DebaucheryLibrarian/traxxx
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Using dedicated releases search table for ts vector documents.

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This commit is contained in:
ThePendulum
2020-02-26 22:33:15 +01:00
parent 4910f8650f
commit 3c30e9107a
5 changed files with 69 additions and 46 deletions
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28
migrations/20190325001339_releases.js
View File

@@ -466,16 +466,33 @@ exports.up = knex => Promise.resolve()
table.unique(['tag_id', 'release_id']);
}))
.then(() => knex.schema.createTable('releases_search', (table) => {
table.integer('release_id', 16)
.references('id')
.inTable('releases');
}))
.then(() => knex.raw(`
ALTER TABLE releases_search
ADD COLUMN document tsvector;
CREATE UNIQUE INDEX releases_search_unique ON releases_search (release_id);
CREATE INDEX releases_search_index ON releases_search USING GIN (document);
COMMENT ON COLUMN actors.height IS E'@omit read,update,create,delete,all,many';
COMMENT ON COLUMN actors.weight IS E'@omit read,update,create,delete,all,many';
CREATE FUNCTION search_sites(search text) RETURNS SETOF sites AS $$
SELECT * FROM sites
WHERE
name ILIKE ('%' || search || '%') OR
slug ILIKE ('%' || search || '%') OR
url ILIKE ('%' || search || '%')
SELECT * FROM sites
WHERE
name ILIKE ('%' || search || '%') OR
slug ILIKE ('%' || search || '%') OR
url ILIKE ('%' || search || '%')
$$ LANGUAGE SQL STABLE;
CREATE FUNCTION search_releases(query text) RETURNS SETOF releases_search AS $$
SELECT * FROM releases_search AS search
WHERE search.document @@ plainto_tsquery(replace(query, '.', ' '))
ORDER BY ts_rank(search.document, plainto_tsquery(replace(query, '.', ' '))) DESC;
$$ LANGUAGE SQL STABLE;
/*
@@ -519,6 +536,7 @@ exports.down = knex => knex.raw(`
DROP TABLE IF EXISTS releases_trailers CASCADE;
DROP TABLE IF EXISTS releases_teasers CASCADE;
DROP TABLE IF EXISTS releases_tags CASCADE;
DROP TABLE IF EXISTS releases_search CASCADE;
DROP TABLE IF EXISTS actors_avatars CASCADE;
DROP TABLE IF EXISTS actors_photos CASCADE;
DROP TABLE IF EXISTS actors_social CASCADE;

34
migrations/20200225223307_search.js
View File

@@ -1,34 +0,0 @@
exports.up = knex => Promise.resolve()
.then(() => knex.raw(`
CREATE VIEW releases_document AS
SELECT
releases.id,
releases.site_id,
to_tsvector(releases.title) ||
to_tsvector(sites.name) ||
to_tsvector(sites.slug) ||
to_tsvector(replace(CAST(releases.date AS VARCHAR), '-', ' ')) ||
to_tsvector(string_agg(actors.name, ' ')) ||
to_tsvector(string_agg(tags.name, ' ')) as document
FROM releases
JOIN releases_actors AS local_actors ON local_actors.release_id = releases.id
JOIN releases_tags AS local_tags ON local_tags.release_id = releases.id
JOIN sites ON releases.site_id = sites.id
JOIN actors ON local_actors.actor_id = actors.id
JOIN tags ON local_tags.tag_id = tags.id
GROUP BY releases.id, sites.name, sites.slug;
COMMENT ON VIEW releases_document IS E'@foreignKey (id) references releases (id)\n@foreignKey (site_id) references sites (id)';
CREATE FUNCTION search_releases(query text) RETURNS SETOF releases_document AS $$
SELECT * FROM releases_document AS search
WHERE search.document @@ plainto_tsquery(replace(query, '.', ' '))
ORDER BY ts_rank(search.document, plainto_tsquery(replace(query, '.', ' '))) DESC;
$$ LANGUAGE SQL STABLE;
`));
exports.down = knex => Promise.resolve()
.then(() => knex.raw(`
DROP FUNCTION IF EXISTS search_releases;
DROP VIEW IF EXISTS releases_document;
`));