anchor.diff:  %% that uses several clauses.
   -spec adhoc_select([binary() | string()], binary() | string(), atom() | tuple(), [] | [atom() | tuple()]) -> sqerl_results().
   adhoc_select(Columns, Table, Where, Clauses) ->
  -    {SQL, Values} = sqerl_adhoc:select(Columns, Table, 
  +    {SQL, Values} = sqerl_adhoc:select(Columns, Table,
                         [{where, Where}|Clauses], param_style()),
       execute(SQL, Values).
   
  
positive.code: 
  %% @doc Returns a function to call via with_db/1.
  %%
  %% Function prepares an insert statement, inserts all the batches and 
  %% remaining rows, unprepares the statement, and returns 
  %% {ok, InsertedCount}.
  %%
  %% We need to use this approach because preparing, inserting,
  
negative.code:     SQL = sqerl_adhoc:insert(Table, Columns, length(RowsValues), param_style()),
      insert_oneshot(Cn, SQL, RowsValues).
  
  %% @doc Insert all rows at once using given
  %% prepared statement or SQL.
  %% Returns {ok, InsertCount}.
  insert_oneshot(_Cn, _StmtOrSQL, []) ->
  