PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ 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.
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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