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Download MySQL 5.1.38 – 38.33MB (Open Source)

MySQL 5.1.38 Information

MySQL Community Edition is a freely downloadable version of the world’s most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL delivers enterprise features, including:

* Partitioning to improve performance and management of very large database environments
* Row-based/Hybrid Replication for improved replication security
* Event Scheduler to create and schedule jobs that perform various database tasks
* XPath Support
* Dynamic General/Slow Query Log
* Performance/Load Testing Utility (mysqlslap)
* Improved! Full Text Search (faster, new dev templates)
* Improved! Archive engine (better compression, more features)
* Improved! User session and problem SQL identification
* Improved! MySQL embedded library (libmysqld)
* Additional INFORMATION_SCHEMA objects
* Faster data import operations (parallel file load)
* ACID Transactions to build reliable and secure business critical applications
* Stored Procedures to improve developer productivity
* Triggers to enforce complex business rules at the database level
* Views to ensure sensitive information is not compromised
* Information Schema to provide easy access to metadata
* Pluggable Storage Engine Architecture for maximum flexibility
* Archive Storage Engine for historical and audit data

MySQL 5.1.38 Change Log
#Functionality added or changed:

* The InnoDB Plugin is included in MySQL releases, in addition to the built-in version of InnoDB that has been included in previous releases. This version of the InnoDB Plugin is 1.0.4 and is considered of Beta quality.

* Replication: With statement-based logging (SBL), repeatedly calling statements that are unsafe for SBL caused a warning message to be written to the error log for each statement, and there was no way to disable this behavior. Now the server logs messages about statements that are unsafe for statement-based logging only if the log_warnings variable is greater than 0. (Bug#46265)

* The undocumented TRANSACTIONAL and PAGE_CHECKSUM keywords were removed from the grammar. (Bug#45829)

* Previously, SELECT … INTO OUTFILE dumped column values without character set conversion, which could produce data files that cannot be imported without error if different columns used different character sets. A consequence of this is that mysqldump ignored the –default-character-set option if the –tab option was given (which causes SELECT … INTO OUTFILE to be used to dump data.)

INTO OUTFILE now can be followed by a CHARACTER SET clause indicating the character set to which dumped values should be converted. Also, mysqldump adds a CHARACTER SET clause to the SELECT … INTO OUTFILE statement used to dump data, so that –default-character-set is no longer ignored if –tab is given.

Other changes are that SELECT … INTO OUTFILE enforces that ENCLOSED BY and ESCAPED BY arguments must be a single character, and SELECT … INTO OUTFILE and LOAD DATA INFILE produce warnings if non-ASCII field or line separators are specified. (Bug#30946)

* The MySQL euckr character set now can store extended codes [81...FE][41..5A,61..7A,81..FE], which makes euckr compatible with the Microsoft cp949 character set.

#Bugs fixed:

* Partitioning: Attempting to create a table using an invalid or inconsistent subpartition definition caused the server to crash. An example of such a statement is shown here:

CREATE TABLE t2 (s1 INT, s2 INT)
PARTITION BY LIST (s1) SUBPARTITION BY HASH (s2) SUBPARTITIONS 1
(
PARTITION p1 VALUES IN (1),
PARTITION p2 VALUES IN (2) (SUBPARTITION p3)
);
(Bug#46354)

* Partitioning: When using a debug build of MySQL, if a query against a partitioned table having an index on one or more DOUBLE columns used that index, the server failed with an assertion. (Bug#45816)

* Partitioning: A failed RENAME TABLE operation on a table with user-defined partitioning left the table in an unusable state, due to only some of the table files having been renamed. (Bug#30102)

* Replication: When a statement that changes a non-transactional table failed, the transactional cache was flushed, causing a mismatch between the execution and logging histories. Now we avoid flushing the transactional cache unless a COMMIT or ROLLBACK is issued. (Bug#46129)

* Replication: The internal function get_master_version_and_clock() (defined in sql/slave.cc) ignored errors and passed directly when queries failed, or when queries succeeded but the result retrieved was empty. Now this function tries to reconnect the master if a query fails due to transient network problems, and to fail otherwise. The I/O thread now prints a warning if the some system variables do not exist on master (in the event the master is a very old version of MySQQL, compared to the slave.) (Bug#45214)

* Replication: When using the MIXED logging format, after creating a temporary table and performing an update that switched the logging format to ROW, the format switch persisted following the update. This prevented any subsequent DDL statements on temporary tables from being written to the binary log until the temporary table was dropped. (Bug#43046) See also Bug#40013.
This regression was introduced by Bug#20499.

* Replication: If the –log-bin-trust-function-creators option is not enabled, CREATE FUNCTION requires one of the modifiers DETERMINISTIC, NO SQL, or READS SQL DATA. When using statement-based mode, the execution of a stored function should follow the same rules; however, only functions defined with DETERMINSTIC could actually be executed. In addition, the wrong error was generated (ER_BINLOG_ROW_RBR_TO_SBR instead of ER_BINLOG_UNSAFE_ROUTINE).

