PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ LWGEOM_dimension()

Datum LWGEOM_dimension ( PG_FUNCTION_ARGS  )

Definition at line 316 of file lwgeom_ogc.c.

317 {
318  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
319  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
320  int dimension = -1;
321 
322  dimension = lwgeom_dimension(lwgeom);
323  lwgeom_free(lwgeom);
324  PG_FREE_IF_COPY(geom, 0);
325 
326  if ( dimension < 0 )
327  {
328  elog(NOTICE, "Could not compute geometry dimensions");
329  PG_RETURN_NULL();
330  }
331 
332  PG_RETURN_INT32(dimension);
333 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1155
int lwgeom_dimension(const LWGEOM *geom)
For an LWGEOM, returns 0 for points, 1 for lines, 2 for polygons, 3 for volume, and the max dimension...
Definition: lwgeom.c:1298

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

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