MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
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Jason Cu 2bf9f0d422 MDEV-32395: update_depend_map_for_order: SEGV at /mariadb-11.3.0/sql/sql_select.cc:16583
MDEV-32329 (patch) pushdown from having into where: Server crashes at sub_select

When generating an Item_equal with a Item_ref that refers to a field
outside of a subselect, remove_item_direct_ref() causes the dependency
(depended_from) on the outer select to be lost, which causes trouble
for code downstream that can no longer determine the scope of the Item.
Not calling remove_item_direct_ref() retains the Item's dependency.

Test cases from MDEV-32395 and MDEV-32329 are included.

Some fixes from other developers:

Monty:
- Fixed wrong code in Item_equal::create_pushable_equalities()
  that could cause wrong item to be used if there was no matching items.
Daniel Black:
- Added test cases from MDEV-32329
Igor Babaev:
- Provided fix for removing call to remove_item_direct_ref() in
  eliminate_item_equal()

MDEV-32395: update_depend_map_for_order: SEGV at /mariadb-11.3.0/sql/sql_select.cc:16583

Include test cases from MDEV-32329.
2024-12-04 13:22:45 +02:00
BUILD
client Allow mysqltest to run COMMIT statement under --ps-protocol 2024-12-03 14:56:45 +01:00
cmake Dtrace cmake fix for clang 2024-12-03 13:49:42 +03:00
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Docs
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include Fix MariadDB to compile with gcc 7.5.0 2024-12-04 12:58:00 +02:00
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mysql-test MDEV-32395: update_depend_map_for_order: SEGV at /mariadb-11.3.0/sql/sql_select.cc:16583 2024-12-04 13:22:45 +02:00
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sql MDEV-32395: update_depend_map_for_order: SEGV at /mariadb-11.3.0/sql/sql_select.cc:16583 2024-12-04 13:22:45 +02:00
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Code status:

  • Appveyor CI status ci.appveyor.com

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.org

https://mariadb.com/kb/en/

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.

Help

More help is available from the Maria Discuss mailing list https://lists.mariadb.org/postorius/lists/discuss.lists.mariadb.org/ and MariaDB's Zulip instance, https://mariadb.zulipchat.com/

Licensing


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.


Bug Reports

Bug and/or error reports regarding MariaDB should be submitted at: https://jira.mariadb.org

For reporting security vulnerabilities see: https://mariadb.org/about/security-policy/

The code for MariaDB, including all revision history, can be found at: https://github.com/MariaDB/server