Now execution of stored functions is compatible with creation in this regard; when a stored function without one of the modifiers above is executed in STATEMENT mode, the correct error is raised, and functions defined using NO SQL, READS SQL DATA, or both (that is, without using DETERMINSTIC) can be excuted. (Bug#41166)

* The test suite was missing from RPM packages. (Bug#46834)

* Incorrect index optimization could lead to incorrect results or server crashes. (Bug#46454)

* The server printed warnings at startup about adjusting the value of the max_join_size system variable. (These were harmless, but might be seen by users as significant.) (Bug#46385)

* After an error such as a table-full condition, INSERT IGNORE could cause an assertion failure for debug builds. (Bug#46075)

* An optimization that moved an item from a subquery to an outer query could cause a server crash. (Bug#46051)

* Several Valgrind warnings were corrected. (Bug#46003, Bug#46034, Bug#46042)

* CREATE TABLE … SELECT could cause a server crash if no default database was selected. (Bug#45998)

* For problems reading SSL files during SSL initialization, the server wrote error messages to stderr rather than to the error log. (Bug#45770)

* The vendor name change from MySQL AB to Sun Microsystems, Inc. in RPM packages was not handled gracefully when upgrading MySQL using an RPM package. (Bug#45534)

* A Windows Installation using the GUI installer would fail with:
MySQL Server 5.1 Setup Wizard ended prematurely
The wizard was interrupted before MySQL Server 5.1. could be completely installed. Your system has not been modified. To complete installation at another time, please run setup again. Click Finish to exit the wizard. This was due to an step in the MSI installer that could fail to execute correctly on some environments. (Bug#45418)

* Invalid memory reads could occur using the compressed client/server protocol. (Bug#45031)

* The mysql_real_connect() C API function only attempted to connect to the first IP address returned for a hostname. This could be a problem if a hostname mapped to multiple IP address and the server was not bound to the first one returned. Now mysql_real_connect() attempts to connect to all IPv4/6 addresses that a domain name maps to. (Bug#45017)

* Invalid input could cause invalid memory reads by the parser. (Bug#45010)

* Some files in an AIX tar file distribution unpacked with incorrect permissions. (Bug#44647)

* For debug builds, executing a stored procedure as a prepared statement could sometimes cause an assertion failure. (Bug#44521)

* Using mysql_stmt_execute() to call a stored procedure could cause a server crash. (Bug#44495)

* Creating a new instance after previously removing an instance would fail to complete the installation properly because the security settings could not be applied correctly. (Bug#44428)

* mysqlslap ignored the –csv option if it was given without an argument. (Bug#44412)

* Enabling the event scheduler from within the file specified by –init-file caused a server crash. (Bug#43587)

* The server did not always check the return value of calls to the hash_init() function. (Bug#43572)

* The table cache lock (LOCK_open) is now an adaptive mutex, which should improve performance in workloads where this lock is heavily contended. (Bug#43435)

* mysqladmin –count=X –sleep=Y incorrectly delayed Y seconds after the last iteration before exiting. (Bug#42639)

* A test for stack growth failed on some platforms, leading to server crashes. (Bug#42213)

* mysqladmin did not have enough space allocated for tracking all variables when using –vertical or –relative with extended-status. (Bug#40395)

* Partitioning a log table caused a server crash. (Bug#40281)

* When using quick access methods to search for rows in UPDATE and DELETE statements, there was no check whether a fatal error had already been sent to the client while evaluating the quick condition. Consequently, a false OK (following the error) was sent to the client, causing the error to be incorrectly transformed into a warning. (Bug#40113)

* SHOW PROCESSLIST could access freed memory of a stored procedure run in a concurrent session. (Bug#38816)

* During installation on Windows, the MySQL Instance Configuration Wizard window could be opened at a size too small to be usable. (Bug#38723)

* make_binary_distribution did not always generate correct distribution names. (Bug#37808)

* The server crashed when executing a prepared statement containing a duplicated MATCH() function call in the select list and ORDER BY clause; for example, SELECT MATCH(a) AGAINST(‘test’) FROM t1 ORDER BY MATCH(a) AGAINST(‘test’). (Bug#37740)

* The output of mysqldump –tab for views included a DROP TABLE statement without the IF EXISTS qualifier. (Bug#37377)

* mysql_upgrade silently ignored the –basedir and –datadir options, which it accepts for backward compatibility. Now it prints a warning. (Bug#36558)

* mysqlimport was not always compiled correctly to enable thread support, which is required for the –use-threads option. (Bug#32991)

* mysqlcheck failed to fix table names when the –fix-table-names and –all-in-1 options were both specified. (Bug#31821)

* If the MySQL server was killed without the PID file being removed, attempts to stop the server with mysql.server stop waited 900 seconds before giving up. (Bug#31785)

* When performing an installation on Windows using the GUI installer, the installer would fail to wait long enough during installation for the MySQL service to be installed, which would cause the installation to fail and may cause security settings, such as the root password to not be applied correctly. (Bug#30525)

* mysql included extra spaces at the end of some result set lines. (Bug#29622)

* The mysql client inconsistently handled NUL bytes in column data in various output formats. (Bug#28203)

* mysqlimport did not correctly quote and escape table identifiers and file names. (Bug#28071)

* When installing the Windows service, using quotes around command-line configuration parameters could cause the quotes to incorrectly placed around the entire command-line option, and not just the value. (Bug#27535)

* If the mysql client was built with the readline library and the .inputrc file mapped Space to the magic-space function, it became impossible to enter spaces. (Bug#27439)

