anchor.diff:  transform_table_layout(Tab, Xforms, Old_rec_def, New_rec_def) ->
       schematool_transform:table(Tab, Xforms, Old_rec_def, New_rec_def).
       
  +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +
  +copy_table(Tab0, Tab1) ->
  +    schematool_table:copy_table(Tab0, Tab1).
  +
  +lossy_copy_table(Coll, Tab0, Tab1) ->
  +    schematool_table:lossy_copy_table(Coll, Tab0, Tab1).
  +
  
positive.code: -export(
     [create_schema/2,
      delete_schema/1,
      transform_table_layout/3,
      transform_table_layout/4
     ]).
  
  %% Create schema on Node.
  %% - Note that mnesia is a bit finicky, requires
  
negative.code: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %%
  %% UNFINISHED
  %% - just generate direct calls to schematool_transform?
  %% - maybe we should put schematool_transform:table in new runtime lib?
  %%   (e.g., compute schema diff at one node, run it on others)
  
  