MySQL 5.5.44 发布，此版本主要是 bug 修复：
InnoDB; Partitioning：The CREATE_TIME column of the INFORMATION_SCHEMA.TABLES table now
shows the correct table creation time for partitioned InnoDB tables. The CREATE_TIME column of the INFORMATION_SCHEMA.PARTITIONS table now shows the correct partition creation time for a partition of
partitioned InnoDB tables. The UPDATE_TIME column of the INFORMATION_SCHEMA.TABLES table now shows when a partitioned InnoDB table was last updated by an INSERT, DELETE, or UPDATE. The UPDATE_TIME column of the INFORMATION_SCHEMA.PARTITIONS table now shows when a partition of a partitioned InnoDB
table was last updated. (Bug #69990, Bug #17299181) InnoDB:
An assertion was raised on shutdown due to XA PREPARE
transactions holding explicit locks.
(Bug #20816223) InnoDB:
Removal of a foreign key object from the data dictionary cache during
error handling caused the server to exit. (Bug #20442523) InnoDB:
SHOW ENGINE INNODB STATUS output showed negative reservation and signal count values due to a counter
overflow error.
(Bug #20417397) InnoDB:
Estimates that were too low for the size of merge chunks in the result sorting algorithm caused a server exit. (Bug #20049521) SHOW VARIABLES mutexes were being locked twice, resulting in a server exit.
(Bug #20788853)
A Provides rule in RPM .spec files misspelled“mysql-embedded”as“mysql-emdedded”.
(Bug #20734434) Under certain conditions, the libedit
command-line library could write outside an array boundary and cause a client program crash. (Bug #20318154) Host value matching for the grant tables could fail to use the
most specific of values that contained wildcard characters.
(Bug #20181776) A user with a name of event_scheduler could view the Event Scheduler process list without the PROCESS privilege.
(Bug #20007583, Bug #20754369) SHOW GRANTS after connecting using a proxy user could display the password hash of the proxied user.
(Bug #19817663)
For a prepared statement with an ORDER BY that refers by column number to a GROUP_CONCAT() expression that has an outer reference, repeated statement execution could cause a server exit.
(Bug #19814337) Loading corrupt spatial data into a MyISAM table could cause the server to exit during index building.
(Bug #19573096) Certain queries for the INFORMATION_SCHEMA TABLES and COLUMNS tables could lead to
excessive memory use when there were large numbers of empty InnoDB tables. (Bug #72322, Bug #18592390) MySQL failed to compile using OpenSSL 0.9.8e. (Bug #68999, Bug #16861371)
下载：http://dev.mysql.com/downloads/mysql/
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