Multiple cursors in nested loops in MySQL

Question

I wish to do something which appear a bit complicated in MySQL. In fact, I wish to open a cursor, do a loop, and in this loop, open a second cursor using the data from the previ

Answer 1

Or redefine the CONTINUE HANDLE:

//...
LOOP1: LOOP
      fetch cursor1
      into  v_col1;
      if no_more_rows1 then
         close cursor1;
         leave LOOP1;
      end if;
//...

      SET no_more_rows1=false;//That's new
END LOOP LOOP1;          

It seems that all select statements inside a loop execute the CONTINUE HANDLE