D.3.31 Modifications de la version 3.21.5

• Should now work with FreeBSD 3.0 if used with `FreeBSD-3.0-libc_r-1.0.diff', which can be found at http://www.mysql.com/Download/Patches.
• Added new option -O tmp_table_size=# to mysqld.
• New function FROM_UNIXTIME(timestamp) which returns a date string in 'YYYY-MM-DD HH:MM:DD' format.
• New function SEC_TO_TIME(seconds) which returns a string in 'HH:MM:SS' format.
• New function SUBSTRING_INDEX(), originally by Zeev Suraski.