MySQLニュース

MySQL Community Server 5.1.63 がリリースされました

オリジナル版:http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html

最も普及しているオープンソースデータベース管理システムの新バージョンMySQL Community Server 5.1.63がリリースされました。MySQL 5.1.63は、プロダクションシステムでの使用をお勧めします。

MySQL 5.1の新機能の概要については、以下を参照してください。

http://dev.mysql.com/doc/refman/5.1/en/mysql-nutshell.html

新たなサーバにMySQL 5.1.63をインストール、または以前のMySQLリリースからMySQL 5.1.61にアップグレードする際の情報については、以下を参照してください。

http://dev.mysql.com/doc/refman/5.1/en/installing.html

下記のダウンロードページから、MySQLサーバのソースコード及び多数のプラットフォーム用バイナリが入手可能です

http://dev.mysql.com/downloads/

現時点ですべてのミラーサイトが最新であるとは限らないことに注意してください。
あるミラーサイトで本バージョンを見つけることができない場合は、後日再確認を行うか、別のダウンロード・サイトを選択してください。

フィードバック、バグレポート、バグ修正、パッチ等の情報をお待ちしておりますので、以下のページをご利用ください。

http://forge.mysql.com/wiki/Contributing

MySQL 5.1に関するオープンな問題の情報については、以下のエラッタリストを参照してください。

http://dev.mysql.com/doc/refman/5.1/en/open-bugs.html

以下のセクションは、MySQL5.1の前リリース以降のMySQLソースコードの変更を記載しています。これはオンラインでも閲覧可能です:

http://dev.mysql.com/doc/refman/5.1/en/news-5-1-62.html

以下は、追加または変更された機能です。

D.1.1. Changes in MySQL 5.1.63 (7th May, 2012)

Bugs Fixed

* Security Fix: Bug #64884 was fixed.

* Security Fix: Bug #59387 was fixed.

* InnoDB: Deleting a huge amount of data from InnoDB tables
within a short time could cause the purge operation that
flushes data from the buffer pool to stall. If this issue
occurs, restart the server to work around it. This issue is
only likely to occur on 32-bit platforms. (Bug #13847885)

* InnoDB: If the server crashed during a TRUNCATE TABLE or
CREATE INDEX statement for an InnoDB table, or a DROP DATABASE
statement for a database containing InnoDB tables, an index
could be corrupted, causing an error message when accessing
the table after restart:
InnoDB: Error: trying to load index index_name for table
table_name
InnoDB: but the index tree has been freed!
In MySQL 5.1, this fix applies to the InnoDB Plugin, but not
the built-in InnoDB storage engine. (Bug #12861864, Bug
#11766019)

* InnoDB: When data was removed from an InnoDB table, newly
inserted data might not reuse the freed disk blocks, leading
to an unexpected size increase for the system tablespace or
.ibd file (depending on the setting of innodb_file_per_table.
The OPTIMIZE TABLE could compact a .ibd file in some cases but
not others. The freed disk blocks would eventually be reused
as additional data was inserted. (Bug #11766634, Bug #59783)

* Partitioning: After updating a row of a partitioned table and
selecting that row within the same transaction with the query
cache enabled, then performing a ROLLBACK, the same result was
returned by an identical SELECT issued in a new transaction.
(Bug #11761296, Bug #53775)

* Replication: The --relay-log-space-limit option was sometimes
ignored.
More specifically, when the SQL thread went to sleep, it
allowed the I/O thread to queue additional events in such a
way that the relay log space limit was bypassed, and the
number of events in the queue could grow well past the point
where the relay logs needed to be rotated. Now in such cases,
the SQL thread checks to see whether the I/O thread should
rotate and provide the SQL thread a chance to purge the logs
(thus freeing space).
Note that, when the SQL thread is in the middle of a
transaction, it cannot purge the logs; it can only ask for
more events until the transaction is complete. Once the
transaction is finished, the SQL thread can immediately
instruct the I/O thread to rotate. (Bug #12400313, Bug #64503)
References: See also Bug #13806492.

* Mishandling of NO_BACKSLASH_ESCAPES SQL mode within stored
procedures on slave servers could cause replication failures.
(Bug #12601974)

* If the system time was adjusted backward during query
execution, the apparent execution time could be negative. But
in some cases these queries would be written to the slow query
log, with the negative execution time written as a large
unsigned number. Now statements with apparent negative
execution time are not written to the slow query log. (Bug
#63524, Bug #13454045) References: See also Bug #27208.

* mysql_store_result() and mysql_use_result() are not for use
with prepared statements and are not intended to be called
following mysql_stmt_execute(), but failed to return an error
when invoked that way in libmysqld. (Bug #62136, Bug
#13738989) References: See also Bug #47485.

* SHOW statements treated stored procedure, stored function, and
event names as case sensitive. (Bug #56224, Bug #11763507)

* On Windows, mysqlslap crashed for attempts to connect using
shared memory. (Bug #31173, Bug #11747181, Bug #59107, Bug
#11766072)

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