Release 10.07 - 2020-10-02


  • [CentOS] Added support for MariaDB 10.5.5

  • Added new tests that use > 256 byte strings in the column compression tests. [GitHub#350][Patched by KartikSoneji]


  • KartikSoneji

Release 10.06 - 2020-09-02



We removed the news that “Added support for MariaDB 10.5.5”.

At first, we announced that “Added support for MariaDB 10.5.5”. However, it had been wrong. Mroonga 10.06 can build on MariaDB 10.5. However, there are points that are not working normally yet.

  • [Ubuntu] Dropped Ubuntu 19.10 (Eoan Ermine) support.

  • [CentOS] Added support for Percona Server 8.0.20.

  • [CentOS] Added support for MariaDB 10.1.46, 10.2.33, 10.3.24, and 10.4.14.

  • Modify how to install into Debian GNU/Linux.

    • We modify to use groonga-apt-source instead of groonga-archive-keyring.

    • Because the lintian command recommends using apt-source if a package that it puts files under the /etc/apt/sources.lists.d/.

      • The lintian command is the command which checks for many common packaging errors.

      • Please also refer to the following for the details about installation procedures.

  • [CentOS] Added support for Percona Server 5.7.31.

Release 10.05 - 2020-07-29


  • [CentOS] Added support for MySQL 5.6.49, 5.7.31, and 8.0.21.

    • There are below restrictions in the MySQL8 package.

  • [CentOS] Added support for Percona Server 5.6.49.

Release 10.03 - 2020-05-29


  • [Ubuntu] Added support for Ubuntu 20.04 (Focal Fossa) support.

  • [Ubuntu] Dropped Ubuntu 19.04 (Disco Dingo) support.

  • [CentOS] Added support for MariaDB 10.1.45, 10.2.32, 10.3.23, and 10.4.13.

  • [CentOS] Added support for Percona Server 5.6.48 and 5.7.30.

  • Dropped support for MariaDB 10.1 in Windows.

    • Because MariaDB 10.1 will be EOL soon.


  • [Ubuntu] Fixed a bug that Mroonga for Ubuntu 19.10 (Eoan Ermine) was not provided.

Release 10.02 - 2020-04-29


  • Added support for WITH_WEIGHT column flag.

    • This flag require Groonga 10.0.2 or later.

    • We can insert vector with weight as below by this flag.

      CREATE TABLE tags (
        name VARCHAR(64) PRIMARY KEY
      ) DEFAULT CHARSET=utf8mb4;
      CREATE TABLE bugs (
        tags TEXT COMMENT 'flags "COLUMN_VECTOR|WITH_WEIGHT", type "tags"',
        FULLTEXT INDEX bugs_tags (tags) COMMENT 'table "tags", flags "WITH_WEIGHT"'
      ) DEFAULT CHARSET=utf8mb4;
      INSERT INTO bugs VALUES ('{"package": 100, "priority": 5}');
  • Dropped support for MariaDB 5.5 in CentOS7.

  • [CentOS] Added support for MySQL 5.6.48, 5.7.30, 8.0.20

Release 10.01 - 2020-03-30


  • [CentOS] Added support for Percona Server 5.7.29.



  • pinpikokun

Release 9.12 - 2020-01-29


  • [CentOS] Added support for MySQL 5.6.47, 5.7.29, 8.0.19

  • [CentOS] Added support for MariaDB 10.1.44, 10.2.31, 10.3.22, 10.4.12.

  • Fixed a build error when we built by using source of MySQL 8.0.19.

  • [CentOS] Added support for Percona Server 5.6.47.

Release 9.11 - 2020-01-08


  • [Ubuntu] Dropped Ubuntu 14.04 LTS (Trusty Tahr) support.

  • [Ubuntu] Dropped Ubuntu 18.10 (Cosmic Cuttlefish) support.

  • [CentOS] Added how to install for CentOS 8.