* If InnoDB reached its limit on the number of concurrent transactions (1023), it wrote a descriptive message to the error log but returned a misleading error message to the client, or an assertion failure occurred. (Bug#18828)

Download MySQL 5.1.38

Download MySQL 5.1.37- 35.73MB (Open Source)

MySQL 5.1.37 Information
MySQL Community Edition is a freely downloadable version of the world’s most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL delivers enterprise features, including:

* Partitioning to improve performance and management of very large database environments
* Row-based/Hybrid Replication for improved replication security
* Event Scheduler to create and schedule jobs that perform various database tasks
* XPath Support
* Dynamic General/Slow Query Log
* Performance/Load Testing Utility (mysqlslap)
* Improved! Full Text Search (faster, new dev templates)
* Improved! Archive engine (better compression, more features)
* Improved! User session and problem SQL identification
* Improved! MySQL embedded library (libmysqld)
* Additional INFORMATION_SCHEMA objects
* Faster data import operations (parallel file load)
* ACID Transactions to build reliable and secure business critical applications
* Stored Procedures to improve developer productivity
* Triggers to enforce complex business rules at the database level
* Views to ensure sensitive information is not compromised
* Information Schema to provide easy access to metadata
* Pluggable Storage Engine Architecture for maximum flexibility
* Archive Storage Engine for historical and audit data

MySQL 5.1.37 Change Log
* Important Change: Replication: RESET MASTER and RESET SLAVE now reset the values shown for Last_IO_Error, Last_IO_Errno, Last_SQL_Error, and Last_SQL_Errno in the output of SHOW SLAVE STATUS. (Bug#44270)

See also Bug#34654.

Bugs fixed:

* Partitioning: Security Fix: Accessing a table having user-defined partitioning when the server SQL mode included ONLY_FULL_GROUP_BY caused the MySQL server to crash. For example, the following sequence of statements crashed the server:

DROP TABLE IF EXISTS t1;

SET SESSION SQL_MODE=’ONLY_FULL_GROUP_BY’;

CREATE TABLE t1 (id INT, KEY(id))
PARTITION BY HASH(id) PARTITIONS 2;

(Bug#45807)

* Important Change: Replication: When using STATEMENT or MIXED binary logging format, a statement that changes both non-transactional and transactional tables must be written to the binary log whenever there are changes to non-transactional tables. This means that the statement goes into the binary log even when the changes to the transactional tables fail. In particular, in the event of a failure such statement is annotated with the error number and wrapped inside a pair of BEGIN and ROLLBACK statements.

On the slave, while applying the statement, it is expected that the same failure and the rollback prevent the transactional changes from persisting. However, statements that fail due to concurrency issues such as deadlocks and timeouts are logged in the same way, causing the slave to stop since the statements are applied sequentially by the SQL thread.

To address this issue, we ignore concurrency failures on the slave. Specifically, the following failures are now ignored: ER_LOCK_WAIT_TIMEOUT, ER_LOCK_DEADLOCK, and ER_XA_RBDEADLOCK. (Bug#44581)

* Partitioning: Truncating a partitioned MyISAM table did not reset the AUTO_INCREMENT value. (Bug#35111)

* Replication: The SHOW SLAVE STATUS connection thread competed with the slave SQL thread for use of the error message buffer. As a result, the connection thread sometimes received incomplete messages. This issue was uncovered with valgrind when message strings were passed without NULL terminators, causing the error Conditional jump or move depends on uninitialised value(s). (Bug#45511)

See also Bug#43076.

* Replication: Large transactions and statements could corrupt the binary log if the size of the cache (as set by max_binlog_cache_size) was not large enough to store the changes.

Now, for transactions that do not fit into the cache, the statement is not logged, and the statement generates an error instead.

For non-transactional changes that do not fit into the cache, the statement is also not logged — an incident event is logged after committing or rolling back any pending transaction, and the statement then raises an error.
Note

If a failure occurs before the incident event is written the binary log, the slave does not stop, and the master does not report any errors.

(Bug#43929)

See also Bug#37148.

* Replication: The –database option for mysqlbinlog was ignored when using the row-based logging format. (Bug#42941)

* Replication: Shutting down the server while executing FLUSH LOGS, CHANGE MASTER TO, or STOP SLAVE could sometimes cause mysqld to crash. (Bug#38240)

* Replication: When reading a binary log that was in use by a master or that had not been properly closed (possibly due to a crash), the following message was printed: Warning: this binlog was not closed properly. Most probably mysqld crashed writing it. This message did not take into account the possibility that the file was merely in use by the master, which caused some users concern who were not aware that this could happen.

To make this clear, the original message has been replaced with Warning: this binlog is either is use or was not closed properly. (Bug#34687)

* The server crashed if evaluation of GROUP_CONCAT(… ORDER BY) required allocation of a sort buffer but allocation failed. (Bug#46080)

* When creating tables using the IBMDB2I storage engine with the ibmdb2i_create_index_option option set to 1, creating an IBMDB2I table with a primary key should produce an additional index that uses EBCDIC hexadecimal sorting, but this index was not created. (Bug#45983)

* With InnoDB tables, MySQL used a less-selective secondary index to avoid a filesort even if a prefix of the primary key was much more selective.

