PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ LWGEOM_dimension()

Datum LWGEOM_dimension ( PG_FUNCTION_ARGS  )

Definition at line 311 of file lwgeom_ogc.c.

312 {
313  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
314  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
315  int dimension = -1;
316 
317  dimension = lwgeom_dimension(lwgeom);
318  lwgeom_free(lwgeom);
319  PG_FREE_IF_COPY(geom, 0);
320 
321  if ( dimension < 0 )
322  {
323  elog(NOTICE, "Could not compute geometry dimensions");
324  PG_RETURN_NULL();
325  }
326 
327  PG_RETURN_INT32(dimension);
328 }
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:1138
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:1281

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

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