Excerpts from Robert Haas's message of lun nov 14 15:56:43 -0300 2011:
> Well, it looks to me like there are three different places that we
> need to nail down: RangeVarGetAndCheckCreationNamespace() is used for
> relations (except that a few places call RangeVarGetCreationNamespace
> directly, which means my previous patch probably needs some tweaking
> before commit), QualifiedNameGetCreationNamespace() is used for pretty
> much all other schema-qualified objects, and LookupCreationNamespace()
> is used for ALTER BLAH SET SCHEMA (which I think has a problem when
> you rename an object into a schema that is concurrently being
> dropped).
>
> I'm fairly unhappy with the idea of modifying a function that is
> described as doing a "get" or "lookup" to have the side effect of
> "locking something". So probably some renaming or refactoring is in
> order here. It seems like we're duplicating almost identical logic in
> an awful lot of places in namespace.c.
So RangeVarGetCheckAndLockCreationNamespace(), uh? Pity you can't
stick a comma in there.
--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support