Re: index on custom function; explain

From: Yann Michel <yann-postgresql(at)spline(dot)de>
To: "jan(dot)aerts(at)bbsrc(dot)ac(dot)uk" <jan(dot)aerts(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: index on custom function; explain
Date: 2005-10-06 08:19:19
Message-ID: 20051006081919.GA17081@zoom.spline.inf.fu-berlin.de
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Hi,

On Mon, Oct 03, 2005 at 08:14:11AM -0700, jan(dot)aerts(at)bbsrc(dot)ac(dot)uk wrote:
> So my questions are:
> * Does anyone have any idea how I can integrate a function that lists
> all aliases for a given name into such a mapping query?

what version are you using?

TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

Cheers,
Yann

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