Re: why cannot UNION both SELECT and SHOW?

On 08/01/2011 02:07 PM, Konstantin Izmailov wrote:
> Is it possible instead of executing following two statements:
> SHOW search_path; SELECT version();
> to execute just one statement returning both search_path and version?
>
> I'm using Postgres 9.0 and need the result either as two tuples or two
> fields...
>
> Could you suggest how to rewrite the two statements?

http://www.postgresql.org/docs/9.0/interactive/functions-info.html

production=> select current_schemas('f'),version();
current_schemas |
version
--------------------------+--------------------------------------------------------------------------------------------------
{public,utility,history} | PostgreSQL 9.0.3 on i686-pc-linux-gnu,
compiled by GCC gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3, 32-bit

>
> Thx

--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com