[postgis-users] Cascaded Union Aggregate function

[Bresnahan, Mike]

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Hooray!  I will give this a test soon. 

> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net 
> [mailto:postgis-users-bounces at postgis.refractions.net] On 
> Behalf Of Paragon Corporation
> Sent: Saturday, October 04, 2008 6:44 PM
> To: 'PostGIS Users Discussion'
> Subject: [postgis-users] Cascaded Union Aggregate function
> 
> For those people who have unions to do that are slow, feel 
> free to try out this aggregate union function.
> 
> I haven't tested it enough for it to make it into 1.3.4, but 
> have included a link to the source code in the wiki.  It 
> should work just fine on PostGIS versions 1.2.2 and above.
> 
> http://postgis.refractions.net/support/wiki/index.php?PL%2FPGS
> QL%20Pseudo%20
> Cascade%20Union%20Aggregate%20Function
> 
> Let me know if you run into any problems with it.  It has 
> worked well for the samples I have used it on.
> 
> Thanks,
> Regina
> 
> 
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