diff options
Diffstat (limited to 'util/sql/func.sql')
-rw-r--r-- | util/sql/func.sql | 760 |
1 files changed, 225 insertions, 535 deletions
diff --git a/util/sql/func.sql b/util/sql/func.sql index 51711f77..e5e12eab 100644 --- a/util/sql/func.sql +++ b/util/sql/func.sql @@ -23,60 +23,56 @@ CREATE OR REPLACE FUNCTION strip_spoilers(t text) RETURNS text AS $$ $$ LANGUAGE sql IMMUTABLE; --- update_vncache(id) - updates the c_* columns in the vn table +-- update_vncache(id) - updates some c_* columns in the vn table CREATE OR REPLACE FUNCTION update_vncache(integer) RETURNS void AS $$ UPDATE vn SET - c_released = COALESCE((SELECT - MIN(rr1.released) - FROM releases_rev rr1 - JOIN releases r1 ON rr1.id = r1.latest - JOIN releases_vn rv1 ON rr1.id = rv1.rid - WHERE rv1.vid = vn.id - AND rr1.type <> 'trial' - AND r1.hidden = FALSE - AND rr1.released <> 0 - GROUP BY rv1.vid + c_released = COALESCE(( + SELECT MIN(r.released) + FROM releases r + JOIN releases_vn rv ON r.id = rv.id + WHERE rv.vid = $1 + AND r.type <> 'trial' + AND r.hidden = FALSE + AND r.released <> 0 + GROUP BY rv.vid ), 0), c_olang = ARRAY( SELECT lang FROM releases_lang - WHERE rid = ( - SELECT r.latest + WHERE id = ( + SELECT r.id FROM releases_vn rv - JOIN releases r ON rv.rid = r.latest - JOIN releases_rev rr ON rr.id = r.latest AND rr.rid = r.id - WHERE rr.released > 0 + JOIN releases r ON rv.id = r.id + WHERE r.released > 0 AND NOT r.hidden AND rv.vid = $1 - ORDER BY rr.released + ORDER BY r.released LIMIT 1 ) ), c_languages = ARRAY( - SELECT rl2.lang - FROM releases_rev rr2 - JOIN releases_lang rl2 ON rl2.rid = rr2.id - JOIN releases r2 ON rr2.id = r2.latest - JOIN releases_vn rv2 ON rr2.id = rv2.rid - WHERE rv2.vid = vn.id - AND rr2.type <> 'trial' - AND rr2.released <= TO_CHAR('today'::timestamp, 'YYYYMMDD')::integer - AND r2.hidden = FALSE - GROUP BY rl2.lang - ORDER BY rl2.lang + SELECT rl.lang + FROM releases_lang rl + JOIN releases r ON r.id = rl.id + JOIN releases_vn rv ON r.id = rv.id + WHERE rv.vid = $1 + AND r.type <> 'trial' + AND r.released <= TO_CHAR('today'::timestamp, 'YYYYMMDD')::integer + AND r.hidden = FALSE + GROUP BY rl.lang + ORDER BY rl.lang ), c_platforms = ARRAY( - SELECT rp3.platform - FROM releases_platforms rp3 - JOIN releases_rev rr3 ON rp3.rid = rr3.id - JOIN releases r3 ON rp3.rid = r3.latest - JOIN releases_vn rv3 ON rp3.rid = rv3.rid - WHERE rv3.vid = vn.id - AND rr3.type <> 'trial' - AND rr3.released <= TO_CHAR('today'::timestamp, 'YYYYMMDD')::integer - AND r3.hidden = FALSE - GROUP BY rp3.platform - ORDER BY rp3.platform + SELECT rp.platform + FROM releases_platforms rp + JOIN releases r ON rp.id = r.id + JOIN releases_vn rv ON rp.id = rv.id + WHERE rv.vid = $1 + AND r.type <> 'trial' + AND r.released <= TO_CHAR('today'::timestamp, 'YYYYMMDD')::integer + AND r.hidden = FALSE + GROUP BY rp.platform + ORDER BY rp.platform ) WHERE id = $1; $$ LANGUAGE sql; @@ -154,9 +150,9 @@ BEGIN -- all char<->trait links of the latest revisions, including chars inherited from child traits -- (also includes meta traits, because they could have a normal trait as parent) WITH RECURSIVE traits_chars_all(lvl, tid, cid, spoiler, meta) AS ( - SELECT 15, tid, c.id, spoil, false + SELECT 15, tid, ct.id, spoil, false FROM chars_traits ct - JOIN chars c ON c.latest = ct.cid + JOIN chars c ON c.id = ct.id WHERE NOT c.hidden UNION ALL SELECT lvl-1, tp.parent, tc.cid, tc.spoiler, t.meta @@ -186,18 +182,18 @@ $$ LANGUAGE plpgsql; -- revision insertion abstraction -- ---------------------------------------------------------- +-- The two functions below are utility functions used by the item-specific functions in editfunc.sql --- IMPORTANT: these functions will need to be updated on each change in the DB structure --- of the relevant tables - - --- create temporary table for generic revision info -CREATE OR REPLACE FUNCTION edit_revtable(t dbentry_type, i integer) RETURNS void AS $$ +-- create temporary table for generic revision info, and returns the chid of the revision being edited (or NULL). +CREATE OR REPLACE FUNCTION edit_revtable(xtype dbentry_type, xitemid integer, xrev integer) RETURNS integer AS $$ +DECLARE + ret integer; + x record; BEGIN BEGIN CREATE TEMPORARY TABLE edit_revision ( type dbentry_type NOT NULL, - iid integer, + itemid integer, requester integer, ip inet, comments text, @@ -207,15 +203,9 @@ BEGIN EXCEPTION WHEN duplicate_table THEN TRUNCATE edit_revision; END; - INSERT INTO edit_revision (type, iid, ihid, ilock) VALUES (t, - ( SELECT vid FROM vn_rev WHERE id = i - UNION SELECT rid FROM releases_rev WHERE id = i - UNION SELECT cid FROM chars_rev WHERE id = i - UNION SELECT pid FROM producers_rev WHERE id = i - UNION SELECT sid FROM staff_rev WHERE id = i), - COALESCE((SELECT ihid FROM changes WHERE id = i), FALSE), - COALESCE((SELECT ilock FROM changes WHERE id = i), FALSE) - ); + SELECT INTO x id, ihid, ilock