MySQL Community Server 5.5.13
# Bugs fixed:* InnoDB Storage Engine: If the server crashed while an XA transaction was prepared but not yet committed, the transaction could remain in the system after restart, and cause a subsequent...
View ArticleMySQL Community Server 5.5.12
# Bugs fixed:- InnoDB Storage Engine: Replication: Trying to update a column, previously set to NULL, of an InnoDB table with no primary key caused replication to fail with Can't find record in...
View ArticleMySQL Community Server 5.5.11
# Bugs fixed:* Partitioning: A problem with a previous fix for poor performance of INSERT ON DUPLICATE KEY UPDATE statements on tables having many partitions caused the handler function for reading a...
View ArticleMySQL Community Server 5.5.10
# Bugs fixed:* InnoDB Storage Engine: Raised the number of I/O requests that each AIO helper thread could process, from 32 to 256. The new limit applies to Linux and Unix platforms; the limit on...
View ArticleMySQL Community Server 5.5.9
# Bugs fixed:* Incompatible Change: When auto_increment_increment is greater than one, values generated by a bulk insert that reaches the maximum column value could wrap around rather producing an...
View ArticleMySQL Community Server 5.1.68
# Bugs Fixed* InnoDB; Performance: Some data structures related to undo logging could be initialized unnecessarily during a query, although they were only needed under specific conditions. * InnoDB;...
View ArticleMySQL Community Server 5.1.66
# Bugs Fixed* InnoDB: Certain information_schema tables originally introduced in MySQL 5.6 are now also available in MySQL 5.5 and MySQL 5.1: INNODB_BUFFER_PAGE, INNODB_BUFFER_PAGE_LRU, and...
View ArticleMySQL Community Server 5.1.65
# Functionality Added or Changed* Important Change: The YEAR(2) data type is now deprecated because it is problematic. Support for YEAR(2) will be removed in a future release of MySQL. Download
View ArticleMySQL Community Server 5.1.63
# 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...
View ArticleMySQL Community Server 5.1.62
# Functionality Added or Changed* yaSSL was upgraded from version 1.7.2 to 2.2.0. # Bugs Fixed* Security Fix: Bug #13510739 and Bug #63775 were fixed.* Incompatible Change: An earlier change (in MySQL...
View ArticleMySQL Community Server 5.1.61
# Bugs Fixed* InnoDB Storage Engine: Issuing INSERT...ON DUPLICATE KEY statements for InnoDB tables from concurrent threads could cause a deadlock, particularly with the INSERT...ON DUPLICATE KEY...
View ArticleMySQL Community Server 5.1.60
# Bugs Fixed* InnoDB Storage Engine: This fix improves the performance of instrumentation code for InnoDB buffer pool operations. * InnoDB Storage Engine: Data from BLOB columns could be lost if the...
View ArticleMySQL Community Server 5.1.59
# Bugs Fixed* InnoDB Storage Engine: The ârandom read-aheadâ feature that was removed from the InnoDB Plugin is now available again. Because it is only helpful for certain workloads, it is turned...
View ArticleMySQL Community Server 5.1.57
# Bugs fixed:- InnoDB Storage Engine: Replication: Trying to update a column, previously set to NULL, of an InnoDB table with no primary key caused replication to fail with Can't find record in...
View ArticleMySQL Community Server 5.1.56
# Bugs fixed:* InnoDB Storage Engine: InnoDB returned values for ârows examinedâ in the query plan that were higher than expected. NULL values were treated in an inconsistent way. The inaccurate...
View ArticleMySQL Community Server 5.1.55
# Bugs fixed:* Incompatible Change: When auto_increment_increment is greater than one, values generated by a bulk insert that reaches the maximum column value could wrap around rather producing an...
View ArticleMySQL Community Server 5.1.54
# Functionality added or changed:* Support for the IBMDB2I storage engine has been removed.* The pstack library was nonfunctional and has been removed, along with the --with-pstack option for...
View ArticleMySQL Community Server 5.1.53
# Bugs fixed:- Replication: SET PASSWORD caused row-based replication to fail between a MySQL 5.1 master and a MySQL 5.5 slave.* This fix makes it possible to replicate SET PASSWORD correctly, using...
View ArticleMySQL Community Server 5.1.52
# Bugs fixed:- InnoDB Storage Engine: InnoDB incorrectly reported an error when a cascading foreign key constraint deleted more than 250 rows.- InnoDB Storage Engine: A SELECT ... FOR UPDATE statement...
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