  • [CentOS] Added support for MariaDB 10.2.30, 10.3.21, 10.4.11.

  • Applied a patch for visualizing the shutdown process of InnoDB into MariaDB 10.3 and 10.4.

    • This is a temporary change. We will remove this modify in a future version.

    • This modify Increasing outputted logs when InnoDB shutdown.


  • [Ubuntu] Added support for Ubuntu 16.04 (Xenial Xerus) that was missing.

Release 9.10 - 2019-11-29


  • [CentOS] Added support for MariaDB 10.1.43, 10.2.29, 10.3.20, 10.4.10

  • [CentOS] Added support for MariaDB 10.3.20, 10.4.10, and MySQL 8.0.18 on CentOS 8.

  • [Ubuntu] Added support for Ubuntu 19.10 (Eoan Ermine)


  • Fixed a bug that dpkg --configure will fail when we install the package on Ubuntu 18.04 on WSL. [GitHub#282][Patched by ochaochaocha3]


  • ochaochaocha3

Release 9.09 - 2019-10-30


Maybe performance decreases from this version. Therefore, If performance decreases than before, please report us with reproducible steps.


  • [CentOS] Added support for MySQL 5.6.46, 5.7.28, and 8.0.18(with restrictions).


  • Fixed a build error a package for MySQL 8.0.18.

Release 9.08 - 2019-09-27


  • [CentOS] Added support for MariaDB 5.5.64, 10.2.27, 10.3.18, and 10.4.8

  • [CentOS] Dropped 32-bit package support on CentOS 6.


  • [Debian GNU/Linux] Fixed that can’t install mariadb-server-10.3-mroonga in Debian 10(buster).


  • kajiys

  • bizlevel

Release 9.07 - 2019-08-29


  • [Debian GNU/Linux] Added a install document for Debian 10(buster).

  • [CentOS] Added support for MariaDB 10.1.41, 10.2.26, 10.3.17, and 10.4.7.

  • [Server variables] Added a document for mroonga_query_log_file.

  • [Others] Added a document about how to uninstall Mroonga. [GitHub#135][Patched by ryfjwr]

  • [Storage mode] Added a document about how to use regular expression search.

  • Dropped support for MariaDB 10.0

  • [CentOS] Added support for Percona Server 5.6.45 and 5.7.27

  • [CentOS] Dropped support for MariaDB 10.x on CentOS 6


  • ryfjwr

Release 9.05 - 2019-07-30


  • [CentOS] Added a description about current limitation with MySQL 8.0.

  • [CentOS] Added support for MySQL 5.6.45, 5.7.27 and 8.0.17.


  • [CentOS] Fixed a wrong mysql80-comunity-release package name. [groonga-dev,04759][Reported by Kagami Hiroshi]

  • [Storage mode] Fixed an unique index update bug. This bug causes duplicated key error when the following conditions are met.

    • An unique index is created against multiple column index

    • partial unique key column is updated

    Note that if you already created an unique index, you must recreate target tables because unique index may have garbage entries. We recommend to recreate an target table with dump and restore, or execute ALTER TABLE (TABLE_NAME) FORCE.

  • [mysql8.0] Added a support for TIMESTAMP [groonga-dev,04763][Reported by Kagami Hiroshi]


  • Kagami Hiroshi

Release 9.04 - 2019-06-29


  • [CentOS] Added support for Percona Server 5.7.26.

  • [CentOS] Added support for MariaDB 10.2.25/10.3.16.

  • [CentOS][experimental] Added support for MySQL 8.0.16.


  • Fixed a infinite loop bug. This bug is occurred when invalid flag is specified such as FULLTEXT INDEX (...) COMMENT 'index_flags "INVALID|WITH_SECTION"'.

  • [windows] Fixed a inappropriate pdb path with MariaDB 10.2/10.3.

  • [Others] Fixed a typo about missing appropriate account name in plugin install instruction.

