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MySQL Community Server 5.1.44 0 out of 5 based on 0 ratings.

MySQL Community Server 5.1.44  Change Log

# Bugs fixed:

* Partitioning: When an ALTER TABLE ... REORGANIZE PARTITION statement on an InnoDB table failed due to innodb_lock_wait_timeout expiring while waiting for a lock, InnoDB did not clean up any temporary files or tables which it had created. Attempting to reissue the ALTER TABLE statement following the timeout could lead to storage engine errors, or possibly a crash of the server. (Bug#47343)
* Replication: In some cases, inserting into a table with many columns could cause the binary log to become corrupted. (Bug#50018). See also Bug#42749.
* Replication: When using row-based replication, setting a BIT or CHAR column of a MyISAM table to NULL, then trying to delete from the table, caused the slave to fail with the error Can't find record in table. (Bug#49481, Bug#49482)
* Replication: When logging in row-based mode, DDL statements are actually logged as statements; however, statements that affected temporary tables and followed DDL statements failed to reset the binary log format to ROW, with the result that these statements were logged using the statement-based format. Now the state of binlog_format is restored after a DDL statement has been written to the binary log. (Bug#49132)
* Replication: When using row-based logging, the statement CREATE TABLE t IF NOT EXIST ... SELECT was logged as CREATE TEMPORARY TABLE t IF NOT EXIST ... SELECT when t already existed as a temporary table. This was caused by the fact that the temporary table was opened and the results of the SELECT were inserted into it when a temporary table existed and had the same name.Now, when this statement is executed, t is created as a base table, the results of the SELECT are inserted into it — even if there already exists a temporary table having the same name — and the statement is logged correctly. (Bug#47418).See also Bug#47442.
* Replication: Due to a change in the size of event representations in the binary log, when replicating from a MySQL 4.1 master to a slave running MySQL 5.0.60 or later, the START SLAVE UNTIL statement did not function correctly, stopping at the wrong position in the log. Now the slave detects that the master is using the older version of the binary log format, and corrects for the difference in event size, so that the slave stops in the correct position. (Bug#47142)
* The SSL certificates in the test suite were about to expire. They have been updated with expiration dates in the year 2015. (Bug#50642)
* The printstack function does not exist on Solaris 8 or earlier, which would lead to a compilation failure. (Bug#50409)
* A user could see tables in INFORMATION_SCHEMA.TABLES without appropriate privileges for them. (Bug#50276)
* Debug output for join structures was garbled. (Bug#50271)
* The filesort sorting method applied to a CHAR(0) column could lead to a server crash. (Bug#49897)
* sql_buffer_result had an effect on non-SELECT statements, contrary to the documentation. (Bug#49552)
* In some cases a subquery need not be evaluated because it returns only aggregate values that can be calculated from table metadata. This sometimes was not handled by the enclosing subquery, resulting in a server crash. (Bug#49512)
* The method for comparing INFORMATION_SCHEMA names and database names was nonoptimal and an improvement was made: When the database name length is already known, a length check is made first and content comparison skipped if the lengths are unequal. (Bug#49501)
* The MD5() and SHA1() functions had excessive overhead for short strings. (Bug#49491)
* Mixing full-text searches and row expressions caused a crash. (Bug#49445)
* Creating or dropping a table with 1023 transactions active caused an assertion failure. (Bug#49238)
* mysql-test-run.pl now recognizes the MTR_TESTCASE_TIMEOUT, MTR_SUITE_TIMEOUT, MTR_SHUTDOWN_TIMEOUT, and MTR_START_TIMEOUT environment variables. If they are set, their values are used to set the --testcase-timeout, --suite-timeout, --shutdown-timeout, and --start-timeout options, respectively. (Bug#49210)

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