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Create redisearch-2.2-release-notes.md (#1664)
* Create redisearch-2.2-release-notes.md * Fixes for formatting and typos Co-authored-by: Rachel Elledge <86307637+rrelledge@users.noreply.github.com>
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content/modules/redisearch/release-notes/redisearch-2.2-release-notes.md
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| Title: RediSearch 2.2 release notes | ||
| linkTitle: v2.2 (November 2020) | ||
| description: | ||
| weight: 94 | ||
| alwaysopen: false | ||
| categories: ["Modules"] | ||
| --- | ||
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| ## v2.2.5 (November 2021) | ||
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| This is the General Availability release of RediSearch 2.2. | ||
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| ### Headlines | ||
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| #### Searching and indexing JSON documents | ||
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| This release introduces the ability to [index, query, and full-text search JSON documents](https://oss.redis.com/redisearch/master/Indexing_JSON/) using JSONPath queries. | ||
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| On the schema creation [FT.CREATE](https://oss.redis.com/redisearch/master/Commands/#ftcreate), it is now possible to map a JSONPath query with a field. When a JSON document is indexed, the value extracted by the JSONPath query is indexed in the given field. | ||
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| _This features require the module [RedisJSON 2.0](https://www.redisjson.io) to be installed._ | ||
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| #### Profiling queries | ||
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| With the new [FT.PROFILE](https://oss.redis.com/redisearch/master/Commands/#ftprofile) command, it is now possible to profile in detail the execution time of several internal steps involved in the execution of [FT.SEARCH](https://oss.redis.com/redisearch/master/Commands/#ftsearch) and [FT.AGGREGATE](https://oss.redis.com/redisearch/master/Commands/#ftaggregate). | ||
| That way, it is possible to understand which part of the query is taking most of the resources. | ||
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| #### Field aliasing | ||
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| With the support of JSON document indexing, it is now possible to map a JSONPath query to an alias. Therefore, it is possible to index the same value in different fields with different indexing strategies. | ||
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| Details: | ||
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| - Enhancements: | ||
| - #[2337](https://github.com/redisearch/redisearch/issues/2337) Add support for Redis COPY command | ||
| - #[2243](https://github.com/redisearch/redisearch/issues/2243) Add `LOAD *` for [FT.AGGREGATE](https://oss.redis.com/redisearch/master/Commands/#ftaggregate) | ||
| - #[2207](https://github.com/redisearch/redisearch/issues/2207) Add multi value recursive decent tag | ||
| - #[2188](https://github.com/redisearch/redisearch/issues/2188) Add [UNF flag for SORTABLE](https://oss.redis.com/redisearch/master/Sorting/#normalization_unf_option) fields | ||
| - #[2184](https://github.com/redisearch/redisearch/issues/2184) LLAPI getter functions for score, language, and stopwords list | ||
| - #[2133](https://github.com/redisearch/redisearch/issues/2133) JSON array can be stored in a TAG field | ||
| - #[2153](https://github.com/redisearch/redisearch/issues/2153) Improve [FT.INFO](https://oss.redis.com/redisearch/master/Commands/#ftinfo) complexity to O(1) | ||
| - #[2138](https://github.com/redisearch/redisearch/issues/2138) Add [CASESENSITIVE](https://oss.redis.com/redisearch/master/Tags/#creating_a_tag_field) to TAG fields | ||
| - #[2137](https://github.com/redisearch/redisearch/issues/2137) [FT.INFO](https://oss.redis.com/redisearch/master/Commands/#ftinfo) has identifier and attribute for fields | ||
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| - Bug fixes: | ||
| - #[2341](https://github.com/redisearch/redisearch/issues/2341) Fix score field for JSON | ||
| - #[2325](https://github.com/redisearch/redisearch/issues/2325) Fix escaping for tags | ||
| - #[2269](https://github.com/redisearch/redisearch/issues/2269) Remove empty tag values | ||
| - #[2223](https://github.com/redisearch/redisearch/issues/2223) Replace NULL with empty iterator for child of negative iterator | ||
| - #[2215](https://github.com/redisearch/redisearch/issues/2215) Update field limit on tags | ||
| - #[2143](https://github.com/redisearch/redisearch/issues/2143) Partial JSON documents are not indexed | ||
| - #[2109](https://github.com/redisearch/redisearch/issues/2109) Field loaded with 'AS' can't be used by functions | ||
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| Notes: | ||
| This is the first GA version of 2.2. The version inside Redis will be 2.2.5 in semantic versioning. | ||
| _Since the version of a module in Redis is numeric, we could not add a GA flag._ |