PostGIS  3.2.2dev-r@@SVN_REVISION@@

◆ ST_Node()

Datum ST_Node ( PG_FUNCTION_ARGS  )

Definition at line 3374 of file postgis/lwgeom_geos.c.

3375 {
3376  GSERIALIZED *geom1, *out;
3377  LWGEOM *g1, *lwgeom_out;
3378 
3379  geom1 = PG_GETARG_GSERIALIZED_P(0);
3380 
3381  g1 = lwgeom_from_gserialized(geom1);
3382 
3383  lwgeom_out = lwgeom_node(g1);
3384  lwgeom_free(g1);
3385 
3386  if ( ! lwgeom_out )
3387  {
3388  PG_FREE_IF_COPY(geom1, 0);
3389  PG_RETURN_NULL();
3390  }
3391 
3392  out = geometry_serialize(lwgeom_out);
3393  lwgeom_free(lwgeom_out);
3394 
3395  PG_FREE_IF_COPY(geom1, 0);
3396  PG_RETURN_POINTER(out);
3397 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
LWGEOM * lwgeom_node(const LWGEOM *lwgeom_in)
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138

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

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