  • Fixed a crash bug with ((MATCH OR MATCH) AND (MATCH)) query.

Release 9.03 - 2019-05-29


  • [Storage mode] Updated example to use tokenizer "XXX"` in ``COMMENT because default_tokenizer "XXX" is deprecated since 9.01.

  • [Windows] Added support to provide MariaDB 10.1, 10.2 zip package again.

  • [CentOS] Added support for MariaDB 10.3.14 and 10.3.15.

  • [Debian GNU/Linux] Updated install instruction for copy and paste friendly.

  • Added support for INDEX_LARGE flag such as COMMENT 'flags "INDEX_LARGE"' syntax.

  • [CentOS] Added support for MariaDB 10.2.24.

  • [CentOS] Added support for MariaDB 10.1.40.

  • [Ubuntu] Added support for Ubuntu 19.04 (Disco Dingo)

  • [CentOS] Added support for Percona Server 5.6.44.

  • [CentOS] Added support for MySQL 5.6.44 and 5.7.26.

Release 9.01 - 2019-03-29


  • [storage] Added support for tokenizer options.

    • For example, you can specify tokenizer options in COMMENT section such as CREATE TABLE foo (...) COMMENT='tokenizer "TokenNgram(''n'', 4)"'.

  • [mariadb] Added support for “tokenizer” table parameter.

    • For example, you can specify “tokenizer” such as CREATE TABLE foo (...) TOKENIZER='TokenNgram("n", 4)'.

  • [storage] Added support for tokenizer parameter in comment.

    • Note that default_tokenizer is deprecated.

  • [mariadb] Added support for “normalizer” table parameter.

    • For example, you can specify “normalizer” such as CREATE TABLE foo (...) NORMALIZER='NormalizerNFKC100("unify_kana", true)'.

  • [mariadb] Added support for “token_filters” table parameter.

    • For example, you can specify “token_filters” such as CREATE TABLE foo (...)  TOKEN_FILTERS='TokenFilterNFKC100("unify_katakana_v_sounds", true)'.

  • Added support for “LEXICON” index parameter.

    • For example, you can specify FULLTEXT INDEX foo (bar) LEXICON='terms' or FULLTEXT INDEX foo (bar) COMMENT 'lexicon "terms"'.

  • [appveyor] Improved support to building Mroonga enabled package [GitHub#230]

  • [CentOS] Added support for Percona Server 5.7.25-28.

  • [CentOS] Added support for MariaDB 10.3.13.

  • [CentOS] Added support for MariaDB 10.2.23.

Release 9.00 - 2019-02-09

This is a major version up! But It keeps backward compatibility. You can upgrade to 9.00 without rebuilding database.

In Groonga 9.0.0, TokenPattern, TokenTable tokenizer and remove_blank for NormalizerNFKC100 is supported. If you upgrade to Groonga 9.0.0, you can use them from Mroonga 9.00!


  • [CentOS] Supported Percona Server 5.7.24-27.

  • [CentOS] Supported Percona Server 5.6.43 rel84.3.

  • [rpm][centos] Supported MariaDB 10.3.12.

  • [rpm][centos] Supported MariaDB 10.2.21.

  • [rpm][centos] Supported Percona Server 5.7.24-27.

  • [rpm][centos] Supported Percona Server 5.6.43 rel84.3.

  • [rpm][centos] Supported MySQL 5.7.25.

  • [rpm][centos] Supported MySQL 5.6.43.

Release 8.09 - 2018-11-29


  • [Ubuntu] Supported Ubuntu 18.10 (Cosmic Cuttlefish).

  • [Windows] Supported MariaDB 10.3.10.

  • [CentOS] Supported MariaDB 10.2.19

  • [CentOS] Supported MariaDB 10.1.37

  • [CentOS] Supported Percona Server 5.7.23-25.

  • [rpm][centos] Supported MariaDB 10.3.11.

