hello,
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 do***entation carefully: it has a pg_has_role(c.relowner, 'USAGE')
in
it and the do***entation 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 owner****p. the user I was working with
most
definately had access. it could also read the pg_* system catalog, such
that
if I copy/paste the view definition without the pg_has_role() line in it
(and
massage it a bit to remove the CASTs to sql_identifier and character_data)
that user got just what I was expecting.
so, is that restriction correct?
Lodewijk
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