Commit a937a4fa authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
Browse files

Do filesort if handler has the HA_NOT_READ_PREFIX_LAST flag set.

parent 663b983f

mysys/my_symlink.c

+4 −0
Original line number Diff line number Diff line
@@ -115,11 +115,15 @@ int my_realpath(char *to, const char *filename, myf MyFlags) 
      (!lstat(filename,&stat_buff) && S_ISLNK(stat_buff.st_mode)))

  {

    char *ptr;

    DBUG_PRINT("info",("executing realpath"));

    if ((ptr=realpath(filename,buff)))

    {

      strmake(to,ptr,FN_REFLEN-1);

    }

    else

    {

      /* Realpath didn't work;  Use original name */

      DBUG_PRINT("error",("realpath failed with errno: %d", errno));

      my_errno=errno;

      if (MyFlags & MY_WME)

	my_error(EE_REALPATH, MYF(0), filename, my_errno);

sql/sql_select.cc

+1 −1
Original line number Diff line number Diff line
@@ -5577,7 +5577,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, 
	    with key part (A) and then traverse the index backwards.

	  */

	  if (table->file->table_flags() & HA_NOT_READ_PREFIX_LAST)

	    DBUG_RETURN(1);

	    DBUG_RETURN(0);			// Use filesort

	  tab->read_first_record=       join_read_last_key;

	  tab->read_record.read_record= join_read_prev_same;

	  /* fall through */