diff options
Diffstat (limited to 'util/updates')
-rw-r--r-- | util/updates/update_2.7.sql | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/util/updates/update_2.7.sql b/util/updates/update_2.7.sql new file mode 100644 index 00000000..e9061106 --- /dev/null +++ b/util/updates/update_2.7.sql @@ -0,0 +1,108 @@ + + +-- add a flag to users whose votes we want to ignore +ALTER TABLE users ADD COLUMN ign_votes boolean NOT NULL DEFAULT FALSE; + +CREATE OR REPLACE FUNCTION update_vnpopularity() RETURNS void AS $$ +BEGIN + CREATE OR REPLACE TEMP VIEW tmp_pop1 (uid, vid, rank) AS + SELECT v.uid, v.vid, sqrt(count(*))::real + FROM votes v +-- JOIN users u ON u.id = v.uid AND NOT u.ign_votes -- slow + JOIN votes v2 ON v.uid = v2.uid AND v2.vote < v.vote + WHERE v.uid NOT IN(SELECT id FROM users WHERE ign_votes) -- faster + GROUP BY v.vid, v.uid; + CREATE OR REPLACE TEMP VIEW tmp_pop2 (vid, win) AS + SELECT vid, sum(rank) FROM tmp_pop1 GROUP BY vid; + UPDATE vn SET c_popularity = COALESCE((SELECT win/(SELECT MAX(win) FROM tmp_pop2) FROM tmp_pop2 WHERE vid = id), 0); + RETURN; +END; +$$ LANGUAGE plpgsql; + + + +-- VN relations cleanup + +UPDATE vn_relations SET relation = relation + 50 WHERE relation IN(8, 9, 10); +UPDATE vn_relations SET relation = relation - 1 WHERE relation > 3 AND relation < 50; +UPDATE vn_relations SET relation = 7 WHERE relation = 60; +DELETE FROM vn_relations WHERE relation > 50; + +-- Be sure to execute the following query after restarting Multi, to regenerate the relation graphs: +-- UPDATE vn SET rgraph = NULL; + + + + + +-- set freeware flag for all trials with internet download as medium + +CREATE FUNCTION tmp_edit_release(iid integer) RETURNS void AS $$ +DECLARE + cid integer; + oid integer; +BEGIN + SELECT INTO oid latest FROM releases WHERE id = iid; + INSERT INTO changes (type, requester, ip, comments, rev) + VALUES (1, 1, '0.0.0.0', + E'Automated edit with the update to VNDB 2.7.\n\nThis release is a downloadable trial, freeware flag is assumed.', + (SELECT rev+1 FROM changes WHERE id = oid)) + RETURNING id INTO cid; + INSERT INTO releases_rev (id, rid, title, original, type, website, released, notes, + minage, gtin, patch, catalog, resolution, voiced, freeware, doujin, ani_story, ani_ero) + SELECT cid, rid, title, original, type, website, released, notes, + minage, gtin, patch, catalog, resolution, voiced, true, doujin, ani_story, ani_ero + FROM releases_rev WHERE id = oid; + INSERT INTO releases_media (rid, medium, qty) SELECT cid, medium, qty FROM releases_media WHERE rid = oid; + INSERT INTO releases_platforms (rid, platform) SELECT cid, platform FROM releases_platforms WHERE rid = oid; + INSERT INTO releases_producers (rid, pid) SELECT cid, pid FROM releases_producers WHERE rid = oid; + INSERT INTO releases_lang (rid, lang) SELECT cid, lang FROM releases_lang WHERE rid = oid; + INSERT INTO releases_vn (rid, vid) SELECT cid, vid FROM releases_vn WHERE rid = oid; + UPDATE releases SET latest = cid WHERE id = iid; +END; +$$ LANGUAGE plpgsql; + +SELECT tmp_edit_release(r.id) + FROM releases r + JOIN releases_rev rr ON rr.id = r.latest + WHERE r.hidden = FALSE + AND rr.type = 2 + AND NOT rr.freeware + AND EXISTS(SELECT 1 FROM releases_media rm WHERE rm.medium = 'in ' AND rm.rid = rr.id) + ORDER BY r.id; + +DROP FUNCTION tmp_edit_release(integer); + + + +-- Really don't consider VNs with AVG(vote) < 0 on tag pages +CREATE OR REPLACE FUNCTION tag_vn_calc() RETURNS void AS $$ +BEGIN + -- all votes for all tags + CREATE OR REPLACE TEMPORARY VIEW tags_vn_all AS + SELECT * FROM tags_vn UNION SELECT * FROM tag_vn_childs(); + -- grouped by (tag, vid, uid), so only one user votes on one parent tag per VN entry + CREATE OR REPLACE TEMPORARY VIEW tags_vn_grouped AS + SELECT tag, vid, uid, MAX(vote)::real AS vote, COALESCE(AVG(spoiler), 0)::real AS spoiler + FROM tags_vn_all GROUP BY tag, vid, uid; + -- grouped by (tag, vid) and serialized into a table + DROP INDEX IF EXISTS tags_vn_bayesian_tag; + TRUNCATE tags_vn_bayesian; + INSERT INTO tags_vn_bayesian + SELECT tag, vid, COUNT(uid) AS users, AVG(vote)::real AS rating, + (CASE WHEN AVG(spoiler) < 0.7 THEN 0 WHEN AVG(spoiler) > 1.3 THEN 2 ELSE 1 END)::smallint AS spoiler + FROM tags_vn_grouped + GROUP BY tag, vid + HAVING AVG(vote) > 0; + CREATE INDEX tags_vn_bayesian_tag ON tags_vn_bayesian (tag); + -- now perform the bayesian ranking calculation + UPDATE tags_vn_bayesian tvs SET rating = + ((SELECT AVG(users)::real * AVG(rating)::real FROM tags_vn_bayesian WHERE tag = tvs.tag) + users*rating) + / ((SELECT AVG(users)::real FROM tags_vn_bayesian WHERE tag = tvs.tag) + users)::real; + -- and update the VN count in the tags table as well + UPDATE tags SET c_vns = (SELECT COUNT(*) FROM tags_vn_bayesian WHERE tag = id); + RETURN; +END; +$$ LANGUAGE plpgsql; +SELECT tag_vn_calc(); + |