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MariaDB 10.2.2 Release Notes

The most recent release of MariaDB 10.2 is:MariaDB 10.2.44 Stable (GA) Download Now

Download | Release Notes | Changelog | Overview of 10.2

Release date: 27 Sep 2016

MariaDB 10.2 is the current development series of MariaDB. It is an evolution of MariaDB 10.1 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL 5.6 and 5.7.

MariaDB 10.2.2 is a Beta release.

Do not use beta releases on production systems!

For an overview of MariaDB 10.2 see theWhat is MariaDB 10.2? page.

Thanks, and enjoy MariaDB!

Notable Changes

This is the first beta release in the series.

  • was merged from MySQL-5.7.14 (XtraDB is disabled in MariaDB-10.2.2 pending a similar merge)

    • Note that there have been numerous variable changes, both new variables and changes to defaults, for example now defaults to ON.

    • InnoDB tables now support .

  • has been re-implemented so as not to lock the entire table when collecting engine independent statistics (

Do not use beta releases on production systems!

For a complete list of changes made in , with links to detailed information on each push, see the .

)
  • The CONNECT engine now supports the (MDEV-9765)

  • Internal CRC32 routines use the optimized implementation on Power8 — MDEV-9872

  • Old GPL client library is gone; now MariaDB Server comes with the LGPL Connector/C client library (MDEV-9055)

  • Recursive Common Table Expressions (MDEV-9864)

  • Further improvements and bugfixing for CHECK CONSTRAINT (MDEV-7563) and DEFAULT with expressions (MDEV-10134)

  • Optimizer improvement: conditions can be (MDEV-9197)

  • Support for NO PAD , with 88 new NO PAD collations included in the server (MDEV-9711)

  • Table cache can automatically partition itself as needed to reduce the contention (MDEV-10296)

  • The thread pool now gives higher priority to connections that have an active transaction. This can be controlled with the new and system variables. (MDEV-10297)

  • Window functions support extended. All standard aggregate functions (except GROUP_CONCAT) can be used as window functions. (MDEV-9526)

  • New added: , , , , . (MDEV-8091)

  • Performance improvements for faster computing of window functions. Multiple window functions with compatible sorting criteria are computed during the same pass. (MDEV-10059)

  • Default changed from 0 to 1.

  • New options.

  • Fixes for the following :

    • CVE-`-```

  • MariaDB 10.2
    MariaDB 10.2.2
    changelog
    MDEV-7901

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    MariaDB may already be included in your favorite OS distribution. More information can be found on the page.

    Distributions which Include MariaDB
    InnoDB
    innodb_strict_mode
    spatial indexes
    ANALYZE TABLE
    JDBC Table type
    pushed down into non-mergeable views/derived tables
    collations
    thread_pool_prio_kickup_timer
    thread_pool_priority
    window functions
    LEAD
    LAG
    NTH_VALUE
    FIRST_VALUE
    LAST_VALUE
    server_id
    innochecksum
    security vulnerabilities

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