[Qgis-developer] PostGIS Manager

[Paolo Cavallini]

Hi all.
The SQL query fails to show the muneric results in cases like this:

SELECT round(ST_Perimeter(the_geom)::numeric,2)
FROM province;

Any explanation? Perhaps the :: type cast is not well understood?
All the best.
-- 
Paolo Cavallini: http://www.faunalia.it/pc