PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ pgis_geometry_clusterwithin_finalfn()

Datum pgis_geometry_clusterwithin_finalfn ( PG_FUNCTION_ARGS  )

Definition at line 309 of file lwgeom_accum.c.

310 {
312  Datum result = 0;
313  Datum geometry_array = 0;
314 
315  if (PG_ARGISNULL(0))
316  PG_RETURN_NULL();
317 
318  p = (CollectionBuildState*) PG_GETARG_POINTER(0);
319 
320  if (!p->data[0])
321  {
322  elog(ERROR, "Tolerance not defined");
323  PG_RETURN_NULL();
324  }
325 
326  geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
328  if (!result)
329  PG_RETURN_NULL();
330 
331  PG_RETURN_DATUM(result);
332 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:262
Datum cluster_within_distance_garray(PG_FUNCTION_ARGS)
Datum pgis_accum_finalfn(CollectionBuildState *state, MemoryContext mctx, FunctionCallInfo fcinfo)
Datum PGISDirectFunctionCall2(PGFunction func, Datum arg1, Datum arg2)
A modified version of PostgreSQL's DirectFunctionCall2 which allows NULL results; this is required fo...
Definition: lwgeom_accum.c:391
Datum data[CollectionBuildStateDataSize]
Definition: lwgeom_accum.h:39

References cluster_within_distance_garray(), CollectionBuildState::data, pgis_accum_finalfn(), PGISDirectFunctionCall2(), and result.

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