  • [rpm][centos] Supported MySQL 5.6.42.

  • [rpm][centos] Supported MySQL 5.7.24.


We deleted information as below.

“Supported MySQL 8”

Sorry, There was wrong release information in Mroonga 8.09. The MySQL 8 is not supported. That is still being handled.

Release 8.07 - 2018-09-29


  • Deprecated tokenizer off option. Use tokenizer none option instead.

  • Dropped support for MariaDB 10.2.2 which is shipped at Sep 27, 2016 and older series.


  • [CentOS] Supported MariaDB 10.1.36.

Release 8.06 - 2018-08-29

In this version, MySQL will be automatically restarted if you had already installed Mroonga and not installed Groonga 8.0.4 or later. Because Mroonga 8.06 requires Groonga 8.0.4 or later but it will not reloaded until MySQL is restarted.


  • Updated required Groonga version to 8.0.4 or later.

  • Updated required groonga-normalizer-mysql version to 1.1.3 or later.

  • Supported utf8mb4_0900 family collation.

  • Supported tokenizer options.

  • Use the Groonga’s default logger.

  • [Windows] Updated bundled MariaDB to 10.3.9 from 10.1.33.

    • NOTICE: Before upgrading to MariaDB 10.3, you need to dump existing MariaDB 10.1 databases. Then restore it after upgrading.

  • [Debian GNU/Linux] Dropped Debian 8 (jessie) support.

  • [Ubuntu] Dropped Ubuntu 17.10 (Artful Aardvark) support.

  • [WIP] Working on supporting MySQL 8.

    • The storage mode is almost done (JSON type doesn’t work yet).

    • The wrapper mode is in progress.


  • [storage] Fixed a bug that wrong result may be returned on multi range read. [GitHub#211][Reported by colt27]


  • colt27

Release 8.03 - 2018-05-29


  • [Docker] Added quick start guide link to Docker Hub.

  • [CentOS] Supported MariaDB 10.3.7.

  • [CentOS] Supported MariaDB 10.2.15 (backported to 8.02).

  • [CentOS] Supported MariaDB 10.1.33 (backported to 8.02).


  • [Ubuntu] Fixed install failure on Ubntu 14.04 LTS (Trusty) (backported to 8.02). [GitHub#202,#205][Reported by Masato Hirai]


  • Masato Hirai

Release 8.02 - 2018-04-29


  • [Ubuntu] Supported Ubuntu 18.04 LTS (Bionic Beaver).

  • [Debian GNU/Linux] Supported i386 for Jessie.

  • Suppress meaningless “duplicated unique id” error log. [GitHub#197]

  • [developer][test] Supported –record option.

  • [CentOS] Use groonga-release-latest instead of groonga-release-X.X.X.

  • [Installation check] Added version check howto.

  • [CentOS][percona] Supported upgrading from “< 5.6.34” and “< 5.7.21”. [groonga-dev,04599][Reported by Takashi Kinoshita][Looked into by Satoshi Mitani]

  • [CentOS] Supported MySQL 5.6.40 and 5.7.22.

  • [CentOS] Supported Percona Server 5.7.21-21.


  • Fixed a crash bug when some complex condition in ORDER BY such as ORDER BY 1 + 1, id, content.

  • Fixed a bug that MATCH AGAINST condition is ignored if SQL containing such as AND (x = 1 OR x = 2) when condition push down is enabled. [Gitter/ja:5ae014842b9dfdbc3ac7ce1f][Reported by colt27]

  • Fixed a memory leak for column caches.


  • Takashi Kinoshita

  • Satoshi Mitani

  • colt27

Release 8.01 - 2018-03-29

In this version, MySQL will be automatically restarted if you had already installed Mroonga. This is because Mroonga requires newer version of Groonga (8.0.1) to fix bugs, but it will not reloaded until MySQL is restarted.


