| From: | Alban Hertroys <alban(at)magproductions(dot)nl> |
|---|---|
| To: | Reece Hart <reece(at)harts(dot)net> |
| Cc: | Akbar <akbarhome(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: select union with table name |
| Date: | 2007-01-02 09:39:16 |
| Message-ID: | 459A2844.4020206@magproductions.nl |
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| Lists: | pgsql-general |
Reece Hart wrote:
> On Thu, 2006-12-28 at 19:09 +0700, Akbar wrote:
> Note the 'all' after union... I suspect you'll want that or should at
> least consider it.
Not using it will give the exact same results in a slower way; 'blue'
and 'red' are different, after all. You'll be hard pressed to find a
good excuse for not using UNION ALL here ;)
--
Alban Hertroys
alban(at)magproductions(dot)nl
magproductions b.v.
T: ++31(0)534346874
F: ++31(0)534346876
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