LWGEOM_dimension()

Datum LWGEOM_dimension

(

PG_FUNCTION_ARGS

)

Definition at line 302 of file lwgeom_ogc.c.

References lwgeom_dimension(), LWGEOM_exteriorring_polygon(), lwgeom_free(), lwgeom_from_gserialized(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_geometryn_collection().

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
        int dimension = -1;

        dimension = lwgeom_dimension(lwgeom);
        lwgeom_free(lwgeom);
        PG_FREE_IF_COPY(geom, 0);

        if ( dimension < 0 )
        {
                elog(NOTICE, "Could not compute geometry dimensions");
                PG_RETURN_NULL();
        }

        PG_RETURN_INT32(dimension);
}

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