Re: SELECT from multiple tables (not join though) - Mailing list pgsql-general

From Bruno Wolff III
Subject Re: SELECT from multiple tables (not join though)
Date
Msg-id 20050110182608.GA7337@wolff.to
Whole thread Raw
In response to Re: SELECT from multiple tables (not join though)  (Madison Kelly <linux@alteeve.com>)
Responses Re: SELECT from multiple tables (not join though)  (Madison Kelly <linux@alteeve.com>)
List pgsql-general
On Mon, Jan 10, 2005 at 12:47:53 -0500,
  Madison Kelly <linux@alteeve.com> wrote:
>
> The trick now is I need to know which table each result came from. I can
> add another column and record the table number and SELECT that at the
> same time but before I do I was wondering if I can do this more
> efficiently or elegantly.

You can add a constant to the select list in each of the subselects
that indicates which table is being used.

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