Changes in release 3.23.47
--------------------------
* Fixed in when using the following construct: `SELECT ... WHERE
key=@var_name OR $key=@var_name2'
* Restrict InnoDB keys to 500 bytes.
* InnoDB now supports `NULL' in keys.
* Fixed shutdown problem on HPUX. (Introduced in 3.23.46)
* Fixed core-dump bug in replication when using SELECT
RELEASE_LOCK();
* Added new command: `DO expression,[expression]'
* Added `slave-skip-errors' option
* Added statistics variables for all MySQL commands. (`SHOW STATUS'
is now much longer).
* Fixed default values for InnoDB tables.
* Fixed that `GROUP BY expr DESC' works.
* Fixed bug when using `t1 LEFT JOIN t2 ON t2.key=constant'.
* `mysql_config' now also work with binary (relocated) distributions.