anchor.diff:  	    [S = #enterdb_stab{map = M}] ->
   		mnesia:write(S#enterdb_stab{map = M#{Attr => Val}})
   	end
  -     end || {Shard, _} <- Shards].
  +     end || Shard <- Shards].
   
   do_update_table_attr(Name, Attr, Val) ->
       Fun = fun update_table_attr_fun/3,
  
positive.code: 	     {unicode:charlist(), integer()} |
  	     unicode:charlist()].
  make_index_terms(String, undefined) ->
      [String];
  make_index_terms(String, IndexOptions) ->
      term_prep:analyze(IndexOptions, String).
  
  
negative.code:     case get_tab_def(Name) of
  	#{Attr := Val} ->
  	    ok;
  	#{name := Name, shards := Shards, distributed := Dist} = TD ->
  	    New = set_attr(TD, Attr, Val),
  	    mnesia:write(#enterdb_table{name = Name, map = New}),
  	    ResL = update_shard_attrs(Shards, Dist, Attr, Val),
  	    check_error_response(lists:usort(ResL));
  	{error, "no_table"} ->
  	    ok
      end.
  
  update_shard_attrs(Shards, false, Attr, Val) ->
      update_shard_attrs(Shards, Attr, Val);
  update_shard_attrs(Shards, true, Attr, Val) ->
      List = [Shard || {Shard, _} <- Shards],
      update_shard_attrs(List, Attr, Val).
  
  update_shard_attrs(Shards, Attr, Val) ->
      [begin
  