FROM changes c WHERE type = xtype AND itemid = xitemid AND rev = xrev; + INSERT INTO edit_revision (type, itemid, ihid, ilock) VALUES (xtype, xitemid, COALESCE(x.ihid, FALSE), COALESCE(x.ilock, FALSE)); + RETURN x.id; END; $$ LANGUAGE plpgsql; @@ -223,305 +213,145 @@ $$ LANGUAGE plpgsql; CREATE OR REPLACE FUNCTION edit_commit() RETURNS edit_rettype AS $$ DECLARE - r edit_rettype; - t dbentry_type; - i integer; + ret edit_rettype; + xtype dbentry_type; BEGIN - SELECT type INTO t FROM edit_revision; - SELECT iid INTO i FROM edit_revision; + SELECT type INTO xtype FROM edit_revision; + SELECT itemid INTO ret.itemid FROM edit_revision; -- figure out revision number - IF i IS NULL THEN - r.rev := 1; - ELSE - SELECT c.rev+1 INTO r.rev FROM changes c - JOIN ( SELECT id FROM vn_rev WHERE t = 'v' AND vid = i - UNION SELECT id FROM releases_rev WHERE t = 'r' AND rid = i - UNION SELECT id FROM producers_rev WHERE t = 'p' AND pid = i - UNION SELECT id FROM chars_rev WHERE t = 'c' AND cid = i - UNION SELECT id FROM staff_rev WHERE t = 's' AND sid = i - ) x(id) ON x.id = c.id - ORDER BY c.id DESC - LIMIT 1; - END IF; - -- insert change - INSERT INTO changes (type, requester, ip, comments, ihid, ilock, rev) - SELECT t, requester, ip, comments, ihid, ilock, r.rev - FROM edit_revision - RETURNING id INTO r.cid; + SELECT MAX(rev)+1 INTO ret.rev FROM changes WHERE type = xtype AND itemid = ret.itemid; + SELECT COALESCE(ret.rev, 1) INTO ret.rev; -- insert DB item - IF i IS NULL THEN - CASE t - WHEN 'v' THEN INSERT INTO vn (latest) VALUES (0) RETURNING id INTO r.iid; - WHEN 'r' THEN INSERT INTO releases (latest) VALUES (0) RETURNING id INTO r.iid; - WHEN 'p' THEN INSERT INTO producers (latest) VALUES (0) RETURNING id INTO r.iid; - WHEN 'c' THEN INSERT INTO chars (latest) VALUES (0) RETURNING id INTO r.iid; - WHEN 's' THEN INSERT INTO staff (latest) VALUES (0) RETURNING id INTO r.iid; + IF ret.itemid IS NULL THEN + CASE xtype + WHEN 'v' THEN INSERT INTO vn DEFAULT VALUES RETURNING id INTO ret.itemid; + WHEN 'r' THEN INSERT INTO releases DEFAULT VALUES RETURNING id INTO ret.itemid; + WHEN 'p' THEN INSERT INTO producers DEFAULT VALUES RETURNING id INTO ret.itemid; + WHEN 'c' THEN INSERT INTO chars DEFAULT VALUES RETURNING id INTO ret.itemid; + WHEN 's' THEN INSERT INTO staff DEFAULT VALUES RETURNING id INTO ret.itemid; END CASE; - ELSE - r.iid := i; - END IF; - RETURN r; -END; -$$ LANGUAGE plpgsql; - - - -CREATE OR REPLACE FUNCTION edit_vn_init(cid integer) RETURNS void AS $$ -#variable_conflict use_variable -BEGIN - -- create tables, based on existing tables (so that the column types are always synchronised) - BEGIN - CREATE TEMPORARY TABLE edit_vn (LIKE vn_rev INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn DROP COLUMN id; - ALTER TABLE edit_vn DROP COLUMN vid; - CREATE TEMPORARY TABLE edit_vn_anime (LIKE vn_anime INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn_anime DROP COLUMN vid; - CREATE TEMPORARY TABLE edit_vn_relations (LIKE vn_relations INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn_relations DROP COLUMN vid1; - ALTER TABLE edit_vn_relations RENAME COLUMN vid2 TO vid; - CREATE TEMPORARY TABLE edit_vn_screenshots (LIKE vn_screenshots INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn_screenshots DROP COLUMN vid; - CREATE TEMPORARY TABLE edit_vn_staff (LIKE vn_staff INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn_staff DROP COLUMN vid; - CREATE TEMPORARY TABLE edit_vn_seiyuu (LIKE vn_seiyuu INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_vn_seiyuu DROP COLUMN vid; - EXCEPTION WHEN duplicate_table THEN - TRUNCATE edit_vn, edit_vn_anime, edit_vn_relations, edit_vn_screenshots, edit_vn_staff, edit_vn_seiyuu; - END; - PERFORM edit_revtable('v', cid); - -- new VN, load defaults - IF cid IS NULL THEN - INSERT INTO edit_vn DEFAULT VALUES; - -- otherwise, load revision - ELSE - INSERT INTO edit_vn SELECT title, alias, img_nsfw, length, "desc", l_wp, image, l_encubed, l_renai, original FROM vn_rev WHERE id = cid; - INSERT INTO edit_vn_anime SELECT aid FROM vn_anime WHERE vid = cid; - INSERT INTO edit_vn_relations SELECT vid2, relation, official FROM vn_relations WHERE vid1 = cid; - INSERT INTO edit_vn_screenshots SELECT scr, nsfw, rid FROM vn_screenshots WHERE vid = cid; - INSERT INTO edit_vn_staff SELECT aid, role, note FROM vn_staff WHERE vid = cid; - INSERT INTO edit_vn_seiyuu SELECT aid, vs.cid, note FROM vn_seiyuu vs WHERE vid = cid; - END IF; -END; -$$ LANGUAGE plpgsql; - - - -CREATE OR REPLACE FUNCTION edit_vn_commit() RETURNS edit_rettype AS $$ -DECLARE - r edit_rettype; -BEGIN - IF (SELECT COUNT(*) FROM edit_vn) <> 1 THEN - RAISE 'edit_vn must have exactly one row!'; - END IF; - SELECT INTO r * FROM edit_commit(); - INSERT INTO vn_rev SELECT r.cid, r.iid, title, alias, img_nsfw, length, "desc", l_wp, image, l_encubed, l_renai, original FROM edit_vn; - INSERT INTO vn_anime