PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ 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.
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
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:1389

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

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