code: public static <V> V sqlExecute(final SqlFunction<V> functional)
     {
        return new SqlClosure<V>() {
           @Override
           public V execute(Connection connection) throws SQLException
           {
              return functional.execute(connection);
           }
        }.execute();
     }
docs: Execute a lambda {@code SqlFunction} closure.
  
  @param functional the lambda function
  @param <V> the result type
  @return the result specified by the lambda
  @since 2.5