The fix for this problem might cause other queries to run more slowly. (Bug#45828)

* The server crashed for attempts to use REPLACE or INSERT … ON DUPLICATE KEY UPDATE with a view defined using a join. (Bug#45806)

* Some collations were causing IBMDB2I to report inaccurate key range estimations to the optimizer for LIKE clauses that select substrings. This can be seen by running EXPLAIN. This problem primarily affects multi-byte and unicode character sets. (Bug#45803)

* Invalid memory reads and writes were generated when altering merge and base tables. This could lead to a crash or Valgrind errors:

==28038== Invalid write of size 1
at: memset (mc_replace_strmem.c:479)
by: myrg_attach_children (myrg_open.c:433)
by: ha_myisammrg::attach_children() (ha_myisammrg.cc:546)
by: ha_myisammrg::extra(ha_extra_function) (ha_myisammrg.cc:944)
by: attach_merge_children(TABLE_LIST*) (sql_base.cc:4147)
by: open_tables(THD*, TABLE_LIST**, unsigned*, unsigned) (sql_base.cc:4709)
by: open_and_lock_tables_derived(THD*, TABLE_LIST*, bool) (sql_base.cc:4977)
by: open_n_lock_single_table (mysql_priv.h:1550)
by: mysql_alter_table(sql_table.cc:6428)
by: mysql_execute_command(THD*) (sql_parse.cc:2860)
by: mysql_parse(THD*, char const*, unsigned, char const**) (sql_parse.cc:5933)
by: dispatch_command (sql_parse.cc:1213)

(Bug#45796)

* Inserting data into a table using the macce character set with the IBMDB2I storage engine would fail. (Bug#45793)

* There was a race condition when changing innodb_commit_concurrency at runtime to the value DEFAULT. (Bug#45749)

See also Bug#42101.

* Performing an empty XA transaction caused the server to crash for the next XA transaction. (Bug#45548)

* For replication of a stored procedure that uses the gbk character set, the result on the master and slave differed. (Bug#45485)

* SHOW CREATE TRIGGER requires the TRIGGER privilege but was not checking privileges. (Bug#45412)

* An assertion failure could occur if InnoDB tried to unlock a record when the clustered index record was unknown. (Bug#45357)

* Bug#19027 caused –enable-plugin_name (for example, –enable-innodb) not to work. (Bug#45336)

* If autocommit was enabled, InnoDB did not roll back DELETE or UPDATE statements if the statement was killed. (Bug#45309)

* Use of DECIMAL constants with more than 65 digits in CREATE TABLE … SELECT statements led to spurious errors or assertion failures. (Bug#45262)

* The mysql client could misinterpret some character sequences as commands under some circumstances. (Bug#45236)

* Use of CONVERT() with an empty SET value could cause an assertion failure.
(Bug#45168)

* InnoDB recovery could hang due to redo logging of doublewrite buffer pages. (Bug#45097)

* when reading binary data, the concatenation function for geometry data collections did not rigorously check for available data, leading to invalid reads and server crashes. (Bug#44684)

* If an error occurred during the creation of a table (for example, the table already existed) having an AUTO_INCREMENT column and a BEFORE trigger that used the INSERT … SELECT construct, an internal flag was not reset properly. This led to a crash the next time that the table was opened again. (Bug#44653)

* For queries with a sufficient number of subqueries in the FROM clause of this form:

SELECT * FROM (SELECT 1) AS t1,
(SELECT 2) AS t2,
(SELECT 3) AS t3, …

The query failed with a Too high level of nesting for select error, as those the query had this form:

SELECT * FROM (SELECT 1 FROM (SELECT 2 FROM (SELECT 3 FROM …

(Bug#44156)

* configure.in contained references to literal instances of nm and libc, rather than to variables parameterized for the proper values on the current platform. (Bug#42721)

* configure.in did not properly check for the pthread_setschedprio() function. (Bug#42599)

* A workaround for a Sun Studio bug was instituted. (Bug#41710)

* Valgrind warnings that occurred for SHOW TABLE STATUS with InnoDB tables were silenced. (Bug#38479)

* In the mysql client, if the server connection was lost during repeated status commands, the client would fail to detect this and command output would be inconsistent. (Bug#37274)

* When invoked to start multiple server instances, mysqld_multi sometimes would fail to start them all due to not changing location into the base directory for each instance. (Bug#36654)

* Renaming a column that appeared in a foreign key definition did not update the foreign key definition with the new column name. (Bug#21704)

Webmasters have to make sure that their websites and files are getting backed up regularly to be prepared when something unforeseen happens. This unforeseen event can be a hacker attack, a database crash, a fire in the data center of the hoster or human error. Whatever the cause is it can have a severe impact on the service and business if backups are not available to restore the website or service.

Many web hosting companies offer backup space and create backups regularly. Some on the other hand ask for additional payments or do not offer this backup service at all. It then is up to the webmaster or server administrator to ensure that the data gets backed up regularly so that it can be restored when needed.

One option that is becoming increasingly popular is to backup data and send it to an offsite storage space. Backup2Mail is such a script. It can initiate automatic MySQL database backups on Linux servers using cron jobs and transfer these backups to a Gmail account. The only restriction is that the size of the zipped database should not exceed the maximum attachment limit of Gmail which is currently 25 Megabytes.

