PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ pgis_geometry_clusterintersecting_finalfn()

Datum pgis_geometry_clusterintersecting_finalfn ( PG_FUNCTION_ARGS  )

Definition at line 306 of file lwgeom_accum.c.

References clusterintersecting_garray(), PG_FUNCTION_INFO_V1(), pgis_accum_finalfn(), pgis_geometry_clusterwithin_finalfn(), and PGISDirectFunctionCall1().

Referenced by pgis_geometry_makeline_finalfn().

307 {
308  pgis_abs *p;
309  Datum result = 0;
310  Datum geometry_array = 0;
311 
312  if (PG_ARGISNULL(0))
313  PG_RETURN_NULL();
314 
315  p = (pgis_abs*) PG_GETARG_POINTER(0);
316  geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
317  result = PGISDirectFunctionCall1( clusterintersecting_garray, geometry_array );
318  if (!result)
319  PG_RETURN_NULL();
320 
321  PG_RETURN_DATUM(result);
322 }
Datum pgis_accum_finalfn(pgis_abs *p, MemoryContext mctx, FunctionCallInfo fcinfo)
Datum PGISDirectFunctionCall1(PGFunction func, Datum arg1)
A modified version of PostgreSQL's DirectFunctionCall1 which allows NULL results; this is required fo...
Definition: lwgeom_accum.c:360
Datum clusterintersecting_garray(PG_FUNCTION_ARGS)
To pass the internal ArrayBuildState pointer between the transfn and finalfn we need to wrap it into ...
Definition: lwgeom_accum.c:81
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