Re: SELECT from multiple tables (not join though)
От | Madison Kelly |
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Тема | Re: SELECT from multiple tables (not join though) |
Дата | |
Msg-id | 41E2C872.3090400@alteeve.com обсуждение исходный текст |
Ответ на | Re: SELECT from multiple tables (not join though) (Bruno Wolff III <bruno@wolff.to>) |
Ответы |
Re: SELECT from multiple tables (not join though)
Re: SELECT from multiple tables (not join though) Re: SELECT from multiple tables (not join though) |
Список | pgsql-general |
Bruno Wolff III wrote: > 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. ^.^; Can you point me to docs that will help me learn how to do that? Thanks! Or rather, do you mean add a column to the table with an ID for the table that I select beside the file_name? If so, that is what I am planning to do if I can't find a smoother way to do it. Thanks!! Madison
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