  • [rpm][centos] Supported Percona Server 5.6.39. [Reported by @iiiiyyyy]

  • [rpm][centos] Supported Percona Server 5.7.21.

  • [rpm][centos] Supported MariaDB 10.2.13. [GitHub#198] [Reported by shota suzuki]

  • [rpm][centos] Supported MariaDB 10.2.14.


  • Fixed a bug that wrong cache for other database is used. If you create multiple database and use mroonga_command() against one of them, wrong cache is returned unexpectedly. To fix this issue, Groonga 8.0.1 or later is required.

  • Fixed a bug that “NOT IN” query returns empty result. This bug occurs when “NOT IN” is used with multiple arguments such as “NOT IN (xxx, xxx)”

  • Fixed a bug that specified “NOT IN” can’t exclude correctly when condition push down is enabled.

  • Fixed a bug that “ORDER BY RAND()” query returns wrong result. This bug occurs when “ORDER BY RAND()” and “LIMIT” is specified at the same time.

  • Fixed a bug that “fast order limit” optimization is applied unexpectedly to “ORDER BY function()”.


  • @iiiiyyyy

  • shota suzuki

Release 8.00 - 2018-02-09

This is a major version up! But It keeps backward compatibility. You can upgrade to 8.0.0 without rebuilding database.


  • When create hash index, used tiny hash for reducing used resource.

  • [percona57] Added gap lock detection support. [GitHub#188][Reported by Iwo]


  • Iwo

Release 7.11 - 2018-01-29


  • [test] Added a test case for sub query and order limit optimization. [GitHub#184] [Reported by Kazuki Hamasaki]

  • [rpm][centos] Supported 10.3.

  • [deb][ubuntu] Supported MariaDB 10.1 for Ubuntu 17.10 (Artful Aadvark)


  • [Mroonga_n_pooling_contexts] Fixed a bug that value is reset unexpectedly by FLUSH STATUS.

  • [maradb10.3] Fixed a build error which is caused by renamed constant variable (HA_MUST_USE_TABLE_CONDITION_PUSHDOWN is renamed to HA_CAN_TABLE_CONDITION_PUSHDOWN).

  • [macOS] Removed obsolete install guide and updated link to latest documentation [Reported by Ryuji AMANO]

  • [rpm][centos] Supported MariaDB 10.2.12. [GitHub#186] [Reported by Shota Suzuki]

  • [rpm][centos] Supported Percona Server 5.7.20-19.

  • [Ubuntu] Dropped Ubuntu 17.04 (Zesty Zapus) support. It has reached EOL at Jan 13, 2018.


  • Kazuki Hamasaki

  • Ryuji AMANO

  • Shota Suzuki

Release 7.10 - 2017-12-29


  • Updated required Groonga version to 7.1.0. You need to restart MySQL after you upgrade to Mroonga 7.10.

  • [mariadb10.3] Supported MariaDB 10.3.

  • [rpm][centos] Supported MariaDB 10.2.11.

  • [rpm][centos] Supported MariaDB 10.1.30.

  • [rpm][centos] Supported Percona Server 5.7.20.

  • [rpm][centos] Supported Percona Server 5.6.38.

  • [Optimizations] Enable count_skip optimization for multi-column index.

  • Supported condition push down and added related new variables.

    • [Mroonga_condition_push_down] Added Mroonga_condition_push_down.

    • [mroonga_condition_push_down_type] Added mroonga_condition_push_down_type. The default value is ONE_FULL_TEXT_SEARCH. It means that condition push down is enabled only when WHERE clause has one MATCH AGAINST condition. If the value ALL is set, condition push down is always used (ALL is experimental for now. We are glad if you use it and tell us if it got faster or not).

  • Supported column cache when to get fixed size column value to improve performance.