The developer provides instructions on how to setup the MySQL database backup and Gmail transfer on his website. It basically means that the user needs to edit an index.php file to provide the script with the MySQL information and GMail data. The only thing left after this step is to create a cron job so that the script is executed regularly on the server. Backups will from then on be created automatically on the web server and send to the Gmail account.

Download MySQL 5.1.36 – 35.73MB (Open Source)

MySQL 5.1.36 Change Log
Functionality added or changed:

* Important Change: Replication: Previously, incident log events were represented as comments in the output from mysqlbinlog, making them effectively silent when playing back the binlog.

(An incident log event represents an incident that could cause the contents of the database to change without that event being recorded in the binary log.)

This meant that, if the SQL were applied to a server, it could potentially lead to the master and the slave having different data. To make it possible to handle incident log events without breaking applications that expect the previous behavior, the nonsense statement RELOAD DATABASE is added to the SQL output for that incident log event, which causes an error.

To use this functionality currently requires hand editing of the dump file and handling of each case on an individual basis by a database administrator before applying the output to a server. (Bug#44442)

* mysql_upgrade now displays a message indicating the connection parameters it uses when invoking mysqlcheck. (Bug#44638)

* The time zone tables for Windows available at http://dev.mysql.com/downloads/timezones.html have been updated. (Bug#39923)

* The mysqltest program now has a move_file from_file to_file command for renaming files. This should be used in test cases rather than invoking an external command that might be platform specific. (Bug#39542)

Bugs fixed:

* Incompatible Change: The server can load plugins under the control of startup options. For example, many storage engines can be built in pluggable form and loaded when the server starts. In the following descriptions, plugin_name stands for a plugin name such as innodb.

Previously, plugin options were handled like other boolean options (see Section 4.2.3.2, “Program Option Modifiers”). That is, any of these options enabled the plugin:

–plugin_name
–plugin_name=1
–enable-plugin_name

And these options disabled the plugin:

–plugin_name=0
–disable-plugin_name
–skip-plugin_name

However, use of a boolean option for plugin loading did not provide control over what to do if the plugin failed to start properly: Should the server exit, or start with the plugin disabled? The actual behavior has been that the server starts with the plugin disabled, which can be problematic. For example, if InnoDB fails to start, existing InnoDB tables become inaccessible, and attempts to create new InnoDB tables result in tables that use the default storage engine unless the NO_ENGINE_SUBSTITUTION SQL mode has been enabled to cause an error to occur instead.

Now, there is a change in the options used to control plugin loading, such that they have a tristate format:
o –plugin_name=OFF

Do not enable the plugin.

o –plugin_name[=ON]

Enable the plugin. If plugin initialization fails, start the server anyway, but with the plugin disabled. Specifying the option as –plugin_name without a value also enables the plugin.

o –plugin_name=FORCE

Enable the plugin. If plugin initialization fails, do not start the server. In other words, force the server to run with the plugin or not at all.

The values OFF, ON, and FORCE are not case sensitive.

Suppose that CSV and InnoDB have been built as pluggable storage engines and that you want the server to load them at startup, subject to these conditions: The server is allowed to run if CSV initialization fails, but must require that InnoDB initialization succeed. To accomplish that, use these lines in an option file:

[mysqld]
csv=ON
innodb=FORCE

This change is incompatible with the previous implementation if you used options of the form –plugin_name=0 or –plugin_name=1, which should be changed to –plugin_name=OFF or –plugin_name=ON, respectively.

–enable-plugin_name is still supported and is the same as –plugin_name=ON. –disable-plugin_name and –skip-plugin_name are still supported and are the same as –plugin_name=OFF. (Bug#19027)

* Important Change: Replication: BEGIN, COMMIT, and ROLLBACK statements are no longer affected by –replicate-do-db or –replicate-ignore-db rules. (Bug#43263)

* Partitioning: Queries using DISTINCT on multiple columns or GROUP BY on multiple columns did not return correct results with partitioned tables. (Bug#44821)

See also Bug#41136.

* Replication: When using row-based logging, the length of an event for which the field metadata exceeded 255 bytes in size was incorrectly calculated. This could lead to corruption of the binary log, or cause the server to hang. (Bug#42749)

See also Bug#44548, Bug#44672, Bug#44752.

* Replication: The warning Statement is not safe to log in statement format, issued in situations when it cannot be determined that a statement or other database event can be written reliably to the binary log using the statement-based format, has been changed to Statement may not be safe to log in statement format. (Bug#42415)

* Replication: The Query_log_event used by replication to transfer a query to the slave has been refactored. Query_log_event also stores and sends the error code resulting from the execution since it, in some cases, is necessary to execute the statement on the slave as well, which should result in the same error code. The Query_log_event constructor previously worked out for itself the error code using a complex routine, the result of which was often set aside within the constructor itself. This was also involved with at least 2 known bugs relating to invalid errors, and taken as a clear sign that the constructor was not well-designed and needed to be re-written. (Bug#41948)

See also Bug#37145.

