MySQL 4.1.9 has been released

Hi,

MySQL 4.1.9, a new version of the popular Open Source/Free Software
Database Management System has been released. It is now available in source
and binary form for a number of platforms from our download pages at
http://dev.mysql.com/downloads/ and mirror sites.

Note that not all mirror sites may be up-to-date at this point. If you
cannot find this version on a particular mirror, please try again later or
choose another download site.

This is a bug fix release for the current production series.

Please refer to our bug database at http://bugs.mysql.com/ for more details
about the individual open and resolved bugs in this version.

Changes in release 4.1.9:

   Functionality added or changed:
     * The naming scheme of the Windows installation packages has changed
       slightly:
          + The platform suffix was changed from -win to -win32
          + The product descriptions -noinstall and -essential have been
            moved in front of the version number
       Examples: `mysql-essential-4.1.9-win32.msi',
       `mysql-noinstall-4.1.9-win32.zip' See section 2.3 Installing MySQL
       on Windows.
     * The Mac OS X 10.3 installation disk images now include a MySQL
       Preference Pane for the Mac OS X Control Panel that enables the
       user to start and stop the MySQL server via the GUI and activate
       and deactivate the automatic MySQL server startup on bootup.
     * Seconds_Behind_Master will be NULL (which means ``unknown'') if
       the slave SQL thread is not running, or if the slave I/O thread is
       not running or not connected to master. It will be zero if the SQL
       thread has caught up with the I/O thread. It no longer grows
       indefinitely if the master is idle.
     * InnoDB: Do not acquire an internal InnoDB table lock in LOCK
       TABLES if AUTOCOMMIT=1. This helps in porting old MyISAM
       applications to InnoDB. InnoDB table locks in that case caused
       deadlocks very easily.
     * InnoDB: Print a more descriptive error and refuse to start InnoDB
       if the size of `ibdata' files is smaller than what is stored in
       the tablespace header; innodb_force_recovery overrides this.
     * The MySQL server aborts immediately instead of simply issuing a
       warning if it is started with the --log-bin option but cannot
       initialize the binary log at startup (that is, an error occurs
       when writing to the binary log file or binary log index file).
     * The binary log file and binary log index file now behave like
       MyISAM when there is a "disk full" or "quota exceeded" error. See
       section 4.3 How MySQL Handles a Full Disk.
     * New implementation of shared memory transporter (for Cluster).
     * Cluster will automatically configure shared memory transporter if
       possible.
     * Cluster will prioritize usage of transporters with shared memory
       and localhost TCP
     * Added switches to control the above functions, ndb-shm and
       ndb-optimized-node-selection.

   Bugs fixed:
     * InnoDB: Fixed the *critical bug* if you enabled
       innodb_file_per_table in `my.cnf'. If you shut down mysqld,
       records could disappear from the secondary indexes of a table.
       (Bug #7496)
     * InnoDB: Fixed a bug: 32-bit mysqld binaries built on HP-UX-11 did
       not work with InnoDB files greater than 2 GB in size. (Bug #6189)
     * InnoDB: Return a sensible error code from DISCARD TABLESPACE if it
       fails because the table is referenced by a FOREIGN KEY.
     * InnoDB: Fixed a bug: InnoDB failed to drop a table in the
       background drop queue if the table was referenced by a FOREIGN KEY
       constraint.
     * InnoDB: Fixed a bug: if we dropped a table where an INSERT was
       waiting for a lock to check a FOREIGN KEY constraint, then an
       assertion would fail in lock_reset_all_on_table().
     * InnoDB: Fix a little bug: we looked at the physical size of a
       stored SQL NULL value from a wrong field in the index; this has
       probably caused no bugs visible to the user. It caused only some
       extra space to be used in some rare cases.
     * InnoDB: Use the fcntl() file flush method on Mac OS X versions
       10.3 and up. Apple had disabled fsync() in Mac OS X for internal
       disk drives, which caused corruption at power outages.
     * mysqladmin password now checks whether the server has
       --old-passwords turned on or predates 4.1 and uses the old-format
       password if so. (Bug #7451)
     * Added a --default-character-set option to mysqladmin to avoid
       problems when the default character set is not latin1. (Bug #7524)
     * Fix a problem with truncation of FLOAT values. (Bug #7361)
     * Fixed a bug in PROCEDURE ANALYSE(), which did not quote some ENUM
       values properly. (Bug #2813)
     * Fixed a bug that caused incorrect results for complex datetime
       expressions containing casts of datetime values to TIME or DATE
       values. (Bug #6914)
     * Include compression library flags in the output from mysql_config
       --lib_r. (Bug #7021)
     * Corrected a problem with mysql_config not producing all relevant
       flags from CFLAGS. (Bug #6964)
     * Corrected a problem with mysqld_safe not properly capturing output
       from ps. (Bug #5878)
     * Fixed a bug that caused a linking failure when linking both the
       MySQL client library and IMAP library. (Bug #7428)
     * Fixed a bug that caused microseconds to be gobbled from the string
       result of the STR_TO_DATE function, if there is some other
       specifier in the format string following %f. (Bugs #7458)
     * Made the MySQL server accept executing SHOW CREATE DATABASE even
       if the connection has an open transaction or locked tables.
       Refusing it made mysqldump --single-transaction sometimes fail to
       print a complete CREATE DATABASE statement for some dumped
       databases. (Bug #7358)
     * Fixed that, when encountering a ``disk full'' or ``quota
       exceeded'' write error, MyISAM sometimes didn't sleep and retry
       the write, thus resulting in a corrupted table. (Bug #7714)
     * Fixed that --expire-log-days was not honored if using only
       transactions. (Bug #7236)
     * Fixed that a slave could crash after replicating many ANALYZE
       TABLE, OPTIMIZE TABLE, or REPAIR TABLE statements from the master.
       (Bug #6461, Bug #7658)
     * ndb_restore fails to handle blobs and multiple databases (Bug #7379)
     * ndb_restore enters infinite loop (Bug #7346)
     * ndb_mgmd is aborted on startup when using SHM connection (Bug #7124)

Enjoy!

   Matt

-- 
Matt Wagner, Production Engineer
MySQL AB, www.mysql.com
Northfield, MN, USA



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