Bm25search open sourcing and new release #4620
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Allow 10 minutes from last push for the staging site to build. If the link doesn't work, try using incognito mode instead. For internal reviewers, check web-documentation repo actions for staging build status. Link to build for this PR: http://docs-dev.timescale.com/docs-bm25search-open-sourcing |
| This preview release focuses on core BM25 functionality. It has the following limitations: | ||
| * **Memory-only storage**: indexes are limited by `pg_textsearch.index_memory_limit` (default 64MB) |
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This limit goes away with 0.1.0, or at least, once it's deployed in January
| This preview release focuses on core BM25 functionality. It has the following limitations: | ||
| * **Memory-only storage**: indexes are limited by `pg_textsearch.index_memory_limit` (default 64MB) | ||
| * **No phrase queries**: cannot search for exact multi-word phrases yet |
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No plans right now to add phrase query support, actually.
| This page shows you how to install `pg_textsearch`, configure BM25 indexes, and optimize your search capabilities using | ||
| the following best practice: | ||
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| * **Memory planning**: size your `index_memory_limit` based on corpus vocabulary and document count |
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Shouldn't be necessary in 0.1.0
| 1. **Perform ranked searches using the distance operator** | ||
| ```sql | ||
| SELECT name, description, |
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The code examples should also change, at least for 0.1.0 -- they can now use the text <@> text operator variant, e.g.:
SELECT name, description, description <@> 'ergonomic work' as score
FROM products
ORDER BY score
LIMIT 3There was a problem hiding this comment.
updated the queries
Signed-off-by: Iain Cox <iain@tigerdata.com>
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