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 > > > Cheers, > > > -- > Eric Lemoine > > Camptocamp France SAS > Savoie Technolac, BP 352 > 73377 Le Bourget du Lac, Cedex > > Tel : 00 33 4 79 44 44 96 > Mail : eric.lemo...@camptocamp.com > http://www.camptocamp.com > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalchemy@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.