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MySQL 5.1 Release NotesAbstract

This document contains release notes for the changes in each release of MySQL 5.1, up through MySQL 5.1.73. Forinformation about changes in a different MySQL series, see the release notes for that series.

For additional MySQL 5.1 documentation, see the MySQL 5.1 Reference Manual, which includes an overview offeatures added in MySQL 5.1 (What Is New in MySQL 5.1), and discussion of upgrade issues that you may encounterfor upgrades from MySQL 5.0 to MySQL 5.1 (Changes Affecting Upgrades to 5.1).

Updates to these notes occur as new product features are added, so that everybody can follow the developmentprocess. If a recent version is listed here that you cannot find on the download page (http://dev.mysql.com/downloads/), the version has not yet been released.

The documentation included in source and binary distributions may not be fully up to date with respect to release noteentries because integration of the documentation occurs at release build time. For the most up-to-date release notes,please refer to the online documentation instead.

For legal information, see the Legal Notices.

For help with using MySQL, please visit either the MySQL Forums or MySQL Mailing Lists, where you can discussyour issues with other MySQL users.

For additional documentation on MySQL products, including translations of the documentation into other languages,and downloadable versions in variety of formats, including HTML and PDF formats, see the MySQL DocumentationLibrary.

Document generated on: 2016-09-12 (revision: 9837)

Table of ContentsPreface and Legal Notices ................................................................................................................. 3Changes in MySQL 5.1.73 (2013-12-03) ............................................................................................. 4Changes in MySQL 5.1.72 (2013-09-20) ............................................................................................. 5Changes in MySQL 5.1.71 (2013-08-01) ............................................................................................. 6Changes in MySQL 5.1.70 (2013-06-03) ............................................................................................. 7Changes in MySQL 5.1.69 (2013-04-18) ............................................................................................. 9Changes in MySQL 5.1.68 (2013-02-05) ........................................................................................... 11Changes in MySQL 5.1.67 (2012-12-21) ........................................................................................... 13Changes in MySQL 5.1.66 (2012-09-28) ........................................................................................... 15Changes in MySQL 5.1.65 (2012-08-09) ........................................................................................... 17Changes in MySQL 5.1.64 (Not released) ......................................................................................... 17Changes in MySQL 5.1.63 (2012-05-07) ........................................................................................... 19Changes in MySQL 5.1.62 (2012-03-21) ........................................................................................... 20Changes in MySQL 5.1.61 (2012-01-10) ........................................................................................... 24Changes in MySQL 5.1.60 (2011-11-16) ........................................................................................... 25Changes in MySQL 5.1.59 (2011-09-15) ........................................................................................... 27Changes in MySQL 5.1.58 (2011-07-05) ........................................................................................... 28Changes in MySQL 5.1.57 (2011-05-05) ........................................................................................... 30Changes in MySQL 5.1.56 (2011-03-01) ........................................................................................... 32Changes in MySQL 5.1.55 (2011-02-07) ........................................................................................... 34Changes in MySQL 5.1.54 (2010-11-26) ........................................................................................... 38

http://dev.mysql.com/doc/refman/5.1/en/http://dev.mysql.com/doc/refman/5.1/en/mysql-nutshell.htmlhttp://dev.mysql.com/doc/refman/5.1/en/upgrading-from-previous-series.htmlhttp://dev.mysql.com/downloads/http://dev.mysql.com/downloads/http://forums.mysql.comhttp://lists.mysql.comhttp://dev.mysql.com/dochttp://dev.mysql.com/doc

MySQL 5.1 Release Notes

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Changes in MySQL 5.1.53 (2010-11-03) ........................................................................................... 39Changes in MySQL Enterprise 5.1.52sp1 [QSP] (2011-02-21) ............................................................ 41Changes in MySQL 5.1.52 (2010-10-11) ........................................................................................... 42Changes in MySQL 5.1.51 (2010-09-10) ........................................................................................... 44Changes in MySQL 5.1.50 (2010-08-03) ........................................................................................... 48Changes in MySQL Enterprise 5.1.49sp1 [QSP] (2010-09-28) ............................................................ 50Changes in MySQL 5.1.49 (2010-07-09) ........................................................................................... 50Changes in MySQL 5.1.48 (2010-06-02) ........................................................................................... 53Changes in MySQL 5.1.47 (2010-05-06) ........................................................................................... 56Changes in MySQL Enterprise 5.1.46sp1 [QSP] (2010-06-23) ............................................................ 58Changes in MySQL 5.1.46 (2010-04-06) ........................................................................................... 59Changes in MySQL 5.1.45 (2010-03-01) ........................................................................................... 64Changes in MySQL 5.1.44 (2010-02-04) ........................................................................................... 67Changes in MySQL Enterprise 5.1.43sp1 [QSP] (2010-03-25) ............................................................ 69Changes in MySQL 5.1.43 (2010-01-15) ........................................................................................... 69Changes in MySQL 5.1.42 (2009-12-15) ........................................................................................... 73Changes in MySQL 5.1.41 (2009-11-05) ........................................................................................... 76Changes in MySQL Enterprise 5.1.40sp1 [QSP] (2009-11-25) ............................................................ 83Changes in MySQL 5.1.40 (2009-10-06) ........................................................................................... 84Changes in MySQL 5.1.39 (2009-09-04) ........................................................................................... 88Changes in MySQL 5.1.38 (2009-09-01) ........................................................................................... 91Changes in MySQL Enterprise 5.1.37sp1 [QSP] (2009-10-10) ............................................................ 96Changes in MySQL 5.1.37 (2009-07-13) ........................................................................................... 97Changes in MySQL 5.1.36 (2009-06-16) .......................................................................................... 100Changes in MySQL 5.1.35 (2009-05-13) .......................................................................................... 106Changes in MySQL Enterprise 5.1.34sp1 [QSP] (2009-06-25) .......................................................... 110Changes in MySQL 5.1.34 (2009-04-02) .......................................................................................... 111Changes in MySQL 5.1.33 (2009-03-13) .......................................................................................... 113Changes in MySQL 5.1.32 (2009-02-14) .......................................................................................... 119Changes in MySQL Enterprise 5.1.31sp1 [QSP] (2009-03-19) .......................................................... 122Changes in MySQL 5.1.31 (2009-01-19) .......................................................................................... 123Changes in MySQL 5.1.30 (2008-11-14, General Availability) ........................................................... 132Changes in MySQL 5.1.29 (2008-10-11) .......................................................................................... 133Changes in MySQL 5.1.28 (2008-08-28) .......................................................................................... 137Changes in MySQL 5.1.27 (Not released) ....................................................................................... 142Changes in MySQL 5.1.26 (2008-06-30) .......................................................................................... 143Changes in MySQL 5.1.25 (2008-05-28) .......................................................................................... 144Changes in MySQL 5.1.24 (2008-04-08) .......................................................................................... 147Changes in MySQL 5.1.23 (2008-01-29) .......................................................................................... 165Changes in MySQL 5.1.22 (2007-09-24, Release Candidate) ........................................................... 193Changes in MySQL 5.1.21 (2007-08-16) ....................................