| From: | Jayadevan M <Jayadevan(dot)Maymala(at)ibsplc(dot)com> |
|---|---|
| To: | Ivan Voras <ivoras(at)freebsd(dot)org> |
| Cc: | pgsql-general(at)postgresql(dot)org, pgsql-general-owner(at)postgresql(dot)org |
| Subject: | Re: hstore problem with UNION? |
| Date: | 2010-05-10 12:10:00 |
| Message-ID: | OF00896CFB.26CE7F0A-ON6525771F.0042BBF5-6525771F.0042D840@ibsplc.com |
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| Thread: | |
| Lists: | pgsql-general |
When we do a union, the database has to get rid of duplicates and get
distinct values. To achieve this, probably it does a sort. Just
guesswork....
Regards,
Jayadevan
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