PostGIS  2.5.0beta1dev-r@@SVN_REVISION@@

◆ LWGEOM_isempty()

Datum LWGEOM_isempty ( PG_FUNCTION_ARGS  )

Definition at line 1799 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().

1800 {
1801  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
1802  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
1803  bool empty = lwgeom_is_empty(lwgeom);
1804 
1805  lwgeom_free(lwgeom);
1806  PG_FREE_IF_COPY(geom, 0);
1807  PG_RETURN_BOOL(empty);
1808 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
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:1393
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