/// <summary>
 /// Creates the O auth token table if needed.
 /// </summary>
 /// <param name="db">The db.</param>
 private void CreateOAuthTokenTableIfNeeded(DapperContext db)
 {
     if (!db.TableExists(OAuthTokenTableName))
     {
         db.ExecuteSchema(
             string.Format(
                 "create table {0} (Secret varchar(128) not null, Token varchar(128) not null primary key)",
                 this.OAuthTokenTableName));
     }
 }