zoneminder/db/triggers.sql

249 lines
10 KiB
SQL

delimiter //
DROP TRIGGER IF EXISTS Events_Hour_delete_trigger//
CREATE TRIGGER Events_Hour_delete_trigger BEFORE DELETE ON Events_Hour
FOR EACH ROW BEGIN
UPDATE Event_Summaries SET
HourEvents = GREATEST(COALESCE(HourEvents,1)-1,0),
HourEventDiskSpace=GREATEST(COALESCE(HourEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END;
//
DROP TRIGGER IF EXISTS Events_Hour_update_trigger//
CREATE TRIGGER Events_Hour_update_trigger AFTER UPDATE ON Events_Hour
FOR EACH ROW
BEGIN
declare diff BIGINT default 0;
set diff = COALESCE(NEW.DiskSpace,0) - COALESCE(OLD.DiskSpace,0);
IF ( diff ) THEN
IF ( NEW.MonitorID != OLD.MonitorID ) THEN
UPDATE Event_Summaries SET HourEventDiskSpace=GREATEST(COALESCE(HourEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0) WHERE Event_Summaries.MonitorId=OLD.MonitorId;
UPDATE Event_Summaries SET HourEventDiskSpace=COALESCE(HourEventDiskSpace,0)+COALESCE(NEW.DiskSpace,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
ELSE
UPDATE Event_Summaries SET HourEventDiskSpace=COALESCE(HourEventDiskSpace,0)+diff WHERE Event_Summaries.MonitorId=NEW.MonitorId;
END IF;
END IF;
END;
//
DROP TRIGGER IF EXISTS Events_Day_delete_trigger//
CREATE TRIGGER Events_Day_delete_trigger BEFORE DELETE ON Events_Day
FOR EACH ROW BEGIN
UPDATE Event_Summaries SET
DayEvents = GREATEST(COALESCE(DayEvents,1)-1,0),
DayEventDiskSpace=GREATEST(COALESCE(DayEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END;
//
DROP TRIGGER IF EXISTS Events_Day_update_trigger;
CREATE TRIGGER Events_Day_update_trigger AFTER UPDATE ON Events_Day
FOR EACH ROW
BEGIN
declare diff BIGINT default 0;
set diff = COALESCE(NEW.DiskSpace,0) - COALESCE(OLD.DiskSpace,0);
IF ( diff ) THEN
IF ( NEW.MonitorID != OLD.MonitorID ) THEN
UPDATE Event_Summaries SET DayEventDiskSpace=GREATEST(COALESCE(DayEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0) WHERE Event_Summaries.MonitorId=OLD.MonitorId;
UPDATE Event_Summaries SET DayEventDiskSpace=COALESCE(DayEventDiskSpace,0)+COALESCE(NEW.DiskSpace,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
ELSE
UPDATE Event_Summaries SET DayEventDiskSpace=GREATEST(COALESCE(DayEventDiskSpace,0)+diff,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
END IF;
END IF;
END;
//
DROP TRIGGER IF EXISTS Events_Week_delete_trigger//
CREATE TRIGGER Events_Week_delete_trigger BEFORE DELETE ON Events_Week
FOR EACH ROW BEGIN
UPDATE Event_Summaries SET
WeekEvents = GREATEST(COALESCE(WeekEvents,1)-1,0),
WeekEventDiskSpace=GREATEST(COALESCE(WeekEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END;
//
DROP TRIGGER IF EXISTS Events_Week_update_trigger;
CREATE TRIGGER Events_Week_update_trigger AFTER UPDATE ON Events_Week
FOR EACH ROW
BEGIN
declare diff BIGINT default 0;
set diff = COALESCE(NEW.DiskSpace,0) - COALESCE(OLD.DiskSpace,0);
IF ( diff ) THEN
IF ( NEW.MonitorID != OLD.MonitorID ) THEN
UPDATE Event_Summaries SET WeekEventDiskSpace=GREATEST(COALESCE(WeekEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0) WHERE Event_Summaries.MonitorId=OLD.MonitorId;
UPDATE Event_Summaries SET WeekEventDiskSpace=COALESCE(WeekEventDiskSpace,0)+COALESCE(NEW.DiskSpace,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
ELSE
UPDATE Event_Summaries SET WeekEventDiskSpace=GREATEST(COALESCE(WeekEventDiskSpace,0)+diff,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
END IF;
END IF;
END;
//
DROP TRIGGER IF EXISTS Events_Month_delete_trigger//
CREATE TRIGGER Events_Month_delete_trigger BEFORE DELETE ON Events_Month
FOR EACH ROW BEGIN
UPDATE Event_Summaries SET
