CREATE FUNCTION "URX_PUBLIC"."_raster_constraint_nodata_values"(rast raster) 
 RETURNS numeric[] AS 
$BODY$ SELECT array_agg(round(nodatavalue::numeric, 10))::numeric[] FROM "URX_PUBLIC".ST_BandMetaData($1, ARRAY[]::int[]); $BODY$
 LANGUAGE 'sql' IMMUTABLESTRICT ;