PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ pgis_geometry_clusterintersecting_finalfn()

Datum pgis_geometry_clusterintersecting_finalfn ( PG_FUNCTION_ARGS  )

Definition at line 332 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().

333 {
334  pgis_abs *p;
335  Datum result = 0;
336  Datum geometry_array = 0;
337 
338  if (PG_ARGISNULL(0))
339  PG_RETURN_NULL();
340 
341  p = (pgis_abs*) PG_GETARG_POINTER(0);
342  geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
343  result = PGISDirectFunctionCall1( clusterintersecting_garray, geometry_array );
344  if (!result)
345  PG_RETURN_NULL();
346 
347  PG_RETURN_DATUM(result);
348 }
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:386
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:107
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