* Replication: When stopping and restarting the slave while it was replicating temporary tables, the slave server could crash or raise an assertion failure. This was due to the fact that, although temporary tables were saved between slave thread restarts, the reference to the thread being used (table->in_use) was not being properly updated when restarting, continuing to reference the old thread instead of the new one. This issue affected statement-based replication only. (Bug#41725)

* Use of ROUND() on a LONGTEXT or LONGBLOB column of a derived table could cause a server crash. (Bug#45152)

* DROP USER could fail to drop all privileges for an account if the PAD_CHAR_TO_FULL_LENGTH SQL mode was enabled. (Bug#45100)

* GROUP BY on a constant (single-row) InnoDB table joined to other tables caused a server crash. (Bug#44886)

* ALTER TABLE on a view crashed the server. (Bug#44860)

* Index Merge followed by a filesort could result in a server crash if sort_buffer_size was not large enough for all sort keys. (Bug#44810)
*

UNCOMPRESSED_LENGTH() returned a garbage result when passed a string shorter than 5 bytes. Now UNCOMPRESSED_LENGTH() returns NULL and generates a warning. (Bug#44796)

* Several Valgrind warnings were silenced. (Bug#44774, Bug#44792)

* Selecting RAND(N) function where N is a column of a constant table (table with a single row) failed with a SIGFPE signal. (Bug#44768)

* The PASSWORD() and OLD_PASSWORD() functions could read memory outside of an internal buffer when used with BLOB arguments. (Bug#44767)

* Conversion of a string to a different character set could use the same buffer for input and output, leading to incorrect results or warnings. (Bug#44743, Bug#44766)

* mysqld_safe could fail to find the logger program. (Bug#44736)

* Code that optimized a read-only XA transaction failed to reset the XID once the transaction was no longer active. (Bug#44672)

* A Valgrind warning related to transaction processing was silenced. (Bug#44664)

* innochecksum could incorrectly determine the input file name from the arguments. (Bug#44484)

* Incorrect time was reported at the end of mysqldump output. (Bug#44424)
*

Caching of GROUP BY expressions could lead to mismatches between compile-time and runtime calculations and cause a server crash. (Bug#44399)

* Lettercase conversion in multibyte cp932 or sjis character sequences could produce incorrect results. (Bug#44352)

* InnoDB was missing DB_ROLL_PTR information in Table Monitor COLUMNS output. (Bug#44320)

* Assertion failure could occur for duplicate-key errors in INSERT INTO … SELECT statements. (Bug#44306)

* On 64-bit Windows systems, myisamchk did not handle key_buffer_size values larger than 4GB. (Bug#43940)

* For user-defined utf8 collations, attempts to store values too long for a column could cause a server crash. (Bug#43827)

* Invalidation of query cache entries due to table modifications could cause threads to hang inside the query cache with state “freeing items”. (Bug#43758)

* EXPLAIN EXTENDED could crash for UNION queries in which the last SELECT was not parenthesized and included an ORDER BY clause. (Bug#43612)

* Multiple-table updates for InnoDB tables could produce unexpected results. (Bug#43580)

* For DELETE statements with ORDER BY var, where var was a global system variable with a NULL value, the server could crash. (Bug#42778)

* Builds linked against OpenSSL had a memory leak in association with use of X509 certificates. (Bug#42158)

* There was a race condition when changing innodb_commit_concurrency at runtime from zero to nonzero or from nonzero to zero. Now this variable cannot be changed at runtime from zero to nonzero or vice versa. The value can still be changed from one nonzero value to another. (Bug#42101)

* SELECT … INTO @var could produce values different from SELECT … without the INTO clause. (Bug#42009)

* mysql_zap did not work on Mac OS X. (Bug#41883)

* Shared-memory connections did not work in Vista if mysqld was started from the command line. (Bug#41190)

* For views created with a column list clause, column aliases were not substituted when selecting through the view using a HAVING clause. (Bug#40825)

* A multiple-table DELETE involving a table self-join could cause a server crash. (Bug#39918)

* Creating an InnoDB table with a comment containing a ‘#’ character caused foreign key constraints to be omitted. (Bug#39793)

* The mysql option –ignore-spaces was nonfunctional. (Bug#39101)

* If a query was such as to produce the error 1054 Unknown column ‘…’ in ‘field list’, using EXPLAIN EXTENDED with the query could cause a server crash. (Bug#37362)

* In the mysql client, using a default character set of binary caused internal commands such as DELIMITER to become case sensitive. (Bug#37268)

* If the MYSQL_HISTFILE environment variable was set to /dev/null, the mysql client overwrote the /dev/null device file as a normal file. (Bug#34224)

* mysqld_safe mishandled certain parameters if they contained spaces. (Bug#33685)

* mysqladmin kill did not work for thread IDs larger than 32 bits. (Bug#32457)

* The InnoDB adaptive hash latch is released (if held) for serveral potentially long-running operations. This improves throughput for other queries if the current query is removing a temporary table, changing a temporary table from memory to disk, using CREATE TABLE … SELECT, or performing a MyISAM repair on a table used within a transaction. (Bug#32149)

* Several client programs failed to interpret –skip-password as “send no password.” (Bug#28479)

* Output from mysql –html did not encode the <, >, or & characters. (Bug#27884)

* mysql_convert_table_format did not prevent converting tables to MEMORY or BLACKHOLE tables, which could result in data loss. (Bug#27149)
MySQL 5.1.36 Information
MySQL Community Edition is a freely downloadable version of the world’s most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL delivers enterprise features, including:

