On Mon, 4 Nov 2002, Alexander Newald wrote: > Hello, > > I have a table with only ips in it. I want to get all networks the ips > belong to: > > Example: > > 123.123.123.1 > 123.123.132.2 > 123.123.123.3 > 1.1.1.4 > 1.1.1.5 > 1.1.1.6 > 12.12.12.1 > 12.12.12.2 > 12.12.12.10 > > The result should be: > > 123.123.123.0 > 1.1.1.0 > 12.12.12.0 > > Instead of converting on matching row (for example 123.123.123.2) to > 123.123.123.0 it can be left as 123.123.123.2 or even can be truncated to > 123.123.123 > > The table is stored on a 3.23.43 mySQL Server. The table type is varchar(15) > but this can be changed.
Possibly not the most optimized solution, but it functions as requested. select distinct(concat(substring_index(field, '.', 3), '.0')) as network from table order by network; field and table should be replaced with your actual names of course. -- Kip Turk, RHCE [EMAIL PROTECTED] Systems Administrator/Killer of Spam/Writer of Code/Penguin Proponent West Central Net - tel: 915.234.5678 / 800.695.9016 fax: 915.656.0071 -.-. --- -.. . / -- --- -. -.- . -.-- --..-- / .... .- -.-. -.- . .-. --------------------------------------------------------------------- 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