PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ ST_Node()

Datum ST_Node ( PG_FUNCTION_ARGS  )

Definition at line 3443 of file postgis/lwgeom_geos.c.

3444 {
3445  GSERIALIZED *geom1, *out;
3446  LWGEOM *g1, *lwgeom_out;
3447 
3448  geom1 = PG_GETARG_GSERIALIZED_P(0);
3449 
3450  g1 = lwgeom_from_gserialized(geom1);
3451 
3452  lwgeom_out = lwgeom_node(g1);
3453  lwgeom_free(g1);
3454 
3455  if ( ! lwgeom_out )
3456  {
3457  PG_FREE_IF_COPY(geom1, 0);
3458  PG_RETURN_NULL();
3459  }
3460 
3461  out = geometry_serialize(lwgeom_out);
3462  lwgeom_free(lwgeom_out);
3463 
3464  PG_FREE_IF_COPY(geom1, 0);
3465  PG_RETURN_POINTER(out);
3466 }
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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