  • Renamed a function last_insert_grn_id to mroonga_last_insert_grn_id to add missing mroonga_ prefix. last_insert_grn_id is deprecated. [GitHub#177] [Reported by Ian Gilfillan]

  • [Mroonga_n_pooling_contexts] Added a new status variable to show the number of pooling contexts for mroonga_command().

  • [ FLUSH TABLES ] Added clearing pooling contexts for mroonga_command() support.


  • Ian Gilfillan

Release 7.09 - 2017-11-29


  • [rpm][centos] Supported MariaDB 10.2.10.

  • [rpm][centos] Supported MariaDB 10.1.29.

  • Fixed not to require sed to run tests. [Patch by Sergei Golubchik]

  • [cmake] Changed to skip Mroonga related configurations on without Mroonga build. [Patch by Vladislav Vaintroub]


  • Sergei Golubchik

  • Vladislav Vaintroub

Release 7.08 - 2017-10-29


  • Supported table level flags option. You can specify TABLE_HASH_KEY, TABLE_PAT_KEY, TABLE_DAT_KEY, and KEY_LARGE table options. [groonga-dev, 04494] [Reported by Masanori Miyashita]

  • [rpm][centos] Supported MySQL 5.6.38-2 and 5.7.20-1.

  • [Ubuntu] Supported Ubuntu 17.10 (Artful Aardvark).


  • Masanori Miyashita

Release 7.07 - 2017-10-12


  • [mroonga_query_expand] Added mroonga_query_expand UDF. If you prepare synonyms table in advance, you can get expanded synonym in your query by mroonga_query_expanded. Note that Groonga 7.0.6 or later version is required to use this function.

  • [rpm][centos] Supported Percona Server 5.7.19-17.1. [Reported by tigersun2000]

  • [rpm][centos] Supported MariaDB 5.5.56-2. [Reported by akiko_pusu]

  • [rpm][centos] Supported MariaDB 10.1/10.2 provided by MariaDB.


  • Fixed a bug that wrong database may be used on “DROP DATABASE”. This bug may cause a crash because internal “mroonga_operations” table is removed unexpectedly. It may happen when the following two conditions are true:

    1. There are multiple databases that uses Mroonga.

    2. “DROP DATABASE” against no longer Mroonga tables exist.

    As unexpected result, “DROP DATABASE x” may remove “mroonga_operations” table on existing “y” database.

  • Fix a crash bug after CHECK TABLE is used. [GitHub#167] [Reported by GMO Media, Inc.]

  • [deb][mariadb10] Added missing dependency to lsb-release package for preinst and postrm maintainer script. [GitHub#169] [Patch by Tatsuki Sugiura]


  • @tigersun2000

  • @akiko_pusu

  • GMO Media, Inc.

  • Tatsuki Sugiura

Release 7.06 - 2017-08-29


  • [mroonga_highlight_html()] Added usage about mroonga_highlight_html.

  • Supported generated column. It is useful to full-text search for partially extracted content from JSON column. [GitHub#159,#160,#163] [Patch by Naoya Murakami]

  • Added mroonga_enable_operations_recording. variable. [GitHub#158] [Patch by Naoya Murakami]

  • Supported virtual column for MariaDB 10.2 and MySQL 5.7. It supports VIRTUAL type. [GitHub#161,#162] [Patch by Naoya Murakami]

  • Supported MariaDB 10.1.26.

  • [rpm][centos] Supported Percona Server 5.6.36 rel82.1 and 5.7.18-16. [Gitter/ja:59894500bc46472974622cbd] [Reported by @tigersun2000_twitter]

  • [rpm][centos] Supported MySQL 5.6.37 and 5.7.19 on CentOS 7. [groonga-dev,04441] [Reported by Kagami Hiroshi]


  • Naoya Murakami

  • @tigersun2000_twitter

  • Kagami Hiroshi

Release 7.05 - 2017-07-29


  • Supported Groonga query log. Use mroonga_query_log_file variable to use this feature. [GitHub#148]

  • Supported MariaDB 10.2.7. [groonga-dev,04397] [Reported by Tomohiro ‘Tomo-p’ KATO]

  • [mroonga_command()] Supported database name that has special name such as db-1 for example. It contains special character -.

