anchor.diff:  
   -behavior(gen_server).
   
  --record(state, {purgeList=[]}).
  +-record(state, {
  +                 purgeList=[]               :: list()
  +               , extraFun = undefined       :: any()
  +               , extraHash = undefined      :: any()
  +               , dumpFun = <<"">>           :: binary()
  +               , dumpHash = undefined       :: any()
  +               }
  +       ).
   
   -export([ start_link/1
           ]).
  
positive.code:     MySchema = schema(),
      case Schema of
          MySchema ->
              case Table of
                  ddTable ->  
                      create_physical_table(Table,ColumnInfos,Opts,Owner);
                  ?LOG_TABLE ->   
                      create_physical_table(Table,ColumnInfos,Opts,Owner);
                  _ ->        
                      log_to_db(info,?MODULE,create_table,[{table,Table},{ops,Opts},{owner,Owner}],"create table"),  
                      create_physical_table(Table,ColumnInfos,Opts,Owner)
              end;
          _ ->        ?UnimplementedException({"Create table in foreign schema",{Schema,Table}})
      end;
  create_physical_table(Table,ColumnInfos,Opts,Owner) ->
      case is_valid_table_name(Table) of
  
negative.code:                                         (PartitionEnd >= PurgeEnd) ->
                                              ok;     %% too young, do not purge this file  
                                          true ->                     
                                              ?Info("Purge time partition ~p~n",[Tab]),
                                              % FreedMemory = table_memory(Tab),
                                              % Fields = [{table,Tab},{table_size,table_size(Tab)},{table_memory,FreedMemory}],   
                                              % log_to_db(info,?MODULE,purge_time_partitioned_table,Fields,"purge table"),
                                              drop_table_and_info(Tab)
                                      end
                              end
  