PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ pgis_geometry_clusterwithin_finalfn()

Datum pgis_geometry_clusterwithin_finalfn ( PG_FUNCTION_ARGS  )

Definition at line 308 of file lwgeom_accum.c.

309 {
311  Datum result = 0;
312  Datum geometry_array = 0;
313 
314  if (PG_ARGISNULL(0))
315  PG_RETURN_NULL();
316 
317  p = (CollectionBuildState*) PG_GETARG_POINTER(0);
318 
319  if (!p->data[0])
320  {
321  elog(ERROR, "Tolerance not defined");
322  PG_RETURN_NULL();
323  }
324 
325  geometry_array = pgis_accum_finalfn(p, CurrentMemoryContext, fcinfo);
327  if (!result)
328  PG_RETURN_NULL();
329 
330  PG_RETURN_DATUM(result);
331 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:267
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:382
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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