Kouhei Sutou
null+****@clear*****
Wed Jun 7 14:51:49 JST 2017
Kouhei Sutou 2017-06-07 14:51:49 +0900 (Wed, 07 Jun 2017) New Revision: 694752ab25a7fc9920ce2ef4605f610dc049479d https://github.com/pgroonga/pgroonga.github.io/commit/694752ab25a7fc9920ce2ef4605f610dc049479d Message: script-v2: add more information Modified files: reference/operators/script-v2.md reference/operators/similar-search-v2.md Modified: reference/operators/script-v2.md (+19 -5) =================================================================== --- reference/operators/script-v2.md 2017-06-07 14:48:59 +0900 (f21e127) +++ reference/operators/script-v2.md 2017-06-07 14:51:49 +0900 (c3faf1c) @@ -9,7 +9,7 @@ Since 2.0.0. ## Summary -`` &` `` operator searches records with search condition written in [script syntax](http://groonga.org/docs/reference/grn_expr/script_syntax.html). Script syntax is a powerful syntax. You can use many operations such as full text search, prefix search, range search and so on. +`` &` `` operator searches records with search condition written in [script syntax][groonga-script-syntax]. Script syntax is a powerful syntax. You can use many operations such as full text search, prefix search, range search and so on. ## Syntax @@ -17,11 +17,21 @@ Since 2.0.0. column &` script ``` -`column` is a column to be searched. +`column` is a column to be searched. It's `text` type, `text[]` type or `varchar` type. -`script` is a script that specifies search conditions. It's `text` type. +`script` is a script that specifies search conditions. It's `text` type for `text` type or `text[]` type `column`. It's `varchar` type for `varchar` type `column`. -Syntax in `script` is [script syntax](http://groonga.org/docs/reference/grn_expr/script_syntax.html). +Syntax in `script` is [script syntax][groonga-script-syntax]. + +## Operator classes + +You need to specify one of the following operator classes to use this operator: + + * `pgroonga.text_full_text_search_ops_v2`: For `text`. + + * `pgroonga.text_array_full_text_search_ops_v2`: For `text[]`. + + * `pgroonga.varchar_full_text_search_ops_v2`: For `varchar`. ## Usage @@ -60,8 +70,12 @@ The specified script `'id >= 2 && (content @ "engine" || content @ "rdbms")'` me * `content` must contain `"engine"` or `"rdbms"` (full text search) -You can also use [functions](http://groonga.org/docs/reference/function.html) in the script. +You can also use [functions][groonga-functions] in the script. ## Sequential scan You can't use this operator with sequential scan. + +[groonga-script-syntax]:http://groonga.org/docs/reference/grn_expr/script_syntax.html + +[groonga-functions]:http://groonga.org/docs/reference/function.html Modified: reference/operators/similar-search-v2.md (+2 -2) =================================================================== --- reference/operators/similar-search-v2.md 2017-06-07 14:48:59 +0900 (bfe4ec1) +++ reference/operators/similar-search-v2.md 2017-06-07 14:51:49 +0900 (927694c) @@ -5,9 +5,9 @@ upper_level: ../ # `&~?` operator -## Summary +Since 2.0.0. -This operator uses v2 operator class. It doesn't provide backward compatibility until PGroonga 2.0.0. Use it carefully. +## Summary `&~?` operator performs similar search. -------------- next part -------------- HTML����������������������������...Download
