pascal, Friday, March 29, 2002, 2:53:23 PM, you wrote: pbln> in mysql 3.23.45
pbln> I have a numeric field N with null values allowed and null pbln> values in some rows of the database pbln> when i ask select sum(N) from table pbln> the result is the sum of non null values (like if null values pbln> converted to zero) and not "null" as expected for a sum of pbln> values with null in it. pbln> is it a bug ? Null is an unidentified value, but MySQL will store 0 or ''. You can read about it at: http://www.mysql.com/doc/B/u/Bugs.html pbln> thanks -- For technical support contracts, goto https://order.mysql.com/ This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- 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