* Partitioning to improve performance and management of very large database environments
* Row-based/Hybrid Replication for improved replication security
* Event Scheduler to create and schedule jobs that perform various database tasks
* XPath Support
* Dynamic General/Slow Query Log
* Performance/Load Testing Utility (mysqlslap)
* Improved! Full Text Search (faster, new dev templates)
* Improved! Archive engine (better compression, more features)
* Improved! User session and problem SQL identification
* Improved! MySQL embedded library (libmysqld)
* Additional INFORMATION_SCHEMA objects
* Faster data import operations (parallel file load)
* ACID Transactions to build reliable and secure business critical applications
* Stored Procedures to improve developer productivity
* Triggers to enforce complex business rules at the database level
* Views to ensure sensitive information is not compromised
* Information Schema to provide easy access to metadata
* Pluggable Storage Engine Architecture for maximum flexibility
* Archive Storage Engine for historical and audit data

Download MySQL 5.1.35 – 35.69MB (Open Source)

MySQL Community Edition is a freely downloadable version of the world’s most popular open source database that is supported by an active community of open source developers and enthusiasts.

MySQL delivers enterprise features, including:

* Partitioning to improve performance and management of very large database environments
* Row-based/Hybrid Replication for improved replication security
* Event Scheduler to create and schedule jobs that perform various database tasks
* XPath Support
* Dynamic General/Slow Query Log
* Performance/Load Testing Utility (mysqlslap)
* Improved! Full Text Search (faster, new dev templates)
* Improved! Archive engine (better compression, more features)
* Improved! User session and problem SQL identification
* Improved! MySQL embedded library (libmysqld)
* Additional INFORMATION_SCHEMA objects
* Faster data import operations (parallel file load)
* ACID Transactions to build reliable and secure business critical applications
* Stored Procedures to improve developer productivity
* Triggers to enforce complex business rules at the database level
* Views to ensure sensitive information is not compromised
* Information Schema to provide easy access to metadata
* Pluggable Storage Engine Architecture for maximum flexibility
* Archive Storage Engine for historical and audit data

MySQL 5.1.35 Changelog
* The .msi installer does not detect an existing root password on the initial configuration attempt. To work around this, install and configure MySQL as normal, but skip any changes to security. (There is a checkbox that allows this on the security screen of the configuration wizard.) Then check your settings:
o If the old root password and security settings are okay, you are done and can proceed to use MySQL.
o Otherwise, reconfigure with the wizard and make any changes on the second configuration attempt. The wizard will properly prompt for the existing root password and allow changes to be made.

This issue has been filed as Bug#45200 for correction in a future release.

* The Windows configuration wizard allows changes to InnoDB settings during a reconfiguration operation. For an upgrade, this may cause difficulties. To work around this, use one of the following alternatives:
o Do not change InnoDB settings.
o Copy files from the old InnoDB location to the new one.

This issue has been filed as Bug#45201 for correction in a future release.

Bugs fixed:

* Important Change: Replication: The transactional behavior of STOP SLAVE has changed. Formerly, it took effect immediately, even inside a transaction; now, it waits until the current replication event group (if any) has finished executing, or until the user issues a KILL QUERY or KILL CONNECTION statement.

This was done in order to solve the problem encountered when replication was stopped while a nontransactional slave was replicating a transaction on the master. (It was impossible to roll back a mixed-engines transaction when one of the engines was nontransactional, which meant that the slave could not safely re-apply any transaction that had been interrupted by STOP SLAVE.) (Bug#319, Bug#38205)

See also Bug#43217.

* Partitioning: When a value was equal to a PARTITION … VALUES LESS THAN (value) value other than MAXVALUE, the corresponding partition was not pruned. (Bug#42944)
* Replication: Unrelated errors occurring during the execution of RESET SLAVE could cause the slave to crash. (Bug#44179)
* Replication: The –slave-skip-errors option had no effect when using row-based logging format. (Bug#39393)
* Replication: The following erors were not correctly reported:
o Failures during slave thread initialization

o Failures while initializing the relay log position (immediately following the starting of the slave thread)

o Failures while processing queries passed through the –init_slave option.

Information about these types of failures can now be found in the output of SHOW SLAVE STATUS. (Bug#38197)
* Replication: Killing the thread executing a DDL statement, after it had finished its execution but before it had written the binlog event, caused the error code in the binlog event to be set (incorrectly) to ER_SERVER_SHUTDOWN or ER_QUERY_INTERRUPTED, which caused replication to fail. (Bug#37145)

See also Bug#27571, Bug#22725.

