CREATE TABLE services_links_tmp (
	linkid		bigint unsigned		DEFAULT '0'	NOT NULL,
	serviceupid		bigint unsigned		DEFAULT '0'	NOT NULL,
	servicedownid		bigint unsigned		DEFAULT '0'	NOT NULL,
	soft		integer		DEFAULT '0'	NOT NULL,
	PRIMARY KEY (linkid)
) ENGINE=InnoDB;
CREATE INDEX services_links_links_1 on services_links_tmp (servicedownid);
CREATE UNIQUE INDEX services_links_links_2 on services_links_tmp (serviceupid,servicedownid);

insert into services_links_tmp select * from services_links;
drop table services_links;
alter table services_links_tmp rename services_links;