PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ ST_SharedPaths()

Datum ST_SharedPaths ( PG_FUNCTION_ARGS  )

Definition at line 3227 of file postgis/lwgeom_geos.c.

References geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_sharedpaths(), PG_FUNCTION_INFO_V1(), and ST_Node().

Referenced by ST_Split().

3228 {
3229  GSERIALIZED *geom1, *geom2, *out;
3230  LWGEOM *g1, *g2, *lwgeom_out;
3231 
3232  geom1 = PG_GETARG_GSERIALIZED_P(0);
3233  geom2 = PG_GETARG_GSERIALIZED_P(1);
3234 
3235  g1 = lwgeom_from_gserialized(geom1);
3236  g2 = lwgeom_from_gserialized(geom2);
3237 
3238  lwgeom_out = lwgeom_sharedpaths(g1, g2);
3239  lwgeom_free(g1);
3240  lwgeom_free(g2);
3241 
3242  if ( ! lwgeom_out )
3243  {
3244  PG_FREE_IF_COPY(geom1, 0);
3245  PG_FREE_IF_COPY(geom2, 1);
3246  PG_RETURN_NULL();
3247  }
3248 
3249  out = geometry_serialize(lwgeom_out);
3250  lwgeom_free(lwgeom_out);
3251 
3252  PG_FREE_IF_COPY(geom1, 0);
3253  PG_FREE_IF_COPY(geom2, 1);
3254  PG_RETURN_POINTER(out);
3255 }
LWGEOM * lwgeom_sharedpaths(const LWGEOM *geom1, const LWGEOM *geom2)
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
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