PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ LWGEOM_dimension()

Datum LWGEOM_dimension ( PG_FUNCTION_ARGS  )

Definition at line 310 of file lwgeom_ogc.c.

311 {
312  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
313  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
314  int dimension = -1;
315 
316  dimension = lwgeom_dimension(lwgeom);
317  lwgeom_free(lwgeom);
318  PG_FREE_IF_COPY(geom, 0);
319 
320  if ( dimension < 0 )
321  {
322  elog(NOTICE, "Could not compute geometry dimensions");
323  PG_RETURN_NULL();
324  }
325 
326  PG_RETURN_INT32(dimension);
327 }
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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