[Georuby-devel] Aggregate Envelopes in MySQL

Chris Ingrassia Chris.Ingrassia at fortiusone.com
Thu May 18 12:51:52 EDT 2006


	Cool, thanks.  I'll post a patch to the list in the near future.

On May 18, 2006, at 12:40 PM, Guilhem Vellut wrote:

>> 1.  If anybody has a PostGIS database handy, can you confirm for me
>> that it behaves differently, and that when you do something like:
>>
>> SELECT Extent(the_geom) from some_spatial_table;
>>
>> it returns a single row with the aggregate extent?
>
> That's right. Only one row is returned with the aggregate extent.
>
>> 2. Would having an aggregate extent function built into the mysql
>> part of spatial_adapter be useful?  If so, I'll clean up my code and
>> can probably get a patch out within the next day or two
>
> Sure.
>
> guilhem
>



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