PostGIS  3.6.1dev-r@@SVN_REVISION@@

◆ LWGEOM_dimension()

Datum LWGEOM_dimension ( PG_FUNCTION_ARGS  )

Definition at line 442 of file lwgeom_ogc.c.

443 {
444  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
445  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
446  int dimension = -1;
447 
448  dimension = lwgeom_dimension(lwgeom);
449  lwgeom_free(lwgeom);
450  PG_FREE_IF_COPY(geom, 0);
451 
452  if ( dimension < 0 )
453  {
454  elog(NOTICE, "Could not compute geometry dimensions");
455  PG_RETURN_NULL();
456  }
457 
458  PG_RETURN_INT32(dimension);
459 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:268
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1218
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:1361

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

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