Re: add to table which name is in table

From: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
To: teknet(at)poczta(dot)onet(dot)pl
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: add to table which name is in table
Date: 2004-07-17 08:39:41
Message-ID: 1090053581.25749.69.camel@linda
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

On Sat, 2004-07-17 at 08:41, teknet(at)poczta(dot)onet(dot)pl wrote:
> Hello
>
> i have table:
>
> create table table_names (
> id SERIAL,
> name VARCHAR(75) NOT NULL
> );
>
>
>
> and for each name in table_names i have table (which name is name field from
> table_names).
>
> So in table_names i have records:
>
> 1 table1
>
> 2 table2
>
> 3 table3
>
>
>
> So i have three other tables named: table1 table2 table3.
>
> And i want to operate on that tables by reading their names from
> table_names. I tried:
>
> select * from (select name from table_names where id=1) as something;
>
> but i received only:
>
> table_names
> --------------
> table1
> (1 row)
>
> And i wanted to receive everything from table1.
>
> How can i do it ?

SQL can't do that. You would need to do it by EXECUTE statements in a
PL/pgSQL function.

--
Oliver Elphick olly(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA
========================================
"But my God shall supply all your need according to his
riches in glory by Christ Jesus." Philippians 4:19

In response to

Browse pgsql-admin by date

  From Date Subject
Next Message Gaetano Mendola 2004-07-17 09:39:07 Re: [HACKERS] Point in Time Recovery
Previous Message teknet 2004-07-17 07:41:58 add to table which name is in table