PostGIS  2.1.10dev-r@@SVN_REVISION@@
Datum LWGEOM_length_linestring ( PG_FUNCTION_ARGS  )

Definition at line 288 of file lwgeom_functions_basic.c.

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

289 {
290  GSERIALIZED *geom = (GSERIALIZED *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
291  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
292  double dist = lwgeom_length(lwgeom);
293  lwgeom_free(lwgeom);
294  PG_FREE_IF_COPY(geom, 0);
295  PG_RETURN_FLOAT8(dist);
296 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1006
LWGEOM * geom
double lwgeom_length(const LWGEOM *geom)
Definition: lwgeom.c:1566

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