PostGIS  2.5.7dev-r@@SVN_REVISION@@

◆ LWGEOM_npoints()

Datum LWGEOM_npoints ( PG_FUNCTION_ARGS  )

Definition at line 239 of file lwgeom_functions_basic.c.

240 {
241  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
242  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
243  int npoints = 0;
244 
245  npoints = lwgeom_count_vertices(lwgeom);
246  lwgeom_free(lwgeom);
247 
248  PG_FREE_IF_COPY(geom, 0);
249  PG_RETURN_INT32(npoints);
250 }
lwgeom_from_gserialized
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: g_serialized.c:1530
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
lwgeom_count_vertices
uint32_t lwgeom_count_vertices(const LWGEOM *geom)
Count the total number of vertices in any LWGEOM.
Definition: lwgeom.c:1235

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

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