On Wed, Jun 15, 2011 at 3:34 PM, Michael Bayer <[email protected]> wrote:
>
> On Jun 15, 2011, at 8:21 AM, Eric Lemoine wrote:
>
>>
>> The function '_compiler_dispatch' just makes sure, that we are using
>> the correct geometry type in the cast.
>> ------
>>
>>> have you tried subclassing UserDefinedType
>>> instead ?
>>
>> Not yet. If you tell me that's what we should do I'll give it a try.
>
> yeah the point of UserDefinedType was so that people don't have to worry 
> about _compiler_dispatch details or forwards-compatibility - you just apply a 
> get_col_spec() method like in previous releases.
>
> http://www.sqlalchemy.org/docs/core/types.html#creating-new-types

Thanks. Here's my change:
<https://bitbucket.org/geoalchemy/geoalchemy/changeset/509a36b0cabb>.
Everything seems to be working correctly, although we haven't run the
tests against MSSQL yet.



-- 
Eric Lemoine

Camptocamp France SAS
Savoie Technolac, BP 352
73377 Le Bourget du Lac, Cedex

Tel : 00 33 4 79 44 44 96
Mail : [email protected]
http://www.camptocamp.com

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