  • [mroonga_command()] Supported auto command syntax escape feature. It makes easy to use Groonga functionality from Mroonga.

  • Supported MariaDB 5.5.57.

  • [rpm][centos] Supported MySQL 5.6.37-2 and MySQL 5.7.19-1 on CentOS 6. [groonga-dev,04403] [Reported by Kagami Hiroshi]

  • [Ubuntu] Dropped Ubuntu 16.10 (Yekkety Yak) support. It has reached EOL at July 20, 2017.

  • [mroonga_highlight_html()] Supported a function to highlight target column or text.


  • Fixed a crash bug when there is no active index internally. [Gitter:groonga/ja:596714a5c101bc4e3a7db4e5] [Reported by K Torimoto]


  • K Torimoto

  • Tomohiro ‘Tomo-p’ KATO

  • Kagami Hiroshi

Release 7.04 - 2017-06-29


  • Supported to show error message when failed to create a table for matched records. This kind of error occurs when indexes are broken. This error message helps to identify problem.

  • [Debian GNU/Linux] Supported Debian 9 (stretch).


  • Fixed a crash bug that missing NULL check before calling grn_table_setoperation causes. Such a crash bug occurs when indexes are broken.

Release 7.03 - 2017-05-29


  • [Limitations] Updated limitations about NULL in column. [Gitter/ja] [Reported by @bignum_twitter]

  • Supported INDEX_MEDIUM and INDEX_SMALL flags. [GitHub#141] [Patch by Naoya Murakami]

  • [CentOS] Supported recent Percona Server 5.6.36 and 5.7.18. [Reported by @pinpikokun]


  • @bignum_twitter

  • @pinpikokun

  • Naoya Murakami

Release 7.02 - 2017-04-29


  • [CentOS] Dropped Ubuntu 12.04 (Precise Pangolin) support because of EOL.

  • [Ubuntu] Added Zesty Zapus (Ubuntu 17.04) support.


  • [CentOS] Fixed build error with MySQL 5.6.36 and MySQL 5.7.18.

  • [cmake] Fixed missing link to libgroonga when mroonga is bundled and libgroonga isn’t bundled. [GitHub#137] [Patch by Naoya Murakami]


  • Naoya Murakami

Release 7.01 - 2017-03-29


  • [CentOS] Dropped CentOS 5 support because of EOL.

  • [Storage mode] Supported ALTER TABLE ADD/DROP FOREIGN KEY.

  • [Storage mode] Supported fast ORDER LIMIT with ENUM. [groonga-dev,04277] [Reported by murata satoshi]

  • Supported COMPRESS_ZSTD column compression flag. [GitHub#133] [Patch by Naoya Murakami]

  • [Server variables] Added documentation about mroonga_libgroonga_support_zstd variable. [GitHub#133] [Patch by Naoya Murakaimi]

  • [Install] Changed to recommend for downloading resources.


  • [Storage mode] Fixed update error for log-bin and UPDATE with collated PRIMARY KEY. [GitHub#132] [Reported by kitora]

  • Fixed a bug that FOREIGN KEY is dumped unexpectedly even though you didn’t set it. [groonga-dev,04276] [Reported by murata satoshi]


  • kitora

  • murata satoshi

  • Naoya Murakami

Release 7.00 - 2017-02-09


  • [CentOS] Changed to ensure enabling EPEL to install package.

  • Supported FOREIGN KEY constrain on UPDATE and DELETE parent row. In the previous versions, only FOREIGN KEY constrain on INSERT is supported.

  • [Storage mode] Supported updating row even though its table has primary key with ROW binlog format. In the previous version, it causes update statement error. [GitHub#130] [Reported by kitora]


  • kitora

Past releases