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

Definition at line 3330 of file postgis/lwgeom_geos.c.

References error_if_srid_mismatch(), geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_split(), and LWGEOM::srid.

3331 {
3332  GSERIALIZED *in, *blade_in, *out;
3333  LWGEOM *lwgeom_in, *lwblade_in, *lwgeom_out;
3334 
3335  in = PG_GETARG_GSERIALIZED_P(0);
3336  lwgeom_in = lwgeom_from_gserialized(in);
3337 
3338  blade_in = PG_GETARG_GSERIALIZED_P(1);
3339  lwblade_in = lwgeom_from_gserialized(blade_in);
3340 
3341  error_if_srid_mismatch(lwgeom_in->srid, lwblade_in->srid);
3342 
3343  lwgeom_out = lwgeom_split(lwgeom_in, lwblade_in);
3344  lwgeom_free(lwgeom_in);
3345  lwgeom_free(lwblade_in);
3346 
3347  if ( ! lwgeom_out )
3348  {
3349  PG_FREE_IF_COPY(in, 0); /* possibly referenced by lwgeom_out */
3350  PG_FREE_IF_COPY(blade_in, 1);
3351  PG_RETURN_NULL();
3352  }
3353 
3354  out = geometry_serialize(lwgeom_out);
3355  lwgeom_free(lwgeom_out);
3356  PG_FREE_IF_COPY(in, 0); /* possibly referenced by lwgeom_out */
3357  PG_FREE_IF_COPY(blade_in, 1);
3358 
3359  PG_RETURN_POINTER(out);
3360 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1137
void error_if_srid_mismatch(int srid1, int srid2)
Definition: lwutil.c:338
int32_t srid
Definition: liblwgeom.h:398
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
LWGEOM * lwgeom_split(const LWGEOM *lwgeom_in, const LWGEOM *blade_in)

Here is the call graph for this function: