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Re: BUG #5852: Function date_trunc is not IMMUTABLE

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Oleg <serovov(at)gmail(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5852: Function date_trunc is not IMMUTABLE
Date: 2011-01-27 13:26:49
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
On Thu, Jan 27, 2011 at 11:02:46AM +0000, Oleg wrote:
> The following bug has been logged online:
> Bug reference:      5852
> Logged by:          Oleg
> Email address:      serovov(at)gmail(dot)com
> PostgreSQL version: 8.3
> Operating system:   CentOS
> Description:        Function date_trunc is not IMMUTABLE
> Details: 
> Please mark function date_trunc as IMMUTABLE for using in index.

it cannot be immutable. please check explanation in here:
search for "immutable".

Best regards,


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