* Replication: Column alises used inside subqueries were ignored in the binary log. (Bug#35515)
* Valgrind warnings for the DECODE(), ENCRYPT(), and FIND_IN_SET() functions were corrected. (Bug#44358, Bug#44365, Bug#44367)
* On Windows, entries for build-vs9.bat and build-vs9_x64.bat were missing in win/Makefile.am. (Bug#44353)
* Incomplete cleanup of JOIN_TAB::select during the filesort of rows for a GROUP BY clause inside a subquery caused a server crash. (Bug#44290)
* Not all lock types had proper descriptive strings, resulting in garbage output from mysqladmin debug. (Bug#44164)
* Use of HANDLER statements with INFORMATION_SCHEMA tables caused a server crash. Now HANDLER is prohibited with such tables. (Bug#44151)
* Invoking SHOW TABLE STATUS from within a stored procedure could cause a Packets out of order error. (Bug#43962)
* myisamchk could display a negative Max keyfile length value. (Bug#43950)
* On 64-bit systems, a key_buffer_size value larger than 4GB could couse MyISAM index corruption. (Bug#43932)
* mysqld_multi incorrectly passed –no-defaults to mysqld_safe. (Bug#43876)
* SHOW VARIABLES did not properly display the value of slave_skip_errors. (Bug#43835)
* On Windows, a server crash occurred for attempts to insert a floating-point value into a CHAR column with a maximum length less than the converted floating-point value length. (Bug#43833)
* Incorrect initialization of MyISAM table indexes could cause incorrect query results. (Bug#43737)
* libmysqld crashed when it was reinitialized. (Bug#43706, Bug#44091)
* InnoDB uses random numbers to generate dives into indexes for calculating index cardinality. However, under certain conditions, the algorithm did not generate random numbers, so ANALYZE TABLE did not update cardinality estimates properly. A new algorithm has been introduced with better randomization properties, together with a system variable, innodb_use_legacy_cardinality_algorithm, that controls which algorithm to use. The default value of the variable is 1 (ON), to use the original algorithm for compatibility with existing applications. The variable can be set to 0 (OFF) to use the new algorithm with improved randomness. (Bug#43660)
* UNION of floating-point numbers did unnecessary rounding. (Bug#43432)
* ALTER DATABASE … UPGRADE DATA DIRECTORY NAME failed when the database contained views. (Bug#43385)
* Certain statements might open a table and then wait for an impending global read lock without noticing whether they hold a table being waiting for by the global read lock, causing a hang. Affected statements are SELECT … FOR UPDATE, LOCK TABLES … WRITE, TRUNCATE TABLE, and LOAD DATA INFILE. (Bug#43230)
* Using an XML function such as ExtractValue() more than once in a single query could produce erroneous results. (Bug#43183)

See also Bug#43937.

* Full-text prefix searches could hang the connection and cause 100% CPU consumption. (Bug#42907)
* InnoDB had excessive contention for a character set mutex. (Bug#42649)
* Incorrect elevation of warning messages to error messages for unsafe statements caused a server crash. (Bug#42640)
* CHECK TABLE suggested use of REPAIR TABLE for corrupt tables for storage engines not supported by REPAIR TABLE. Now CHECK TABLE suggests that the user dump and reload the table. (Bug#42563)
* Compressing a table with the myisampack utility caused the server to produce Valgrind warnings when it opened the table. (Bug#41541)
* For a MyISAM table with DELAY_KEY_WRITE enabled, the index file could be corrupted without the table being marked as crashed if the server was killed. (Bug#41330)
* Killing an INSERT … SELECT statement for a MyISAM table could cause table corruption if the table had indexes. (Bug#40827)
* A multiple-table DELETE IGNORE statement involving a foreign key constraint caused an assertion failure. (Bug#40127)
* Multiple-table UPDATE statements did not properly activate triggers. (Bug#39953)
* The mysql_setpermission operation for removing database privileges removed global privileges instead. (Bug#39852)
* A stored routine contain a C-style comment could not be dumped and reloaded. (Bug#39559)
* In an UPDATE or DELETE via a secondary index, InnoDB did not store the cursor position. This made InnoDB crash in semi-consistent read while attempting to unlock a nonmatching record. (Bug#39320)
* The functions listed in Section 11.13.4.2.3, “Creating Geometry Values Using MySQL-Specific Functions”, previously accepted WKB arguments and returned WKB values. They now accept WKB or geometry arguments and return geometry values.

The functions listed in Section 11.13.4.2.2, “Creating Geometry Values Using WKB Functions”, previously accepted WKB arguments and returned geometry values. They now accept WKB or geometry arguments and return geometry values. (Bug#38990)

* On WIndows, running the server with myisam_use_mmap enabled caused MyISAM table corruption. (Bug#38848)
* CHECK TABLE did not properly check whether MyISAM tables created by servers from MySQL 4.0 or older needed to be upgraded. This could cause problems upgrading to MySQL 5.1 or higher. (Bug#37631)
* An UPDATE statement that updated a column using the same DES_ENCRYPT() value for each row actually updated different rows with different values. (Bug#35087)
* For shared-memory connections, the read and write methods did not properly handle asynchronous close events, which could lead to the client locking up waiting for a server response. For example, a call to mysql_real_query() would block forever on the client side if the executed statement was aborted on the server side. Thanks to Armin Schöffmann for the bug report and patch. (Bug#33899)
* CHECKSUM TABLE was not killable with KILL QUERY. (Bug#33146)
* myisamchk and myisampack were not being linked with the library that enabled support for * filename pattern expansion. (Bug#29248)
* For InnoDB tables that have their own .ibd tablespace file, a superfluous ibuf cursor restoration fails! message could be written to the error log. This warning has been suppressed. (Bug#27276)
* COMMIT did not delete savepoints if there were no changes in the transaction. (Bug#26288)
* Several memory allocation functions were not being checked for out-of-memory return values. (Bug#25058)