Support:Database Cleanup: Difference between revisions

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Consider:

<source lang="sql">

SELECT * FROM characters

LEFT JOIN rpobject ON characters.object_id=rpobject.object_id

WHERE rpobject.object_id IS NULL

ORDER BY timedate;

where account.STATUS='active' and player_id is null;

DELETE FROM del2 WHERE EXISTS (SELECT null FROM kills WHERE kills.killed = charname AND killed_type='P');

DELETE FROM del2 WHERE EXISTS (SELECT null FROM kills WHERE kills.killer = charname AND killer_type='P');

CREATE TABLE del3 (charname VARCHAR(50), PRIMARY KEY(charname));

-- check

INSERT INTO del3

SELECT c3.charname FROM characters As c3,

(SELECT account.id As account_id FROM account, del2, characters WHERE account.username=del2.charname AND account.id=player_id

AND NOT EXISTS (SELECT null FROM del2 As t WHERE t.charname = characters.charname)

GROUP BY username

HAVING count(*) > 1) As x

WHERE x.account_id = c3.player_id;

INSERT INTO del3

SELECT c3.charname FROM characters As c3,

(SELECT account.id As account_id, count(*)

FROM account, del2, characters As c1, characters As c2

WHERE account.id=c1.player_id AND c1.charname=del2.charname AND account.id=c2.player_id

AND NOT EXISTS (

SELECT null FROM del2 As t WHERE t.charname = c2.charname)

GROUP BY account_id

HAVING count(*) > 1) As x

WHERE x.account_id = c3.player_id;

DELETE FROM del2 USING del2, del3 WHERE del2.charname = del3.charname;

DROP TABLE del3;

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=== Delete ===

<source lang="sql">

DELETE FROM reached_achievement USING reached_achievement, del2 WHERE reached_achievement.charname = del2.charname;

DELETE FROM postman USING postman, del2 WHERE source = del2.charname;

DELETE FROM postman USING postman, del2 WHERE target = del2.charname;

DELETE FROM buddy USING buddy, del2 WHERE buddy.charname = del2.charname;

DELETE FROM buddy USING buddy, del2 WHERE buddy.buddy = del2.charname;

DELETE FROM character_stats USING character_stats, del2 WHERE name = del2.charname;

UPDATE halloffame, del2 SET halloffame.charname = concat('del.2012-05-06.', halloffame.charname) WHERE del2.charname=halloffame.charname;

UPDATE halloffame_archive_alltimes, del2 SET halloffame_archive_alltimes.charname = concat('del.2012-05-06.', halloffame_archive_alltimes.charname) WHERE del2.charname=halloffame_archive_alltimes.charname;

UPDATE halloffame_archive_recent, del2 SET halloffame_archive_recent.charname = concat('del.2012-05-06.', halloffame_archive_recent.charname) WHERE del2.charname=halloffame_archive_recent.charname;

UPDATE halloffame_archive, del2 SET halloffame_archive.charname = concat('del.2012-05-06.', halloffame_archive.charname) WHERE del2.charname=halloffame_archive.charname;

UPDATE cid, del2 SET cid.charname = concat('del.2012-05-06.', cid.charname) WHERE del2.charname=cid.charname;

-- TODO account

UPDATE characters, del2 SET characters.status='deleted' AND characters.charname = concat('del.2012-05-06.', characters.charname) WHERE del2.charname=characters.charname;