PostGIS  2.5.0dev-r@@SVN_REVISION@@
Datum LWGEOM_nrings ( PG_FUNCTION_ARGS  )

Definition at line 251 of file lwgeom_functions_basic.c.

References dumpnode::geom, lwgeom_count_rings(), lwgeom_free(), and lwgeom_from_gserialized().

252 {
253  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
254  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
255  int nrings = 0;
256 
257  nrings = lwgeom_count_rings(lwgeom);
258  lwgeom_free(lwgeom);
259 
260  PG_FREE_IF_COPY(geom, 0);
261  PG_RETURN_INT32(nrings);
262 }
uint32_t lwgeom_count_rings(const LWGEOM *geom)
Count the total number of rings in any LWGEOM.
Definition: lwgeom.c:1338
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1137
LWGEOM * geom

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