Re: Temporary tables

From: Gaetano Mendola <mendola(at)bigfoot(dot)com>
To: G u i d o B a r o s i o <gbarosio(at)uolsinectis(dot)com(dot)ar>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Temporary tables
Date: 2004-08-05 15:41:13
Message-ID: 41125519.9090907@bigfoot.com
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G u i d o B a r o s i o wrote:

| The box:
| Linux 2.4.24-ck1
| 8 Intel(R) Xeon(TM) MP CPU 2.80GHz
| 4 gb RAM.
| Postgresql 7.4.2
|
| The problem:
| Short in disk space. (waiting new hard)
|
| The real problem:
| Developers usually write queries involving the creation of temporary tables.

I seen too this behavior, till I explained that this is a valid sql:

select T.* from ( select * from table t where a = 5 ) AS T join foo using ( bar );

show us a typical function that use temporary tables.

Regards
Gaetano Mendola

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