From: | Rod Taylor <rbt(at)zort(dot)ca> |
---|---|
To: | Greg Sabino Mullane <greg(at)turnstep(dot)com> |
Cc: | pgsql-patches(at)postgresql(dot)org |
Subject: | Re: small psql patch - show Schema name for \dt \dv \dS |
Date: | 2002-07-25 01:24:08 |
Message-ID: | 1027560260.55417.25.camel@jester |
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Thread: | |
Lists: | pgsql-patches |
Perhaps current_schemas would be easier to use if it was changed to
return one schema per row returned? Need a little uglyness around it
until attributes are re-worked.
On Wed, 2002-07-24 at 21:23, Greg Sabino Mullane wrote:
>
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> > It's done that for some time. However, "nsp in current_schemas" isn't
> > going to solve psql's problem anyway, since it ignores the fundamental
> > issue of visibility: just because an object is in your search path does
> > not mean you can see it. It might be masked by a similarly-named object
> > earlier in the path.
>
> I think that can be solved by doing an ORDER BY the current_schemas()
> results and a LIMIT 1. The bigger problem is the above-mentioned 'nsp in
> current_schemas'. I cannot think of an easy way to do this. In other
> words, the equivalent of "select * from pg_class where relnamespace
> in (current_schemas())" Is there a function in the core to check
> an array? The *= construct in contrib/array would be nice, but it
> cannot be used to compile psql. My other options are to create a
> function, create some internal SQL calls, or do some really ugly
> C parsing of the results of "select current_schemas(true)." I
> am leaning towards the latter, but a nice internal function that
> breaks an array into a table would be great.
>
> Greg Sabino Mullane greg(at)turnstep(dot)com
> PGP Key: 0x14964AC8 200207242119
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