Kentaro Hayashi
null+****@clear*****
Fri Jul 28 22:38:30 JST 2017
Kentaro Hayashi 2017-07-28 22:38:30 +0900 (Fri, 28 Jul 2017) New Revision: 35efbc96e08ed535256690aa82e0fa7637bc2b1e https://github.com/groonga/groonga.org/commit/35efbc96e08ed535256690aa82e0fa7637bc2b1e Message: blog en: update description Modified files: en/_posts/2017-07-29-groonga-7.0.5.md Modified: en/_posts/2017-07-29-groonga-7.0.5.md (+21 -20) =================================================================== --- en/_posts/2017-07-29-groonga-7.0.5.md 2017-07-27 18:35:24 +0900 (692fadc) +++ en/_posts/2017-07-29-groonga-7.0.5.md 2017-07-28 22:38:30 +0900 (bb27afa) @@ -15,19 +15,19 @@ How to install: [Install](/docs/install.html) Here are important changes in this release: - * [dump] Supported `--sort_hash_table` option - * Supported math_abs() function - * Dropped Ubuntu 16.10 (Yakkety Yak) support + * [dump] `--sort_hash_table` option has been supported + * math_abs() function has been supported + * Ubuntu 16.10 (Yakkety Yak) support has been dropped -#### [dump] Supported `--sort_hash_table` option +#### [dump] `--sort_hash_table` option has been supported In this release, dump command supported `--sort_hash_table` option. -If this option is specified as `--sort_hash_table yes`, dump command shows sorted result by `_key`. +If this option is specified as `--sort_hash_table yes`, dump command shows result sorted by `_key`. It is useful to check difference about dumped results of hash table. -#### Supported math_abs() function +#### math_abs() function has been supported In this release, math_abs() function was supported. This function is used to calculate absolute value. @@ -37,29 +37,30 @@ Register math plugin to use this function. Here is the sample schema and data: - table_create Shops TABLE_HASH_KEY ShortText - column_create Shops from_station COLUMN_SCALAR Int32 - - load --table Shops + table_create City TABLE_HASH_KEY ShortText + column_create City utc COLUMN_SCALAR Int32 + + load --table City [ - {"_key": "Coffee Shop", "from_station": 50}, - {"_key": "Donut & Coffee Shop", "from_station": 400}, - {"_key": "Cake & Coffee Shop", "from_station": 200} + {"_key": "Tokyo", "utc": 9}, + {"_key": "New York", "utc": -4}, + {"_key": "Paris", "utc": 2} ] - -Let's search nearest shops from office. assume that office is 250m from station. + +Let's search near city from Singapore. In this context, near means +that the value of time difference is smaller one. You can search it by the following query: - select Shops \ + select City \ --filter true \ - --output_columns '_key, from_office' \ - --scorer '_score = math_abs(250 - from_station)' \ + --output_columns '_key, utc, _score' \ + --scorer '_score = math_abs(8 - utc)' \ --sort_keys _score -#### Dropped Ubuntu 16.10 (Yakkety Yak) support +#### Ubuntu 16.10 (Yakkety Yak) support has been dropped -In this release, Ubuntu 16.10 (Yakkety Yak) support was dropped. It has reached EOL at July 20, 2017. +In this release, Ubuntu 16.10 (Yakkety Yak) support was dropped. It has reached EOL on July 20, 2017. ### Conclusion -------------- next part -------------- HTML����������������������������...Download
