29 lines
890 B
MySQL
29 lines
890 B
MySQL
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BEGIN TRANSACTION;
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DROP FUNCTION IF EXISTS search_posts;
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CREATE OR REPLACE FUNCTION search_posts(search_text text)
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RETURNS TABLE (
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post posts,
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pathpart text,
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board_thread_id bigint,
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relevance double precision
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) AS $$
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WITH query AS (
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SELECT websearch_to_tsquery('english', search_text) AS query
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)
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SELECT p::posts AS post, pathpart, board_thread_id,
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ts_rank(p.body_search_index, query.query)
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/ (1 + EXTRACT(EPOCH FROM AGE(p.creation_time)) / (3600 * 24)) AS relevance
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FROM posts p JOIN threads ON threads.thread_id = p.thread_id JOIN boards ON boards.board_id = threads.board_id, query
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WHERE p.body_search_index @@ query.query
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ORDER BY relevance
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DESC
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$$ LANGUAGE sql STABLE;
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GRANT EXECUTE ON FUNCTION search_posts TO chan_archive_anon;
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GRANT EXECUTE ON FUNCTION search_posts TO chan_archiver;
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REVOKE EXECUTE ON FUNCTION search_posts FROM PUBLIC;
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ROLLBACK;
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