* Paul DuBois > At 15:23 +0100 3/26/02, Tino Didriksen wrote: > >Question about the CHAR to VARCHAR conversion of: > >http://www.mysql.com/doc/S/i/Silent_column_changes.html > > > >Now, I can see the logic in changing most CHAR to VARCHAR if > they are long > >and variable sized. > >I have a column that is VARCHAR(32). I use it to store MD5 hash > values. MD5 > >hashes are always 32 byte. > >In other words, that's 1 byte wasted because it's VARCHAR. > > > >With 2500 entries and more on the way, that's at least 2500 byte wasted. > > > >Is there no way to enforce a column type around the silent changes? > > No. It makes no sense to do so.
well... even if 2500 bytes is insignificant, I think his question makes sense... The only way I know to enforce CHAR is to make sure all other columns in the table are of fixed size types... ie not *TEXT, *BLOB or VARCHAR. -- Roger query --------------------------------------------------------------------- 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
