-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
SELECT file_name, 1 FROM file_info_1 WHERE file_parent_dir='/' UNION
SELECT file_name, 2 FROM file_info_2 WHERE file_parent_dir='/' UNION
SELECT file_name, 3 FROM file_info_3 WHERE file_parent_dir='/'
ORDER BY file_name;
The second column now shows which table it came from. No need to mess
with adding fields, OIDs, etc...
On Jan 10, 2005, at 1:24 PM, Madison Kelly wrote:
> 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
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>
>
- -----------------------------------------------------------
Frank D. Engel, Jr. <fde101@fjrhome.net>
$ ln -s /usr/share/kjvbible /usr/manual
$ true | cat /usr/manual | grep "John 3:16"
John 3:16 For God so loved the world, that he gave his only begotten
Son, that whosoever believeth in him should not perish, but have
everlasting life.
$
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