groonga - An open-source storage engine for fast fulltext search with MySQL.

News

Release 1.11 - 2011/12/29

Improvements

  • Supported MySQL 5.5.19.
  • Supported MySQL 5.6.4.
  • Dropped MySQL 5.6.3 support.
  • Supported Fedora 16.
  • Dropped Fedora 15 support.
  • Suppress strict-aliasing warnings. [groonga-dev,00659] [Reported by Kazuhiko Shiozaki]
  • Supported utf8, binary, ascii, latin1, cp932, sjis, eucjpms, ujis and koi8r charset. [#1160] [Reported by nobody]
  • [wrapper mode] Improved rollback handling on delete. [#1224] [Reported by Koichi Shishikura]

Fixes

  • [storage mode] Fixed a bug that full text search on a table without primary key returns empty results. [#1193] [Reported by Kazuhiko Shiozaki]
  • Fixed -Wno- compiler flag detection. [Patch by Arnaud Fontaine]
  • [wrapper mode] Fixed a problem that index isn't used for full count. [#1196][groonga-dev,0653] [Reported by Kaneoka]

Thanks

  • Kazuhiko Shiozaki
  • Arnaud Fontaine
  • Kaneoka
  • nobody
  • Koichi Shishikura

Release 1.10 - 2011/11/29

Since this release, this project and product is called "mroonga" instead of "groonga storage engine".

This release introduces MariaDB support and fixes several bugs.

Improvements

  • rename to "mroonga" from "groonga storage engine". #1170
  • add groonga_libgroonga_version and groonga_version variables. #1158
  • information_schema.plugins.plugin_version returns mroonga's version. #1157
  • add groonga_log_file variable. #1178 [Suggested by nobody]
  • FLUSH STATUS flushes groonga_* status variables. #1166 [Reported by Kazuhiko]
  • support TRUNCATE TABLE #1151. [Suggested by Takahiro Nagai]
  • support ALTER TABLE #1168.
  • support MariaDB 5.2.9. #1152 [Reported by Kazuhiko]
  • support MariaDB 5.3.2-beta. #1152 [Reported by Kazuhiko]
  • [rpm] split document package.
  • improve memory allocation for string system variables.
  • use PLUGIN_LICENSE_GPL. [Suggested by Kazuhiko]
  • remove needless MeCab related configurations.
  • support FOUND_ROWS() and SQL_CALC_FOUND_ROWS. #1163 [Reported by Horikoshi Yuki]
  • support table name that contains '-'. #1165 [Reported by nobody]
  • support inplace index change on MySQL 5.1.
  • [deb] support i386.
  • [rpm] support i386.

Fixes

  • [storage mode] fix a bug that REPLACE INTO with TEXT column does not work. #1153 [Reported by Kazuhiko]
  • [wrapper mode] fix a bug that INSERT inside LOCK TABLE does not work with InnoDB. #1154 [Reported by Kazuhiko]
  • fix a bug that using ORDER and LIMIT returns a wrong result. #1161 [Reported by Horikoshi Yuki]
  • fix a crash bug when FORCE INDEX with unknown key is used. #1181 [Reported by Takahiro Nagai]

Thanks

  • Kazuhiko
  • Horikoshi Yuki
  • nobody
  • Takahiro Nagai

Release 1.0.1 - 2011/10/29

The important changes in this release are the enhancement of geolocation search and the improvement of dynamic index modification in storage mode.

Improvements

  • [storage mode][wrapper mode] support reopening a database by flush tables.
  • [wrapper mode] support geolocation index. (Only Point type can be stored in a column. Search using index is only available for MBRContains).
  • [benchmark] add groonga_dry_write variable to specify not to write to groonga database, that is useful to check bottle necks in benchmarks.
  • mention MySQL version in the installation guide for CentOS 6. [proposed by @yoshi_ken]
  • [geolocation] improve performance by skip needless processes.
  • add --disable-fast-mutexes configure option to ignore fast mutexes even if mysql_config says it is enabled.
  • [storage mode] support create index.
  • [storage mode] support drop index.
  • [storage mode] support multi columns index for full text search.
  • support D pragma.
  • support MySQL 5.5.17.
  • support MySQL 5.6.3-m6.
  • support groonga 1.2.7. (1.2.6 or below are no longer supported).
  • support Ubuntu 11.10 Oneiric Ocelot.

Fixes

  • fix a bug that we have no results if we specify '+' at the beginning of the query in boolean mode. [reported by Hajime Nishiyama]
  • [Fedora] fix package dependencies. [reported by Takahiro Nagai]
  • [Fedora] fix a problem that we get undefined symbol error when the plugin is loaded. [reported by Takahiro Nagai]
  • [storage mode] fix a bug that index will not be correctly created if varchar is used in a multi-column index. #1143 [reported by Takahiro Nagai]

Thanks

  • @yoshi_ken
  • Hajime Nishiyama
  • Takahiro Nagai

1.0.0 リリース - 2011/09/29

初回リリースから約1年経って、初のメジャーリリース!

改良

  • [ラッパーモード] drop index対応。 #1040
  • [ストレージモード] GEOMETRY対応。(ただし、カラムに保存できる型はPointのみ対応。インデックスを利用した位置検索はMBRContainsのみ対応。) #1041
  • [ストレージモード] マルチカラムインデックスに対応。 #455
  • [ストレージモード][ラッパーモード] 全文検索用パーサー(トークナイザー)のカスタマイズに対応。 #592
  • configureにデフォルトの全文検索用パーサーを指定する --with-default-parser オプションを追加。
  • 実行時にデフォルトの全文検索用パーサーを指定する groonga_default_parser 変数を追加。
  • [ラッパーモード] ストレージモードで実装している orderlimit が指定された場合に必要のないレコードを返さないようにする高速化に対応。
  • [ストレージモード] 1つの select 中での複数の match against 指定に対応。
  • [非互換][ストレージモード] _score カラムの削除。代わりにMySQL標準の書き方である match against を使ってください。
  • [ラッパーモード] プライマリキーの更新に対応。
  • MySQL 5.5.16に対応。
  • CentOS 6に対応。
  • groonga 1.2.6に対応。(1.2.5以下のサポートを削除。)

修正

  • [Ubuntu] Lucid上でインストールエラーが発生する問題を修正。 (Isao Sugimotoさんが報告)
  • auto_incrementを使った場合にテキストデータが壊れる問題を修正。 (@zaubermaerchenさんが報告) #1072
  • [Ubuntu] Lucid上でテーブルを削除するとクラッシュする問題を修正。 #1063 (Isao Sugimotoさんが報告)
  • MySQLと同じビルドオプションを使っていなかった問題を修正。 GitHub#4 (groongaのGitHubのIssues) (Tomohiro MITSUMUNEさんが報告)

感謝

  • Isao Sugimotoさん
  • @zaubermaerchenさん
  • Tomohiro MITSUMUNEさん