result of the test case for FORCE INDEX on ORDER BY
order_by.test:
  test case for FORCE INDEX on ORDER BY
sql_select.cc:
  Changing behaviour that MySQL server takes FORCE INDEX clause into account when optimising ORDER BY clause


sql/sql_select.cc:
  Changing behaviour that MySQL server takes FORCE INDEX clause into account when optimising ORDER BY clause
mysql-test/t/order_by.test:
  test case for FORCE INDEX on ORDER BY
mysql-test/r/order_by.result:
  result of the test case for FORCE INDEX on ORDER BY