47 lines
No EOL
1.3 KiB
Text
47 lines
No EOL
1.3 KiB
Text
CREATE OR REPLACE FUNCTION public.search_optimized_index(
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search_query text,
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page_size integer,
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page_offset integer,
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types text[]
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) RETURNS TABLE(
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result_id integer,
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url text,
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title text,
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description text,
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tags text,
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genre_name text,
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genre_url text,
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type text,
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total_plays integer,
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rank real,
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total_count bigint
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) AS $$
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BEGIN
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RETURN QUERY
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SELECT
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s.id::integer AS result_id,
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s.url,
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s.title,
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s.description,
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array_to_string(s.tags, ', ') AS tags,
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s.genre_name,
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s.genre_url,
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s.type,
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s.total_plays,
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ts_rank_cd(
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to_tsvector('english', s.title || ' ' || s.description || array_to_string(s.tags, ' ')),
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plainto_tsquery('english', search_query)
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) AS rank,
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COUNT(*) OVER () AS total_count
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FROM optimized_search_index s
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WHERE
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(types IS NULL OR s.type = ANY(types))
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AND plainto_tsquery('english', search_query) @@
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to_tsvector('english', s.title || ' ' || s.description || array_to_string(s.tags, ' '))
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ORDER BY
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s.type = 'post' DESC,
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s.content_date DESC NULLS LAST,
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rank DESC
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LIMIT page_size OFFSET page_offset;
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END;
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$$ LANGUAGE plpgsql; |