Re: Monthly table partitioning for fast purges?

From: Benjamin Jury <benjamin(dot)jury(at)mpuk(dot)com>
To: "'pgsql-general(at)postgresql(dot)org'" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Monthly table partitioning for fast purges?
Date: 2003-08-04 14:02:33
Message-ID: 24DC688F52AAD611B60900096BB0B440015D8446@chapar.mpuk.com
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You could create an index on the function date(), which strips the time
information.

> -----Original Message-----
> From: psql-mail(at)freeuk(dot)com [mailto:psql-mail(at)freeuk(dot)com]
> Sent: 04 August 2003 14:01
> To: PgSQL General ML
> Subject: Re: [GENERAL] Monthly table partitioning for fast purges?
>
>
> I am looking at ways to speed up queries, the most common way by for
> queries to be constrianed is by date range. I have indexed the date
> column. Queries are still slower than i would like.

...

> The date column is of type timestamp (and so goes right down
> to seconds)
> , most user queries are only concerned about whole days without the
> times, (but hte time data is required for other queries) can i do
> something with an index of the timestamps cast to dates? and
> then cast
> the queries to dates too?

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