• unknown's avatar
    Implement ORDER BY DESC optimization, which reads values in descending · 3e6f87ce
    unknown authored
    order directly from the index instead of using a filesort.
    
    
    mysql-test/mysql-test-run.sh:
      [ -n $SKIP_TEST ] --> [ -n "$SKIP_TEST" ]; portability fix
    mysql-test/r/order_by.result:
      Added test for ORDER BY DESC optimization
    mysql-test/t/order_by.test:
      Added test for ORDER BY DESC optimization
    sql/opt_range.cc:
      Added QUICK_SELECT_DESC class which implements ORDER BY DESC optimization.
    sql/opt_range.h:
      Added QUICK_SELECT_DESC class which implements ORDER BY DESC optimization.
    sql/sql_select.cc:
      Added QUICK_SELECT_DESC class which implements ORDER BY DESC optimization.
    BitKeeper/etc/ignore:
      Added .gdbinit .vimrc to the ignore list
    BitKeeper/etc/logging_ok:
      Logging to logging@openlogging.org accepted
    3e6f87ce
order_by.result 1.9 KB