cleanup.sql

-- Delete orphaned alerts entries
DELETE FROM alerts WHERE NOT EXISTS (SELECT 1 FROM actions WHERE alerts.actionid = actions.actionid);
DELETE FROM alerts WHERE NOT EXISTS (SELECT 1 FROM events WHERE alerts.eventid = events.eventid);
DELETE FROM alerts WHERE NOT userid IN (SELECT userid FROM users);
DELETE FROM alerts WHERE NOT mediatypeid IN (SELECT mediatypeid FROM media_type);

-- Delete orphaned application entries that no longer map back to a host
DELETE FROM applications WHERE NOT hostid IN (SELECT hostid FROM hosts);

-- Delete orphaned auditlog details (such as logins)
DELETE FROM auditlog_details WHERE NOT auditid IN (SELECT auditid FROM auditlog);
DELETE FROM auditlog WHERE NOT userid IN (SELECT userid FROM users);

-- Delete orphaned conditions
DELETE FROM conditions WHERE NOT actionid IN (SELECT actionid FROM actions);

-- Delete orphaned functions
DELETE FROM functions WHERE NOT itemid IN (SELECT itemid FROM items);
DELETE FROM functions WHERE NOT triggerid IN (SELECT triggerid FROM triggers);

-- Delete orphaned graph items
DELETE FROM graphs_items WHERE NOT graphid IN (SELECT graphid FROM graphs);
DELETE FROM graphs_items WHERE NOT itemid IN (SELECT itemid FROM items);

-- Delete orphaned host macro's
DELETE FROM hostmacro WHERE NOT hostid IN (SELECT hostid FROM hosts);

-- Delete orphaned item data
DELETE FROM items WHERE hostid NOT IN (SELECT hostid FROM hosts);
DELETE FROM items_applications WHERE applicationid NOT IN (SELECT applicationid FROM applications);
DELETE FROM items_applications WHERE itemid NOT IN (SELECT itemid FROM items);

-- Delete orphaned HTTP check data
DELETE FROM httpstep WHERE NOT httptestid IN (SELECT httptestid FROM httptest);
DELETE FROM httpstepitem WHERE NOT httpstepid IN (SELECT httpstepid FROM httpstep);
DELETE FROM httpstepitem WHERE NOT itemid IN (SELECT itemid FROM items);
DELETE FROM httptest WHERE applicationid NOT IN (SELECT applicationid FROM applications);

-- Delete orphaned maintenance data
DELETE FROM maintenances_groups WHERE maintenanceid NOT IN (SELECT maintenanceid FROM maintenances);
DELETE FROM maintenances_groups WHERE groupid NOT IN (SELECT groupid FROM groups);
DELETE FROM maintenances_hosts WHERE maintenanceid NOT IN (SELECT maintenanceid FROM maintenances);
DELETE FROM maintenances_hosts WHERE hostid NOT IN (SELECT hostid FROM hosts);
DELETE FROM maintenances_windows WHERE maintenanceid NOT IN (SELECT maintenanceid FROM maintenances);
DELETE FROM maintenances_windows WHERE timeperiodid NOT IN (SELECT timeperiodid FROM timeperiods);

-- Delete orphaned mappings
DELETE FROM mappings WHERE NOT valuemapid IN (SELECT valuemapid FROM valuemaps);

-- Delete orphaned media items
DELETE FROM media WHERE NOT userid IN (SELECT userid FROM users);
DELETE FROM media WHERE NOT mediatypeid IN (SELECT mediatypeid FROM media_type);
DELETE FROM rights WHERE NOT groupid IN (SELECT usrgrpid FROM usrgrp);
DELETE FROM rights WHERE NOT id IN (SELECT groupid FROM groups);
DELETE FROM sessions WHERE NOT userid IN (SELECT userid FROM users);

-- Delete orphaned screens
DELETE FROM screens_items WHERE screenid NOT IN (SELECT screenid FROM screens);

-- Delete orphaned events & triggers
DELETE FROM trigger_depends WHERE triggerid_down NOT IN (SELECT triggerid FROM triggers);
DELETE FROM trigger_depends WHERE triggerid_up NOT IN (SELECT triggerid FROM triggers);

-- Delete records in the history/trends table for items that no longer exist
DELETE FROM history WHERE NOT EXISTS (SELECT 1 FROM items WHERE history.itemid = items.itemid);
DELETE FROM history_uint WHERE NOT EXISTS (SELECT 1 FROM items WHERE history_uint.itemid = items.itemid);
DELETE FROM history_log WHERE NOT EXISTS (SELECT 1 FROM items WHERE history_log.itemid = items.itemid);
DELETE FROM history_str WHERE NOT EXISTS (SELECT 1 FROM items WHERE history_str.itemid = items.itemid);
DELETE FROM history_text WHERE NOT EXISTS (SELECT 1 FROM items WHERE history_text.itemid = items.itemid);

DELETE FROM trends WHERE NOT EXISTS (SELECT 1 FROM items WHERE trends.itemid = items.itemid);
DELETE FROM trends_uint WHERE NOT EXISTS (SELECT 1 FROM items WHERE trends_uint.itemid = items.itemid);

-- Delete records in the events table for triggers/items that no longer exist
DELETE FROM events WHERE source = 0 AND object = 0 AND objectid NOT IN (SELECT triggerid FROM triggers);
DELETE FROM events WHERE source = 3 AND object = 0 AND objectid NOT IN (SELECT triggerid FROM triggers);
DELETE FROM events WHERE source = 3 AND object = 4 AND objectid NOT IN (SELECT itemid FROM items);

-- Delete all orphaned acknowledge entries
DELETE FROM acknowledges WHERE NOT eventid IN (SELECT eventid FROM events);
DELETE FROM acknowledges WHERE NOT userid IN (SELECT userid FROM users);
DELETE FROM acknowledges WHERE eventid IN (SELECT eventid FROM events WHERE (source = 0 OR source=3) AND object = 0 AND objectid NOT IN (SELECT triggerid FROM triggers));
DELETE FROM acknowledges WHERE eventid IN (SELECT eventid FROM events WHERE source=3 AND object = 4 AND objectid NOT IN (SELECT itemid FROM items));