21 lines
803 B
SQL
21 lines
803 B
SQL
-- Prepare a materialised view containing the tsvector data for all
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-- threads and posts. This view is indexed using a GIN-index to enable
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-- performant full-text searches.
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--
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-- For now the query language is hardcoded to be English.
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CREATE MATERIALIZED VIEW search_index AS
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SELECT p.id AS post_id,
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p.author_name AS author,
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t.id AS thread_id,
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t.title AS title,
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p.body AS body,
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setweight(to_tsvector('english', t.title), 'B') ||
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setweight(to_tsvector('english', p.body), 'A') ||
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setweight(to_tsvector('simple', t.author_name), 'C') ||
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setweight(to_tsvector('simple', p.author_name), 'C') AS document
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FROM posts p
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JOIN threads t
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ON t.id = p.thread_id;
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CREATE INDEX idx_fts_search ON search_index USING gin(document);
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