87ee1e75bc
MDEV-29533 Crash when MariaDB is replica of MySQL 8.0 MySQL 8.0 has added the following new events in the MySQL binary log PARTIAL_UPDATE_ROWS_EVENT TRANSACTION_PAYLOAD_EVENT HEARTBEAT_LOG_EVENT_V2 - PARTIAL_UPDATE_ROWS_EVENT is used by MySQL to generate update statements using JSON_SET, JSON_REPLACE and JSON_REMOVE to make update of JSON columns more efficient. These events can be disabled by setting 'binlog-row-value-options=""' - TRANSACTION_PAYLOAD_EVENT is used by MySQL to signal that a row event is compressed. It an be disably by setting 'binlog_transaction_compression=0'. - HEARTBEAT_LOG_EVENT_V2 is written to the binary log many times per seconds. It can be ignored by the server. What this patch does: - If PARTIAL_UPDATE_ROWS_EVENT or TRANSACTION_PAYLOAD_EVENT is found, the server will stop with an error message of how to disable the MySQL server to generate such events. - HEARTBEAT_LOG_EVENT_V2 events are ignored. - mariadb-binlog will write the name of the new events. - mariadb-binlog will stop if PARTIAL_UPDATE_ROWS_EVENT or TRANSACTION_PAYLOAD_EVENT is found, unless --force is given. - Fixes a crash in mariadb-binlog if a character set unknown to MariaDB is found. (MDEV-29533) From Kristian Nielsen: - Add test case for MySQL 8.0 to MariaDB replication and fixed a a small typo in post_header_len initialization. Reviewer: knielsen@mariadb.org |
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Code status:
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MariaDB: The innovative open source database
MariaDB was designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.
MariaDB is brought to you by the MariaDB Foundation and the MariaDB Corporation. Please read the CREDITS file for details about the MariaDB Foundation, and who is developing MariaDB.
MariaDB is developed by many of the original developers of MySQL who now work for the MariaDB Corporation, the MariaDB Foundation and by many people in the community.
MySQL, which is the base of MariaDB, is a product and trademark of Oracle Corporation, Inc. For a list of developers and other contributors, see the Credits appendix. You can also run 'SHOW authors' to get a list of active contributors.
A description of the MariaDB project and a manual can be found at:
https://mariadb.com/kb/en/mariadb-vs-mysql-features/
https://mariadb.com/kb/en/mariadb-versus-mysql-compatibility/
https://mariadb.com/kb/en/new-and-old-releases/
Getting the code, building it and testing it
Refer to the following guide: https://mariadb.org/get-involved/getting-started-for-developers/get-code-build-test/ which outlines how to build the source code correctly and run the MariaDB testing framework, as well as which branch to target for your contributions.
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MariaDB is specifically available only under version 2 of the GNU General Public License (GPLv2). (I.e. Without the "any later version" clause.) This is inherited from MySQL. Please see the README file in the MySQL distribution for more information.
License information can be found in the COPYING file. Third party license information can be found in the THIRDPARTY file.
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Bug and/or error reports regarding MariaDB should be submitted at: https://jira.mariadb.org
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The code for MariaDB, including all revision history, can be found at: https://github.com/MariaDB/server