MonthEvents = GREATEST(COALESCE(MonthEvents,1)-1,0),
MonthEventDiskSpace=GREATEST(COALESCE(MonthEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END;
//
DROP TRIGGER IF EXISTS Events_Month_update_trigger;
CREATE TRIGGER Events_Month_update_trigger AFTER UPDATE ON Events_Month
FOR EACH ROW
BEGIN
declare diff BIGINT default 0;
set diff = COALESCE(NEW.DiskSpace,0) - COALESCE(OLD.DiskSpace,0);
IF ( diff ) THEN
IF ( NEW.MonitorID != OLD.MonitorID ) THEN
UPDATE Event_Summaries SET MonthEventDiskSpace=GREATEST(COALESCE(MonthEventDiskSpace,0)-COALESCE(OLD.DiskSpace),0) WHERE Event_Summaries.MonitorId=OLD.MonitorId;
UPDATE Event_Summaries SET MonthEventDiskSpace=COALESCE(MonthEventDiskSpace,0)+COALESCE(NEW.DiskSpace) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
ELSE
UPDATE Event_Summaries SET MonthEventDiskSpace=GREATEST(COALESCE(MonthEventDiskSpace,0)+diff,0) WHERE Event_Summaries.MonitorId=NEW.MonitorId;
END IF;
END IF;
END;
//
drop procedure if exists update_storage_stats//
drop trigger if exists event_update_trigger//
CREATE TRIGGER event_update_trigger AFTER UPDATE ON Events
FOR EACH ROW
BEGIN
declare diff BIGINT default 0;
set diff = COALESCE(NEW.DiskSpace,0) - COALESCE(OLD.DiskSpace,0);
IF ( NEW.StorageId = OLD.StorageID ) THEN
IF ( diff ) THEN
UPDATE Storage SET DiskSpace = GREATEST(COALESCE(DiskSpace,0) + diff,0) WHERE Storage.Id = OLD.StorageId;
END IF;
ELSE
IF ( NEW.DiskSpace ) THEN
UPDATE Storage SET DiskSpace = COALESCE(DiskSpace,0) + NEW.DiskSpace WHERE Storage.Id = NEW.StorageId;
END IF;
IF ( OLD.DiskSpace ) THEN
UPDATE Storage SET DiskSpace = GREATEST(COALESCE(DiskSpace,0) - OLD.DiskSpace,0) WHERE Storage.Id = OLD.StorageId;
END IF;
END IF;
UPDATE Events_Hour SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
UPDATE Events_Day SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
UPDATE Events_Week SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
UPDATE Events_Month SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
IF ( NEW.Archived != OLD.Archived ) THEN
IF ( NEW.Archived ) THEN
INSERT INTO Events_Archived (EventId,MonitorId,DiskSpace) VALUES (NEW.Id,NEW.MonitorId,NEW.DiskSpace);
INSERT INTO Event_Summaries (MonitorId,ArchivedEvents,ArchivedEventDiskSpace) VALUES (NEW.MonitorId,1,NEW.DiskSpace) ON DUPLICATE KEY
UPDATE ArchivedEvents = COALESCE(ArchivedEvents,0)+1, ArchivedEventDiskSpace = COALESCE(ArchivedEventDiskSpace,0) + COALESCE(NEW.DiskSpace,0);
ELSEIF ( OLD.Archived ) THEN
DELETE FROM Events_Archived WHERE EventId=OLD.Id;
UPDATE Event_Summaries
SET
ArchivedEvents = GREATEST(COALESCE(ArchivedEvents,0)-1,0),
ArchivedEventDiskSpace = GREATEST(COALESCE(ArchivedEventDiskSpace,0) - COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
ELSE
IF ( OLD.DiskSpace != NEW.DiskSpace ) THEN
UPDATE Events_Archived SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
UPDATE Event_Summaries SET
ArchivedEventDiskSpace = GREATEST(COALESCE(ArchivedEventDiskSpace,0) - COALESCE(OLD.DiskSpace,0) + COALESCE(NEW.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END IF;
END IF;
ELSEIF ( NEW.Archived AND diff ) THEN
UPDATE Events_Archived SET DiskSpace=NEW.DiskSpace WHERE EventId=NEW.Id;
END IF;
IF ( diff ) THEN
UPDATE Event_Summaries
SET
TotalEventDiskSpace = GREATEST(COALESCE(TotalEventDiskSpace,0) - COALESCE(OLD.DiskSpace,0) + COALESCE(NEW.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END IF;
END;
//
DROP TRIGGER IF EXISTS event_insert_trigger//
/* The assumption is that when an Event is inserted, it has no size yet, so don't bother updating the DiskSpace, just the count.
