user I was working with most
> definately had access.
The SQL committee changed that recently --- SQL92 and SQL99 define the
view as
Identify the referential constraints defined in this catalog that
are owned by a given user.
I don't think we've gotten around to trying to sync information_schema
with SQL2003. (The whole concept that information_schema might be a
moving target is pretty disturbing :-()
regards, tom lane
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