SELECT r.cid, aid FROM edit_vn_anime; - INSERT INTO vn_relations SELECT r.cid, vid, relation, official FROM edit_vn_relations; - INSERT INTO vn_screenshots SELECT r.cid, scr, nsfw, rid FROM edit_vn_screenshots; - INSERT INTO vn_staff SELECT r.cid, aid, role, note FROM edit_vn_staff; - INSERT INTO vn_seiyuu SELECT r.cid, aid, cid, note FROM edit_vn_seiyuu; - UPDATE vn SET latest = r.cid WHERE id = r.iid; - RETURN r; -END; -$$ LANGUAGE plpgsql; - - - -CREATE OR REPLACE FUNCTION edit_release_init(cid integer) RETURNS void AS $$ -BEGIN - -- temp. tables - BEGIN - CREATE TEMPORARY TABLE edit_release (LIKE releases_rev INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release DROP COLUMN id; - ALTER TABLE edit_release DROP COLUMN rid; - CREATE TEMPORARY TABLE edit_release_lang (LIKE releases_lang INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release_lang DROP COLUMN rid; - CREATE TEMPORARY TABLE edit_release_media (LIKE releases_media INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release_media DROP COLUMN rid; - CREATE TEMPORARY TABLE edit_release_platforms (LIKE releases_platforms INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release_platforms DROP COLUMN rid; - CREATE TEMPORARY TABLE edit_release_producers (LIKE releases_producers INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release_producers DROP COLUMN rid; - CREATE TEMPORARY TABLE edit_release_vn (LIKE releases_vn INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_release_vn DROP COLUMN rid; - EXCEPTION WHEN duplicate_table THEN - TRUNCATE edit_release, edit_release_lang, edit_release_media, edit_release_platforms, edit_release_producers, edit_release_vn; - END; - PERFORM edit_revtable('r', cid); - -- new release - IF cid IS NULL THEN - INSERT INTO edit_release DEFAULT VALUES; - -- load revision - ELSE - INSERT INTO edit_release SELECT title, original, type, website, released, notes, minage, gtin, patch, catalog, resolution, voiced, freeware, doujin, ani_story, ani_ero FROM releases_rev WHERE id = cid; - INSERT INTO edit_release_lang SELECT lang FROM releases_lang WHERE rid = cid; - INSERT INTO edit_release_media SELECT medium, qty FROM releases_media WHERE rid = cid; - INSERT INTO edit_release_platforms SELECT platform FROM releases_platforms WHERE rid = cid; - INSERT INTO edit_release_producers SELECT pid, developer, publisher FROM releases_producers WHERE rid = cid; - INSERT INTO edit_release_vn SELECT vid FROM releases_vn WHERE rid = cid; END IF; + -- insert change + INSERT INTO changes (type, itemid, rev, requester, ip, comments, ihid, ilock) + SELECT type, ret.itemid, ret.rev, requester, ip, comments, ihid, ilock FROM edit_revision RETURNING id INTO ret.chid; + RETURN ret; END; $$ LANGUAGE plpgsql; -CREATE OR REPLACE FUNCTION edit_release_commit() RETURNS edit_rettype AS $$ +-- Check for stuff to be done when an item has been changed +CREATE OR REPLACE FUNCTION edit_committed(xtype dbentry_type, xedit edit_rettype) RETURNS void AS $$ DECLARE - r edit_rettype; + xoldchid integer; BEGIN - IF (SELECT COUNT(*) FROM edit_release) <> 1 THEN - RAISE 'edit_release must have exactly one row!'; - ELSIF NOT EXISTS(SELECT 1 FROM edit_release_vn) THEN - RAISE 'edit_release_vn must have at least one row!'; + SELECT id INTO xoldchid FROM changes WHERE type = xtype AND itemid = xedit.itemid AND rev = xedit.rev-1; + + -- Set producers.rgraph to NULL and notify when: + -- 1. There's a new producer entry with some relations + -- 2. The producer name/type/language has changed + -- 3. The producer relations have been changed + IF xtype = 'p' THEN + IF -- 1. + (xoldchid IS NULL AND EXISTS(SELECT 1 FROM producers_relations_hist WHERE chid = xedit.chid)) + OR (xoldchid IS NOT NULL AND ( + -- 2. + EXISTS(SELECT 1 FROM producers_hist p1, producers_hist p2 WHERE (p2.name <> p1.name OR p2.type <> p1.type OR p2.lang <> p1.lang) AND p1.chid = xoldchid AND p2.chid = xedit.chid) + -- 3. + OR EXISTS(SELECT pid, relation FROM producers_relations_hist WHERE chid = xoldchid EXCEPT SELECT pid, relation FROM producers_relations_hist WHERE chid = xedit.chid) + OR EXISTS(SELECT pid, relation FROM producers_relations_hist WHERE chid = xedit.chid EXCEPT SELECT pid, relation FROM producers_relations_hist WHERE chid = xoldchid) + )) + THEN + UPDATE producers SET rgraph = NULL WHERE id = xedit.itemid; + NOTIFY relgraph; -- This notify is not done by the producer_relgraph_notify trigger for new entries or if rgraph was already NULL + END IF; END IF; - SELECT INTO r * FROM edit_commit(); - INSERT INTO releases_rev SELECT r.cid, r.iid, title, original, type, website, released, notes, minage, gtin, patch, catalog, resolution, voiced, freeware, doujin, ani_story, ani_ero FROM edit_release; - INSERT INTO releases_lang SELECT r.cid, lang FROM edit_release_lang; - INSERT INTO releases_media SELECT r.cid, medium, qty FROM edit_release_media; - INSERT INTO