On Apr 24, 10:00 am, Roy Hyunjin Han <starsareblueandfara...@gmail.com> wrote: > Is there any way to retrieve the database dialect that a specific > session is using? e.g. MySQL, PostGIS, etc. > > I am trying to modify Sanjiv Singh's GeoAlchemy extension so that a > person can retrieve the appropriate database procedure for a given > dialect, so that geospatial queries can be both direct (performed in a > single database call) as well as dialect-neutral. > > For example, in PostGIS, getting the WKT of a geometry requires > func.ST_AsText() > session.query(func.ST_AsText(Road.geom)).first() > > However, in MySQL, the same procedure requires func.AsText() > session.query(func.AsText(Road.geom)).first() > > I would like to be able to create a function called wkt() in both > geoalchemy/mysql.py and geoalchemy/postgis.py that enables me to the > following: > session.query(session.dialect.wkt(Road.geom)).first() >
Aha found it. Never mind. session.connection().dialect -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@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.
