pgis_geometry_clusterwithin_finalfn()

Datum pgis_geometry_clusterwithin_finalfn

(

PG_FUNCTION_ARGS

)

Definition at line 309 of file lwgeom_accum.c.

{
        CollectionBuildState *p;
        Datum result = 0;
        Datum geometry_array = 0;
 
        if (PG_ARGISNULL(0))
                PG_RETURN_NULL();
 
        p = (CollectionBuildState*) PG_GETARG_POINTER(0);
 
        if (!p->data[0])
        {
                elog(ERROR, "Tolerance not defined");
                PG_RETURN_NULL();
        }
 
        geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
        result = PGISDirectFunctionCall2( cluster_within_distance_garray, geometry_array, p->data[0]);
        if (!result)
                PG_RETURN_NULL();
 
        PG_RETURN_DATUM(result);
}

References cluster_within_distance_garray(), CollectionBuildState::data, pgis_accum_finalfn(), PGISDirectFunctionCall2(), and result.

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