* The DiskSpace will get update in the Event Update Trigger
*/
CREATE TRIGGER event_insert_trigger AFTER INSERT ON Events
FOR EACH ROW
BEGIN
INSERT INTO Events_Hour (EventId,MonitorId,StartDateTime,DiskSpace) VALUES (NEW.Id,NEW.MonitorId,NEW.StartDateTime,0);
INSERT INTO Events_Day (EventId,MonitorId,StartDateTime,DiskSpace) VALUES (NEW.Id,NEW.MonitorId,NEW.StartDateTime,0);
INSERT INTO Events_Week (EventId,MonitorId,StartDateTime,DiskSpace) VALUES (NEW.Id,NEW.MonitorId,NEW.StartDateTime,0);
INSERT INTO Events_Month (EventId,MonitorId,StartDateTime,DiskSpace) VALUES (NEW.Id,NEW.MonitorId,NEW.StartDateTime,0);
INSERT INTO Event_Summaries (MonitorId,HourEvents,DayEvents,WeekEvents,MonthEvents,TotalEvents) VALUES (NEW.MonitorId,1,1,1,1,1) ON DUPLICATE KEY
UPDATE
HourEvents = COALESCE(HourEvents,0)+1,
DayEvents = COALESCE(DayEvents,0)+1,
WeekEvents = COALESCE(WeekEvents,0)+1,
MonthEvents = COALESCE(MonthEvents,0)+1,
TotalEvents = COALESCE(TotalEvents,0)+1;
END;
//
DROP TRIGGER IF EXISTS event_delete_trigger//
CREATE TRIGGER event_delete_trigger BEFORE DELETE ON Events
FOR EACH ROW
BEGIN
IF ( OLD.DiskSpace ) THEN
UPDATE Storage SET DiskSpace = GREATEST(COALESCE(DiskSpace,0) - COALESCE(OLD.DiskSpace,0),0) WHERE Storage.Id = OLD.StorageId;
END IF;
DELETE FROM Events_Hour WHERE EventId=OLD.Id;
DELETE FROM Events_Day WHERE EventId=OLD.Id;
DELETE FROM Events_Week WHERE EventId=OLD.Id;
DELETE FROM Events_Month WHERE EventId=OLD.Id;
IF ( OLD.Archived ) THEN
DELETE FROM Events_Archived WHERE EventId=OLD.Id;
UPDATE Event_Summaries SET
ArchivedEvents = GREATEST(COALESCE(ArchivedEvents,1) - 1,0),
ArchivedEventDiskSpace = GREATEST(COALESCE(ArchivedEventDiskSpace,0) - COALESCE(OLD.DiskSpace,0),0),
TotalEvents = GREATEST(COALESCE(TotalEvents,1) - 1,0),
TotalEventDiskSpace = GREATEST(COALESCE(TotalEventDiskSpace,0) - COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
ELSE
UPDATE Event_Summaries SET
TotalEvents = GREATEST(COALESCE(TotalEvents,1)-1,0),
TotalEventDiskSpace=GREATEST(COALESCE(TotalEventDiskSpace,0)-COALESCE(OLD.DiskSpace,0),0)
WHERE Event_Summaries.MonitorId=OLD.MonitorId;
END IF;
END;
//
DROP TRIGGER IF EXISTS Zone_Insert_Trigger//
CREATE TRIGGER Zone_Insert_Trigger AFTER INSERT ON Zones
FOR EACH ROW
BEGIN
UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=NEW.MonitorId) WHERE Monitors.Id=NEW.MonitorID;
END
//
DROP TRIGGER IF EXISTS Zone_Delete_Trigger//
CREATE TRIGGER Zone_Delete_Trigger AFTER DELETE ON Zones
FOR EACH ROW
BEGIN
UPDATE Monitors SET ZoneCount=(SELECT COUNT(*) FROM Zones WHERE MonitorId=OLD.MonitorId) WHERE Monitors.Id=OLD.MonitorID;
END
//
DELIMITER ;