LWGEOM_numpatches()

Datum LWGEOM_numpatches

(

PG_FUNCTION_ARGS

)

Definition at line 294 of file lwgeom_ogc.c.

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        LWGEOM *lwgeom;
        int32 ret = 0;
 
        lwgeom = lwgeom_from_gserialized(geom);
 
        if (!lwgeom_has_patches(lwgeom))
        {
                lwgeom_free(lwgeom);
                PG_FREE_IF_COPY(geom, 0);
                elog(ERROR, "ST_NumPatches only supports TIN and PolyhedralSurface geometries");
        }
 
        ret = lwgeom_count_geometries(lwgeom, true);
 
        lwgeom_free(lwgeom);
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_INT32(ret);
}

References lwgeom_count_geometries(), lwgeom_free(), lwgeom_from_gserialized(), and lwgeom_has_patches().

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