[Gfoss] Riclassificare raster in Postgis
Gino Pirelli
luipir a gmail.com
Lun 7 Apr 2014 23:03:11 CEST
On 7 April 2014 21:57, Romina Di Paolo <romi.dipaolo a gmail.com> wrote:
> ST_MapAlgebra
in http://postgis.net/docs/RT_ST_MapAlgebra.html
Passing a regprocedure argument to a SQL function requires the full
function signature to be passed, then cast to a regprocedure type. To pass
the above example PL/pgSQL function as an argument, the SQL for the
argument is:
'sample_callbackfunc(double precision[], integer[], text[])'::regprocedure
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