PostGIS  2.3.7dev-r@@SVN_REVISION@@
Datum ST_Split ( PG_FUNCTION_ARGS  )

Definition at line 3408 of file postgis/lwgeom_geos.c.

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

3409 {
3410  GSERIALIZED *in, *blade_in, *out;
3411  LWGEOM *lwgeom_in, *lwblade_in, *lwgeom_out;
3412 
3413  in = PG_GETARG_GSERIALIZED_P(0);
3414  lwgeom_in = lwgeom_from_gserialized(in);
3415 
3416  blade_in = PG_GETARG_GSERIALIZED_P(1);
3417  lwblade_in = lwgeom_from_gserialized(blade_in);
3418 
3419  error_if_srid_mismatch(lwgeom_in->srid, lwblade_in->srid);
3420 
3421  lwgeom_out = lwgeom_split(lwgeom_in, lwblade_in);
3422  lwgeom_free(lwgeom_in);
3423  lwgeom_free(lwblade_in);
3424 
3425  if ( ! lwgeom_out )
3426  {
3427  PG_FREE_IF_COPY(in, 0); /* possibly referenced by lwgeom_out */
3428  PG_FREE_IF_COPY(blade_in, 1);
3429  PG_RETURN_NULL();
3430  }
3431 
3432  out = geometry_serialize(lwgeom_out);
3433  lwgeom_free(lwgeom_out);
3434  PG_FREE_IF_COPY(in, 0); /* possibly referenced by lwgeom_out */
3435  PG_FREE_IF_COPY(blade_in, 1);
3436 
3437  PG_RETURN_POINTER(out);
3438 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1063
void error_if_srid_mismatch(int srid1, int srid2)
Definition: lwutil.c:369
int32_t srid
Definition: liblwgeom.h:398
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
LWGEOM * lwgeom_split(const LWGEOM *lwgeom_in, const LWGEOM *blade_in)

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