code: public GroovyRowResult firstRow(String sql, Object[] params) throws SQLException {
          return firstRow(sql, Arrays.asList(params));
      }
docs: Performs the given SQL query and return the first row of the result set.
  <p>
  An Object array variant of {@link #firstRow(String, List)}.
  <p>
  This method supports named and named ordinal parameters by supplying such
  parameters in the <code>params</code> array. See the class Javadoc for more details.
  
  @param sql    the SQL statement
  @param params an array of parameters
  @return a GroovyRowResult object or <code>null</code> if no row is found
  @throws SQLException if a database access error occurs