You have this table: id data 3 2 2 1 1 3
This query: SELECT @var, data, @var:=data+(IFNULL(@var,0)) FROM table What would result would you expect the first time you execute the query? I would expect this: NULL, 2, 2 2, 1, 3 3, 3, 6 But this is what you get the first time: NULL, 2, 2 NULL, 1, 1 NULL, 3, 3 and next execution: 3, 2, 5 5, 1, 6 6, 3, 9 Can you explain this? Greetings from Denmark /Stig --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
