MySQL Manual | D.4.39 Changes in release 3.23.21

Added mysql_character_set_name() function to the MySQL C API.
Made the update log ASCII 0 safe.
Added the mysql_config script.
Fixed problem when using < or > with a char column that was only partly indexed.
One would get a core dump if the log file was not readable by the MySQL user.
Changed mysqladmin to use CREATE DATABASE and DROP DATABASE statements instead of the old deprecated API calls.
Fixed chown warning in safe_mysqld.
Fixed a bug in ORDER BY that was introduced in 3.23.19.
Only optimise the DELETE FROM tbl_name to do a drop+create of the table if we are in AUTOCOMMIT mode (needed for BDB tables).
Added extra checks to avoid index corruption when the ISAM/MyISAM index files get full during an INSERT/UPDATE.
myisamchk didn't correctly update row checksum when used with -ro (this only gave a warning in subsequent runs).
Fixed bug in REPAIR TABLE so that it works with tables without indexes.
Fixed buffer overrun in DROP DATABASE.
LOAD TABLE FROM MASTER is sufficiently bug-free to announce it as a feature.
MATCH and AGAINST are now reserved words.

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