Pierre Racine has been diligently working on PostGIS WKT Raster development. He was recently creating an sql function that
uses output parameters.
That was all nice and well, except he couldn't figure out how to output the output parameters as columns.
The function looked something like this:
CREATE FUNCTION somefunction(rast raster, OUT field1 integer, OUT field2 sometype, etc.) AS
$$ blah blah blah $$