releases_platforms SELECT r.cid, platform FROM edit_release_platforms; - INSERT INTO releases_producers SELECT pid, r.cid, developer, publisher FROM edit_release_producers; - INSERT INTO releases_vn SELECT r.cid, vid FROM edit_release_vn; - UPDATE releases SET latest = r.cid WHERE id = r.iid; - RETURN r; -END; -$$ LANGUAGE plpgsql; - - -CREATE OR REPLACE FUNCTION edit_producer_init(cid integer) RETURNS void AS $$ -BEGIN - BEGIN - CREATE TEMPORARY TABLE edit_producer (LIKE producers_rev INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_producer DROP COLUMN id; - ALTER TABLE edit_producer DROP COLUMN pid; - CREATE TEMPORARY TABLE edit_producer_relations (LIKE producers_relations INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_producer_relations DROP COLUMN pid1; - ALTER TABLE edit_producer_relations RENAME COLUMN pid2 TO pid; - EXCEPTION WHEN duplicate_table THEN - TRUNCATE edit_producer, edit_producer_relations; - END; - PERFORM edit_revtable('p', cid); - -- new producer - IF cid IS NULL THEN - INSERT INTO edit_producer DEFAULT VALUES; - -- load revision - ELSE - INSERT INTO edit_producer SELECT type, name, original, website, lang, "desc", alias, l_wp FROM producers_rev WHERE id = cid; - INSERT INTO edit_producer_relations SELECT pid2, relation FROM producers_relations WHERE pid1 = cid; + -- Set vn.rgraph to NULL and notify when: + -- 1. There's a new vn entry with some relations + -- 2. The vn title has changed + -- 3. The vn relations have been changed + IF xtype = 'v' THEN + IF -- 1. + (xoldchid IS NULL AND EXISTS(SELECT 1 FROM vn_relations_hist WHERE chid = xedit.chid)) + OR (xoldchid IS NOT NULL AND ( + -- 2. + EXISTS(SELECT 1 FROM vn_hist v1, vn_hist v2 WHERE v2.title <> v1.title AND v1.chid = xoldchid AND v2.chid = xedit.chid) + -- 3. + OR EXISTS(SELECT vid, relation, official FROM vn_relations_hist WHERE chid = xoldchid EXCEPT SELECT vid, relation, official FROM vn_relations_hist WHERE chid = xedit.chid) + OR EXISTS(SELECT vid, relation, official FROM vn_relations_hist WHERE chid = xedit.chid EXCEPT SELECT vid, relation, official FROM vn_relations_hist WHERE chid = xoldchid) + )) + THEN + UPDATE vn SET rgraph = NULL WHERE id = xedit.itemid; + NOTIFY relgraph; + END IF; END IF; -END; -$$ LANGUAGE plpgsql; - - -CREATE OR REPLACE FUNCTION edit_producer_commit() RETURNS edit_rettype AS $$ -DECLARE - r edit_rettype; -BEGIN - IF (SELECT COUNT(*) FROM edit_producer) <> 1 THEN - RAISE 'edit_producer must have exactly one row!'; + -- Set c_search to NULL and notify when + -- 1. A new VN entry is created + -- 2. The vn title/original/alias has changed + IF xtype = 'v' THEN + IF -- 1. + xoldchid IS NULL OR + -- 2. + EXISTS(SELECT 1 FROM vn_hist v1, vn_hist v2 WHERE (v2.title <> v1.title OR v2.original <> v1.original OR v2.alias <> v1.alias) AND v1.chid = xoldchid AND v2.chid = xedit.chid) + THEN + UPDATE vn SET c_search = NULL WHERE id = xedit.itemid; + NOTIFY vnsearch; + END IF; END IF; - SELECT INTO r * FROM edit_commit(); - INSERT INTO producers_rev SELECT r.cid, r.iid, type, name, original, website, lang, "desc", alias, l_wp FROM edit_producer; - INSERT INTO producers_relations SELECT r.cid, pid, relation FROM edit_producer_relations; - UPDATE producers SET latest = r.cid WHERE id = r.iid; - RETURN r; -END; -$$ LANGUAGE plpgsql; - - -CREATE OR REPLACE FUNCTION edit_char_init(hid integer) RETURNS void AS $$ -BEGIN - BEGIN - CREATE TEMPORARY TABLE edit_char (LIKE chars_rev INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_char DROP COLUMN id; - ALTER TABLE edit_char DROP COLUMN cid; - CREATE TEMPORARY TABLE edit_char_traits (LIKE chars_traits INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_char_traits DROP COLUMN cid; - CREATE TEMPORARY TABLE edit_char_vns (LIKE chars_vns INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_char_vns DROP COLUMN cid; - EXCEPTION WHEN duplicate_table THEN - TRUNCATE edit_char, edit_char_traits, edit_char_vns; - END; - PERFORM edit_revtable('c', hid); - -- new char - IF hid IS NULL THEN - INSERT INTO edit_char DEFAULT VALUES; - -- load revision - ELSE - INSERT INTO edit_char SELECT name, original, alias, image, "desc", gender, s_bust, s_waist, s_hip, b_month, b_day, height, weight, bloodt, main, main_spoil FROM chars_rev WHERE id = hid; - INSERT INTO edit_char_traits SELECT tid, spoil FROM chars_traits WHERE cid = hid; - INSERT INTO edit_char_vns SELECT vid, rid, spoil, role FROM chars_vns WHERE cid = hid; + -- Set related vn.c_search columns to NULL and notify when + -- 1. A new release is created + -- 2. A release has been hidden or unhidden + -- 3. The release title/original has changed + -- 4. The releases_vn table differs from a previous revision + IF xtype = 'r' THEN + IF -- 1. + xoldchid IS NULL OR + -- 2. + EXISTS(SELECT 1 FROM changes c1, changes c2 WHERE c1.ihid IS DISTINCT FROM c2.ihid AND c1.id = xedit.chid AND c2.id = xoldchid) OR + -- 3. + EXISTS(SELECT 1 FROM releases_hist r1, releases_hist r2 WHERE (r2.title <> r1.title OR r2.original <> r1.original) AND r1.chid = xoldchid AND r2.chid = xedit.chid) OR + -- 4. + EXISTS(SELECT vid FROM releases_vn_hist WHERE chid = xoldchid EXCEPT SELECT vid FROM releases_vn_hist WHERE chid = xedit.chid) OR + EXISTS(SELECT vid FROM releases_vn_hist WHERE chid = xedit.chid EXCEPT SELECT vid FROM releases_vn_hist WHERE chid = xoldchid) + THEN + UPDATE vn SET c_search = NULL WHERE id IN(SELECT vid FROM releases_vn_hist WHERE chid IN(xedit.chid, xoldchid)); + NOTIFY vnsearch; + END IF; END IF; -END; -$$ LANGUAGE plpgsql; - - -CREATE OR REPLACE FUNCTION edit_char_commit() RETURNS edit_rettype AS $$ -DECLARE - r edit_rettype; -BEGIN - IF (SELECT COUNT(*) FROM edit_char) <> 1 THEN - RAISE 'edit_char must have exactly one row!'; + -- Call update_vncache() for related VNs when a release has been created or edited + -- (This could be made more specific, but update_vncache() is fast enough that it's not worth the complexity) + IF xtype = 'r' THEN + PERFORM update_vncache(vid) FROM ( + SELECT DISTINCT vid FROM releases_vn_hist WHERE chid IN(xedit.chid, xoldchid) + ) AS v(vid); END IF; - SELECT INTO r * FROM edit_commit(); - INSERT INTO chars_rev SELECT r.cid, r.iid, name, original, alias, image, "desc", gender, s_bust, s_waist, s_hip, b_month, b_day, height, weight, bloodt, main, main_spoil FROM edit_char; - INSERT INTO chars_traits SELECT r.cid, tid, spoil FROM edit_char_traits; - INSERT INTO chars_vns SELECT r.cid, vid, rid, spoil, role FROM edit_char_vns; - UPDATE chars SET latest = r.cid WHERE id = r.iid; - RETURN r; -END; -$$ LANGUAGE plpgsql; - - -CREATE OR REPLACE FUNCTION edit_staff_init(cid integer) RETURNS void AS $$ -BEGIN - BEGIN - CREATE TEMPORARY TABLE edit_staff (LIKE staff_rev INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_staff DROP COLUMN id; - ALTER TABLE edit_staff DROP COLUMN sid; - CREATE TEMPORARY TABLE edit_staff_aliases (LIKE staff_alias INCLUDING DEFAULTS INCLUDING CONSTRAINTS); - ALTER TABLE edit_staff_aliases DROP COLUMN rid; - EXCEPTION WHEN duplicate_table THEN - TRUNCATE edit_staff, edit_staff_aliases; - END; - PERFORM edit_revtable('s', cid); - -- new staff member - IF cid IS NULL THEN - INSERT INTO edit_staff (aid) VALUES (0); - -- load revision - ELSE - INSERT INTO edit_staff SELECT aid, gender, lang, "desc", l_wp, l_site, l_twitter, l_anidb FROM staff_rev WHERE id = cid; - INSERT INTO edit_staff_aliases SELECT id, name, original FROM staff_alias WHERE rid = cid; + -- Call notify_dbdel() if an entry has been deleted + -- Call notify_listdel() if a vn/release entry has been deleted + IF xoldchid IS NOT NULL + AND EXISTS(SELECT 1 FROM changes WHERE id = xoldchid AND NOT ihid) + AND EXISTS(SELECT 1 FROM changes WHERE id = xedit.chid AND ihid) + THEN + PERFORM notify_dbdel(xtype, xedit); + IF xtype = 'v' OR xtype = 'r' THEN + PERFORM notify_listdel(xtype, xedit); + END IF; END IF; -END; -$$ LANGUAGE plpgsql; - -CREATE OR REPLACE FUNCTION edit_staff_commit() RETURNS edit_rettype AS $$ -DECLARE - r edit_rettype; -BEGIN - IF (SELECT COUNT(*) FROM edit_staff) <> 1 THEN - RAISE 'edit_staff must have exactly one row!'; + -- Call notify_dbedit() if a non-hidden entry has been edited + IF xoldchid IS NOT NULL AND EXISTS(SELECT 1 FROM changes WHERE id = xedit.chid AND NOT ihid) + THEN + PERFORM notify_dbedit(xtype, xedit); END IF; - SELECT INTO r * FROM edit_commit(); - INSERT INTO staff_alias (id, rid, name, original) - SELECT id, r.cid, name, original FROM edit_staff_aliases; - INSERT INTO staff_rev (id, sid, aid, gender, lang, "desc", l_wp, l_site, l_twitter, l_anidb) - SELECT r.cid, r.iid, aid, gender, lang, "desc", l_wp, l_site, l_twitter, l_anidb FROM edit_staff; - UPDATE staff SET latest = r.cid WHERE id = r.iid; - RETURN r; END; $$ LANGUAGE plpgsql; - - ---------------------------------------------------------- -- trigger functions -- ---------------------------------------------------------- @@ -627,18 +457,17 @@ CREATE OR REPLACE FUNCTION update_vnlist_rlist() RETURNS trigger AS $$ BEGIN -- 1. IF TG_TABLE_NAME = 'vnlists' THEN - DELETE FROM rlists WHERE uid = OLD.uid AND rid IN(SELECT r.id + DELETE FROM rlists WHERE uid = OLD.uid AND rid IN(SELECT rv.id -- fetch all related rows in rlists FROM releases_vn rv - JOIN releases r ON r.latest = rv.rid - JOIN rlists rl ON rl.rid = r.id + JOIN rlists rl ON rl.rid = rv.id WHERE rv.vid = OLD.vid AND rl.uid = OLD.uid -- and test for a corresponding row in vnlists AND NOT EXISTS( SELECT 1 FROM releases_vn rvi JOIN vnlists vl ON vl.vid = rvi.vid AND uid = OLD.uid - WHERE rvi.rid = r.latest + WHERE rvi.id = rv.id )); -- 2. @@ -646,15 +475,13 @@ BEGIN INSERT INTO vnlists (uid, vid) SELECT NEW.uid, rv.vid -- all VNs linked to the release FROM releases_vn rv - JOIN releases r ON rv.rid = r.latest - WHERE r.id = NEW.rid + WHERE rv.id = NEW.rid -- but only if there are no corresponding rows in vnlists yet AND NOT EXISTS( SELECT 1 FROM releases_vn rvi - JOIN releases ri ON rvi.rid = ri.latest JOIN vnlists vl ON vl.vid = rvi.vid - WHERE ri.id = NEW.rid AND vl.uid = NEW.uid + WHERE rvi.id = NEW.rid AND vl.uid = NEW.uid ); END IF; RETURN NULL; @@ -670,33 +497,16 @@ $$ LANGUAGE plpgsql; --- Update vn.rgraph column and send notify when a relation graph needs to be regenerated --- 1. NOTIFY is sent on VN edit or insert or change in vn.rgraph, when rgraph = NULL and entries in vn_relations --- vn.rgraph is set to NULL when: --- 2. UPDATE on vn where c_released or c_languages has changed --- 3. VN edit of which the title differs from previous revision --- 4. VN edit with items in vn_relations that differ from previous +-- 1. Send a notify when vn.rgraph is set to NULL, and there are related entries in vn_relations +-- 2. Set rgraph to NULL when c_languages or c_released has changed CREATE OR REPLACE FUNCTION vn_relgraph_notify() RETURNS trigger AS $$ BEGIN - -- 1. - IF NEW.rgraph IS DISTINCT FROM OLD.rgraph OR NEW.latest IS DISTINCT FROM OLD.latest THEN - IF NEW.rgraph IS NULL AND EXISTS(SELECT 1 FROM vn_relations WHERE vid1 = NEW.latest) THEN + IF EXISTS(SELECT 1 FROM vn_relations WHERE id = NEW.id) THEN + -- 1. + IF NEW.rgraph IS NULL THEN NOTIFY relgraph; - END IF; - END IF; - IF NEW.rgraph IS NOT NULL THEN - IF - -- 2. - OLD.c_released IS DISTINCT FROM NEW.c_released - OR OLD.c_languages IS DISTINCT FROM NEW.c_languages - OR OLD.latest <> 0 AND OLD.latest IS DISTINCT FROM NEW.latest AND ( - -- 3. - EXISTS(SELECT 1 FROM vn_rev v1, vn_rev v2 WHERE v2.title <> v1.title AND v1.id = OLD.latest AND v2.id = NEW.latest) - -- 4. (not-really-readable method of comparing two query results) - OR EXISTS(SELECT vid2, relation, official FROM vn_relations WHERE vid1 = OLD.latest EXCEPT SELECT vid2, relation, official FROM vn_relations WHERE vid1 = NEW.latest) - OR (SELECT COUNT(*) FROM vn_relations WHERE vid1 = OLD.latest) <> (SELECT COUNT(*) FROM vn_relations WHERE vid1 = NEW.latest) - ) - THEN + -- 2. + ELSE UPDATE vn SET rgraph = NULL WHERE id = NEW.id; END IF; END IF; @@ -705,30 +515,11 @@ END; $$ LANGUAGE plpgsql; - --- Same as above for producers, with slight differences in the steps: --- There is no 2, and --- 3 = Producer edit of which the name, language or type differs from the previous revision +-- Send a notify when producers.rgraph is set to NULL, and there are related entries in producers_relations CREATE OR REPLACE FUNCTION producer_relgraph_notify() RETURNS trigger AS $$ BEGIN - -- 1. - IF NEW.rgraph IS DISTINCT FROM OLD.rgraph OR NEW.latest IS DISTINCT FROM OLD.latest THEN - IF NEW.rgraph IS NULL AND EXISTS(SELECT 1 FROM producers_relations WHERE pid1 = NEW.latest) THEN - NOTIFY relgraph; - END IF; - END IF; - IF NEW.rgraph IS NOT NULL THEN - -- 2. - IF OLD.latest <> 0 AND OLD.latest IS DISTINCT FROM NEW.latest AND ( - -- 3. - EXISTS(SELECT 1 FROM producers_rev p1, producers_rev p2 WHERE (p2.name <> p1.name OR p2.type <> p1.type OR p2.lang <> p1.lang) AND p1.id = OLD.latest AND p2.id = NEW.latest) - -- 4. (not-really-readable method of comparing two query results) - OR EXISTS(SELECT p1.pid2, p1.relation FROM producers_relations p1 WHERE p1.pid1 = OLD.latest EXCEPT SELECT p2.pid2, p2.relation FROM producers_relations p2 WHERE p2.pid1 = NEW.latest) - OR (SELECT COUNT(*) FROM producers_relations WHERE pid1 = OLD.latest) <> (SELECT COUNT(*) FROM producers_relations WHERE pid1 = NEW.latest) - ) - THEN - UPDATE producers SET rgraph = NULL WHERE id = NEW.id; - END IF; + IF EXISTS(SELECT 1 FROM producers_relations WHERE id = NEW.id) THEN + NOTIFY relgraph; END IF; RETURN NULL; END; @@ -754,80 +545,16 @@ $$ LANGUAGE plpgsql; --- call update_vncache() when a release is added, edited, hidden or unhidden -CREATE OR REPLACE FUNCTION release_vncache_update() RETURNS trigger AS $$ -BEGIN - PERFORM update_vncache(vid) FROM ( - SELECT DISTINCT vid FROM releases_vn WHERE rid = OLD.latest OR rid = NEW.latest - ) AS v(vid); - RETURN NULL; -END; -$$ LANGUAGE plpgsql; - - - --- update (vn|release|producer|char).(hidden|locked) on a new revision --- NOTE: this is a /before/ trigger, it modifies NEW -CREATE OR REPLACE FUNCTION update_hidlock() RETURNS trigger AS $$ -DECLARE - r record; -BEGIN - SELECT INTO r ihid, ilock FROM changes WHERE id = NEW.latest; - NEW.hidden := r.ihid; - NEW.locked := r.ilock; - RETURN NEW; -END; -$$ LANGUAGE plpgsql; - - - --- Check for updates to vn.c_search --- 1. NOTIFY is sent when vn.c_search goes from non-NULL to NULL --- vn.c_search is set to NULL when: --- 2. VN add/edit of which the title/original/alias fields differ from previous revision --- 3. Release gets hidden or unhidden --- 4. Release add/edit of which the title/original/vn fields differ from the previous revision +-- Send a vnsearch notification when the c_search column