LWGEOM_nrings()

Datum LWGEOM_nrings

(

PG_FUNCTION_ARGS

)

Definition at line 255 of file lwgeom_functions_basic.c.

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
        int nrings = 0;
 
        nrings = lwgeom_count_rings(lwgeom);
        lwgeom_free(lwgeom);
 
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_INT32(nrings);
}

References lwgeom_count_rings(), lwgeom_free(), and lwgeom_from_gserialized().

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