124 lines
2.7 KiB
SQL
124 lines
2.7 KiB
SQL
drop procedure if exists update_storage_stats;
|
|
|
|
delimiter //
|
|
|
|
create procedure update_storage_stats(IN StorageId smallint(5), IN space BIGINT)
|
|
|
|
sql security invoker
|
|
|
|
deterministic
|
|
|
|
begin
|
|
|
|
update Storage set DiskSpace = DiskSpace + space where Id = StorageId;
|
|
|
|
end;
|
|
|
|
//
|
|
|
|
delimiter ;
|
|
|
|
drop trigger if exists event_update_trigger;
|
|
|
|
delimiter //
|
|
|
|
create trigger event_update_trigger
|
|
|
|
after update
|
|
|
|
on Events
|
|
|
|
for each row
|
|
|
|
begin
|
|
declare diff BIGINT default 0;
|
|
|
|
set diff = NEW.DiskSpace - OLD.DiskSpace;
|
|
IF ( NEW.StorageId = OLD.StorageID ) THEN
|
|
|
|
IF ( diff ) THEN
|
|
call update_storage_stats(OLD.StorageId, diff);
|
|
END IF;
|
|
ELSE
|
|
IF ( NEW.DiskSpace ) THEN
|
|
call update_storage_stats(NEW.StorageId, NEW.DiskSpace);
|
|
END IF;
|
|
IF ( OLD.DiskSpace ) THEN
|
|
call update_storage_stats(OLD.StorageId, -OLD.DiskSpace);
|
|
END IF;
|
|
END IF;
|
|
|
|
end;
|
|
|
|
//
|
|
|
|
delimiter ;
|
|
|
|
drop trigger if exists event_insert_trigger;
|
|
|
|
delimiter //
|
|
/*
|
|
create trigger event_insert_trigger
|
|
|
|
after insert
|
|
|
|
on Events
|
|
|
|
for each row
|
|
|
|
begin
|
|
|
|
call update_storage_stats(NEW.StorageId, NEW.DiskSpace);
|
|
|
|
end;
|
|
*/
|
|
//
|
|
|
|
delimiter ;
|
|
|
|
|
|
drop trigger if exists event_delete_trigger;
|
|
|
|
delimiter //
|
|
|
|
create trigger event_delete_trigger
|
|
|
|
before delete
|
|
|
|
on Events
|
|
|
|
for each row
|
|
|
|
begin
|
|
|
|
call update_storage_stats(OLD.StorageId, -OLD.DiskSpace);
|
|
|
|
end;
|
|
|
|
//
|
|
|
|
delimiter ;
|
|
|
|
set @exist := (select count(*) from information_schema.statistics where table_name = 'Events' and index_name = 'Archived' and table_schema = database());
|
|
set @sqlstmt := if( @exist > 0, 'DROP INDEX Archived ON Events', "SELECT 'Archived INDEX is already removed.'");
|
|
PREPARE stmt FROM @sqlstmt;
|
|
EXECUTE stmt;
|
|
|
|
set @exist := (select count(*) from information_schema.statistics where table_name = 'Events' and index_name = 'Frames' and table_schema = database());
|
|
set @sqlstmt := if( @exist > 0, 'DROP INDEX Frames ON Events', "SELECT 'Frames INDEX is already removed.'");
|
|
PREPARE stmt FROM @sqlstmt;
|
|
EXECUTE stmt;
|
|
|
|
set @exist := (select count(*) from information_schema.statistics where table_name = 'Events' and index_name = 'Events_StorageId_idx' and table_schema = database());
|
|
set @sqlstmt := if( @exist > 0, "SELECT 'Index Events_StorageId_idx already exists.'", 'CREATE INDEX Events_StorageId_idx on Events (StorageId)');
|
|
PREPARE stmt FROM @sqlstmt;
|
|
EXECUTE stmt;
|
|
|
|
set @exist := (select count(*) from information_schema.statistics where table_name = 'Events' and index_name = 'Events_EndTime_DiskSpace_idx' and table_schema = database());
|
|
set @sqlstmt := if( @exist > 0, "SELECT 'Index Events_EndTime_DiskSpace_idx already exists.'", 'CREATE INDEX Events_EndTime_DiskSpace_idx on Events (EndTime, DiskSpace)');
|
|
PREPARE stmt FROM @sqlstmt;
|
|
EXECUTE stmt;
|
|
|
|
UPDATE Storage SET DiskSpace=(SELECT SUM(DiskSpace) FROM Events WHERE StorageId=Storage.Id);
|
|
|