pgis_geometry_union_finalfn()

Datum pgis_geometry_union_finalfn

(

PG_FUNCTION_ARGS

)

Definition at line 231 of file lwgeom_accum.c.

{
        pgis_abs *p;
        Datum result = 0;
        Datum geometry_array = 0;
 
        if (PG_ARGISNULL(0))
                PG_RETURN_NULL();   /* returns null iff no input values */
 
        p = (pgis_abs*) PG_GETARG_POINTER(0);
 
        geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
        result = PGISDirectFunctionCall1( pgis_union_geometry_array, geometry_array );
        if (!result)
                PG_RETURN_NULL();
 
        PG_RETURN_DATUM(result);
}

References pgis_accum_finalfn(), pgis_union_geometry_array(), and PGISDirectFunctionCall1().

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