code: public int executeUpdate(Map params, String sql) throws SQLException {
          return executeUpdate(sql, singletonList(params));
      }
docs: A variant of {@link #executeUpdate(String, java.util.List)}
  useful when providing the named parameters as named arguments.
  
  @param params a map containing the named parameters
  @param sql    the SQL statement
  @return the number of rows updated or 0 for SQL statements that return nothing
  @throws SQLException if a database access error occurs
  @since 1.8.7