Hi!

InnoDB is a MySQL table type which provides transactions, foreign key
constraints, and a non-free Hot Backup tool.

InnoDB is included in MySQL-Max-3.23.56 which you can download from
http://www.mysql.com/downloads/mysql-3.23.html.

MySQL-Max-3.23 is the stable version which is recommended for production
use.


The changelog for InnoDB-3.23.56:

* Fixed a major bug in InnoDB query optimization: SQL queries of type SELECT
... WHERE indexcolumn < x and SELECT ... WHERE indexcolumn > x could cause a
table scan even if the selectivity would have been very good.

* Fixed a potential bug if MySQL calls store_lock with TL_IGNORE in the
middle of a query.

* An outstanding bug: MySQL can erroneously return 'Empty set' if InnoDB
estimates an index range size to 0 records though the range is not empty;
MySQL also fails to do the next-key locking in the case of an empty index
range. Fixed in 3.23.57.

* An outstanding bug: GROUP BY or DISTINCT may fail to group all NULLs to
the same group. Fixed in 3.23.57.

Best regards,

Heikki
Innobase Oy
http://www.innodb.com
Read the up-to-date InnoDB manual at http://www.innodb.com/ibman.html


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