is set to NULL. CREATE OR REPLACE FUNCTION vn_vnsearch_notify() RETURNS trigger AS $$ -BEGIN - IF TG_TABLE_NAME = 'vn' THEN - -- 1. - IF NEW.c_search IS NULL THEN - NOTIFY vnsearch; - -- 2. - ELSIF NEW.latest IS DISTINCT FROM OLD.latest THEN - IF EXISTS(SELECT 1 FROM vn_rev v1, vn_rev v2 - WHERE v1.id = OLD.latest AND v2.id = NEW.latest - AND (v1.title IS DISTINCT FROM v2.title OR v1.original IS DISTINCT FROM v2.original OR v1.alias IS DISTINCT FROM v2.alias) - ) THEN - UPDATE vn SET c_search = NULL WHERE id = NEW.id; - END IF; - END IF; - ELSIF TG_TABLE_NAME = 'releases' THEN - -- 3. & 4. - IF NEW.hidden IS DISTINCT FROM OLD.hidden OR ( - NEW.latest IS DISTINCT FROM OLD.latest AND ( - EXISTS( - SELECT 1 FROM releases_rev r1, releases_rev r2 - WHERE r1.id = OLD.latest AND r2.id = NEW.latest - AND (r1.title IS DISTINCT FROM r2.title OR r1.original IS DISTINCT FROM r2.original) - ) - OR EXISTS(SELECT vid FROM releases_vn WHERE rid = OLD.latest EXCEPT SELECT vid FROM releases_vn WHERE rid = NEW.latest) - OR (SELECT COUNT(*) FROM releases_vn WHERE rid = OLD.latest) <> (SELECT COUNT(*) FROM releases_vn WHERE rid = NEW.latest) - )) THEN - UPDATE vn SET c_search = NULL WHERE id IN(SELECT vid FROM releases_vn WHERE rid = OLD.latest OR rid = NEW.latest); - END IF; - END IF; - RETURN NULL; -END; + BEGIN NOTIFY vnsearch; RETURN NULL; END; $$ LANGUAGE plpgsql; - ---------------------------------------------------------- -- notification functions -- --- (these are, in fact, also triggers) -- ---------------------------------------------------------- @@ -854,107 +581,70 @@ END; $$ LANGUAGE plpgsql; --- called on UPDATE vn / producers / releases / chars when (NOT OLD.hidden AND NEW.hidden) -CREATE OR REPLACE FUNCTION notify_dbdel() RETURNS trigger AS $$ -BEGIN + +-- called when an entry has been deleted +CREATE OR REPLACE FUNCTION notify_dbdel(xtype dbentry_type, xedit edit_rettype) RETURNS void AS $$ INSERT INTO notifications (ntype, ltype, uid, iid, subid, c_title, c_byuser) - SELECT DISTINCT 'dbdel'::notification_ntype, - (CASE TG_TABLE_NAME WHEN 'vn' THEN 'v' WHEN 'releases' THEN 'r' WHEN 'producers' THEN 'p' WHEN 'staff' THEN 's' ELSE 'c' END)::notification_ltype, - h.requester, NEW.id, h2.rev, x.title, h2.requester - -- look for changes of the deleted entry - -- this method may look a bit unintuitive, but it's way faster than doing LEFT JOINs + SELECT DISTINCT 'dbdel'::notification_ntype, xtype::text::notification_ltype, h.requester, xedit.itemid, xedit.rev, x.title, h2.requester FROM changes h - JOIN ( SELECT vr.id, vr2.title FROM vn_rev vr - JOIN vn v ON v.id = vr.vid JOIN vn_rev vr2 ON vr2.id = v.latest - WHERE TG_TABLE_NAME = 'vn' AND vr.vid = NEW.id - UNION SELECT rr.id, rr2.title FROM releases_rev rr - JOIN releases r ON r.id = rr.rid JOIN releases_rev rr2 ON rr2.id = r.latest - WHERE TG_TABLE_NAME = 'releases' AND rr.rid = NEW.id - UNION SELECT pr.id, pr2.name FROM producers_rev pr - JOIN producers p ON p.id = pr.pid JOIN producers_rev pr2 ON pr2.id = p.latest - WHERE TG_TABLE_NAME = 'producers' AND pr.pid = NEW.id - UNION SELECT cr.id, cr2.name FROM chars_rev cr - JOIN chars c ON c.id = cr.cid JOIN chars_rev cr2 ON cr2.id = c.latest - WHERE TG_TABLE_NAME = 'chars' AND cr.cid = NEW.id - UNION SELECT sr.id, sa.name FROM staff_rev sr - JOIN staff s ON s.id = sr.sid JOIN staff_rev sr2 ON sr2.id = s.latest JOIN staff_alias sa ON sa.id = sr2.aid AND sa.rid = sr2.id - WHERE TG_TABLE_NAME = 'staff' AND sr.sid = NEW.id - ) x(id, title) ON h.id = x.id -- join info about the deletion itself - JOIN changes h2 ON h2.id = NEW.latest - WHERE h.requester <> 1 -- exclude Multi - -- exclude the user who deleted the entry - AND h.requester <> h2.requester; - RETURN NULL; -END; -$$ LANGUAGE plpgsql; + JOIN changes h2 ON h2.id = xedit.chid + -- Fetch the latest name/title of the entry + -- this method may look a bit unintuitive, but it's way faster than doing LEFT JOINs + JOIN ( SELECT v.title FROM vn v WHERE xtype = 'v' AND v.id = xedit.itemid + UNION SELECT r.title FROM releases r WHERE xtype = 'r' AND r.id = xedit.itemid + UNION SELECT p.name FROM producers p WHERE xtype = 'p' AND p.id = xedit.itemid + UNION SELECT c.name FROM chars c WHERE xtype = 'c' AND c.id = xedit.itemid + UNION SELECT sa.name FROM staff s JOIN staff_alias sa ON sa.aid = s.aid WHERE xtype = 's' AND s.id = xedit.itemid + ) x(title) ON true + WHERE h.type = xtype AND h.itemid = xedit.itemid + AND h.requester <> 1 -- exclude Multi + AND h.requester <> h2.requester; -- exclude the user who deleted the entry +$$ LANGUAGE sql; --- called on UPDATE vn / releases when (NOT OLD.hidden AND NEW.hidden) -CREATE OR REPLACE FUNCTION notify_listdel() RETURNS trigger AS $$ -BEGIN + +-- Called when a non-deleted item has been edited. +CREATE OR REPLACE FUNCTION notify_dbedit(xtype dbentry_type, xedit edit_rettype) RETURNS void AS $$ INSERT INTO notifications (ntype, ltype, uid, iid, subid, c_title, c_byuser) - SELECT DISTINCT 'listdel'::notification_ntype, - (CASE TG_TABLE_NAME WHEN 'vn' THEN 'v' ELSE 'r' END)::notification_ltype, - u.uid, NEW.id, c.rev, x.title, c.requester + SELECT DISTINCT 'dbedit'::notification_ntype, xtype::text::notification_ltype, h.requester, xedit.itemid, xedit.rev, x.title, h2.requester + FROM changes h + -- join info about the edit itself + JOIN changes h2 ON h2.id = xedit.chid + -- Fetch the latest name/title of the entry + JOIN ( SELECT v.title FROM vn v WHERE xtype = 'v' AND v.id = xedit.itemid + UNION SELECT r.title FROM releases r WHERE xtype = 'r' AND r.id = xedit.itemid + UNION SELECT p.name FROM producers p WHERE xtype = 'p' AND p.id = xedit.itemid + UNION SELECT c.name FROM chars c WHERE xtype = 'c' AND c.id = xedit.itemid + UNION SELECT sa.name FROM staff s JOIN staff_alias sa ON sa.aid = s.aid WHERE xtype = 's' AND s.id = xedit.itemid + ) x(title) ON true + WHERE h.type = xtype AND h.itemid = xedit.itemid + AND h.requester <> h2.requester -- exclude the user who edited the entry + -- exclude users who don't want this notify + AND NOT EXISTS(SELECT 1 FROM users_prefs up WHERE uid = h.requester AND key = 'notify_nodbedit'); +$$ LANGUAGE sql; + + + +-- called when a VN/release entry has been deleted +CREATE OR REPLACE FUNCTION notify_listdel(xtype dbentry_type, xedit edit_rettype) RETURNS void AS $$ + INSERT INTO notifications (ntype, ltype, uid, iid, subid, c_title, c_byuser) + SELECT DISTINCT 'listdel'::notification_ntype, xtype::text::notification_ltype, u.uid, xedit.itemid, xedit.rev, x.title, c.requester -- look for users who should get this notify FROM ( - -- voted on the VN - SELECT uid FROM votes WHERE TG_TABLE_NAME = 'vn' AND vid = NEW.id - -- VN in vnlist - UNION SELECT uid FROM vnlists WHERE TG_TABLE_NAME = 'vn' AND vid = NEW.id - -- VN in wishlist - UNION SELECT uid FROM wlists WHERE TG_TABLE_NAME = 'vn' AND vid = NEW.id - -- release in release list - UNION SELECT uid FROM rlists WHERE TG_TABLE_NAME = 'releases' AND rid = NEW.id + SELECT uid FROM votes WHERE xtype = 'v' AND vid = xedit.itemid + UNION SELECT uid FROM vnlists WHERE xtype = 'v' AND vid = xedit.itemid + UNION SELECT uid FROM wlists WHERE xtype = 'v' AND vid = xedit.itemid + UNION SELECT uid FROM rlists WHERE xtype = 'r' AND rid = xedit.itemid ) u -- fetch info about this edit - JOIN changes c ON c.id = NEW.latest + JOIN changes c ON c.id = xedit.chid JOIN ( - SELECT id, title FROM vn_rev WHERE TG_TABLE_NAME = 'vn' AND vid = NEW.id - UNION SELECT id, title FROM releases_rev WHERE TG_TABLE_NAME = 'releases' AND rid = NEW.id - ) x ON c.id = x.id + SELECT title FROM vn WHERE xtype = 'v' AND id = xedit.itemid + UNION SELECT title FROM releases WHERE xtype = 'r' AND id = xedit.itemid + ) x ON true WHERE c.requester <> u.uid; - RETURN NULL; -END; -$$ LANGUAGE plpgsql; - - --- called on UPDATE vn / producers / releases / chars when (OLD.latest IS DISTINCT FROM NEW.latest AND NOT NEW.hidden) --- this trigger is very similar to notify_dbdel() -CREATE OR REPLACE FUNCTION notify_dbedit() RETURNS trigger AS $$ -BEGIN - INSERT INTO notifications (ntype, ltype, uid, iid, subid, c_title, c_byuser) - SELECT DISTINCT 'dbedit'::notification_ntype, - (CASE TG_TABLE_NAME WHEN 'vn' THEN 'v' WHEN 'releases' THEN 'r' WHEN 'producers' THEN 'p' WHEN 'staff' THEN 's' ELSE 'c' END)::notification_ltype, - h.requester, NEW.id, h2.rev, x.title, h2.requester - -- look for changes of the edited entry - FROM changes h - JOIN ( SELECT vr.id, vr2.title FROM vn_rev vr - JOIN vn v ON v.id = vr.vid JOIN vn_rev vr2 ON vr2.id = v.latest - WHERE TG_TABLE_NAME = 'vn' AND vr.vid = NEW.id - UNION SELECT rr.id, rr2.title FROM releases_rev rr - JOIN releases r ON r.id = rr.rid JOIN releases_rev rr2 ON rr2.id = r.latest - WHERE TG_TABLE_NAME = 'releases' AND rr.rid = NEW.id - UNION SELECT pr.id, pr2.name FROM producers_rev pr - JOIN producers p ON p.id = pr.pid JOIN producers_rev pr2 ON pr2.id = p.latest - WHERE TG_TABLE_NAME = 'producers' AND pr.pid = NEW.id - UNION SELECT cr.id, cr2.name FROM chars_rev cr - JOIN chars c ON c.id = cr.cid JOIN chars_rev cr2 ON cr2.id = c.latest - WHERE TG_TABLE_NAME = 'chars' AND cr.cid = NEW.id - UNION SELECT sr.id, sa.name FROM staff_rev sr - JOIN staff s ON s.id = sr.sid JOIN staff_rev sr2 ON sr2.id = s.latest JOIN staff_alias sa ON sa.id = sr2.aid AND sa.rid = sr2.id - WHERE TG_TABLE_NAME = 'staff' AND sr.sid = NEW.id - ) x(id, title) ON h.id = x.id - -- join info about the deletion itself - JOIN changes h2 ON h2.id = NEW.latest - -- exclude the user who edited the entry - WHERE h.requester <> h2.requester - -- exclude users who don't want this notify - AND NOT EXISTS(SELECT 1 FROM users_prefs up WHERE uid = h.requester AND key = 'notify_nodbedit'); - RETURN NULL; -END; -$$ LANGUAGE plpgsql; +$$ LANGUAGE sql; -- called on INSERT INTO threads_posts when (NEW.num = 1) |