anchor.diff:  
       {ok, MaxPoolSize} = ?EV(max_count),
       {ok, InitPoolSize} = ?EV(init_count),
  +    {ok, IdleCheck} = ?EVD(idle_check, 10000),
   
       PoolerConfig = [[{name, "sqerl"},
                        {max_count, MaxPoolSize},
  
positive.code: %% Short for "environment value", just provides some sugar for
  %% grabbing config values
  -define(EV(Key), application:get_env(sqerl, Key)).
  
  start(_StartType, _StartArgs) ->
  
      {ok, DbType} = ?EV(db_type),
  
      %% Unsure where this gets used
      {ok, _MetricsModule} = ?EV(metrics_module),
  
      {ok, Host} = ?EV(host),
      {ok, Port} = ?EV(port),
  
negative.code:                                                               {user, User},
                                                                {pass, Password},
                                                                {db, Database},
                                                                {idle_check, IdleCheck},
                                                                {prepared_statement_source, PreparedStatements},
                                                                {column_transforms, ColumnTransforms}]]}}]],
      sqerl_sup:start_link(PoolerConfig).
  