--- John Stanton <[EMAIL PROTECTED]> wrote:
> Try looking at the SORT opcode.  You can track it through the Sqlite source.

OP_Sort doesn't sort any longer. 
It just does a rewind on the cursor.

/* Opcode: Sort P1 P2 *
**
** This opcode does exactly the same thing as OP_Rewind except that
** it increments an undocumented global variable used for testing.
**
** Sorting is accomplished by writing records into a sorting index,
** then rewinding that index and playing it back from beginning to
** end.  We use the OP_Sort opcode instead of OP_Rewind to do the
** rewinding so that the global variable will be incremented and
** regression tests can determine whether or not the optimizer is
** correctly optimizing out sorts.
*/



      
____________________________________________________________________________________
Shape Yahoo! in your own image.  Join our Network Research Panel today!   
http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7 



-----------------------------------------------------------------------------
To unsubscribe, send email to [EMAIL PROTECTED]
-----------------------------------------------------------------------------

Reply via email to