[postgis-users] ST_Union and 8.3?

[Obe, Regina]

Mark,

Can you think of anything wrong with using ST_MemUnion as a temporary
fix aside from the fact that I guess for larger unioning jobs it is
probably less efficient?

Has anyone tried the new 8.3.1 to see if it changes the below issue.  I
don't see anything in the list of changes
http://www.postgresql.org/docs/8.3/static/release-8-3-1.html that would
suggest it would, except possibly for 

"Fix memory leaks in certain usages of set-returning functions"

I'm planning to try it out in the next day or so. 

Thanks,
Regina

-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Mark
Cave-Ayland
Sent: Thursday, March 20, 2008 5:45 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] ST_Union and 8.3?

On Wednesday 19 March 2008 14:00:44 Obe, Regina wrote:
> This is a known issue which I think Mark Cave-Ayland is working on.
>
> I think Mike Leahy had suggested using
>
> ST_MemUnion as a work around.
>
> Hope that helps,
> Regina

My current thinking is that it's related to array access under
PostgreSQL 8.3. 
Unfortunately my timetable means I will be away with other commitments
until 
the end of the month, so it will have to wait until then. The "quick
fix" 
would be a temporary downgrade to PostgreSQL 8.2 if you need a more
immediate 
solution. An early Easter seems to have really messed up the holidays
for 
everyone this year :(


ATB,

Mark.

-- 
Mark Cave-Ayland
Sirius Corporation - The Open Source Experts
http://www.siriusit.co.uk
T: +44 870 608 0063
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