PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ LWGEOM_isempty()

Datum LWGEOM_isempty ( PG_FUNCTION_ARGS  )

Definition at line 1759 of file lwgeom_functions_basic.c.

References dumpnode::geom, lwgeom_free(), lwgeom_from_gserialized(), lwgeom_is_empty(), LWGEOM_segmentize2d(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_envelope().

1760 {
1761  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
1762  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
1763  bool empty = lwgeom_is_empty(lwgeom);
1764 
1765  lwgeom_free(lwgeom);
1766  PG_FREE_IF_COPY(geom, 0);
1767  PG_RETURN_BOOL(empty);
1768 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1050
LWGEOM * geom
int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members) ...
Definition: lwgeom.c:1297
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