static async Task <IEnumerable <string> > GetReservedWordsAsync(Dialect.Dialect dialect, IConnectionHelper connectionHelper, CancellationToken cancellationToken)
 {
     cancellationToken.ThrowIfCancellationRequested();
     await(connectionHelper.PrepareAsync(cancellationToken)).ConfigureAwait(false);
     try
     {
         var metaData = dialect.GetDataBaseSchema(connectionHelper.Connection);
         return(metaData.GetReservedWords());
     }
     finally
     {
         connectionHelper.Release();
     }
 }