CREATE TABLE items_applications_tmp ( itemappid bigint DEFAULT '0' NOT NULL, applicationid bigint DEFAULT '0' NOT NULL, itemid bigint DEFAULT '0' NOT NULL, PRIMARY KEY (itemappid) ) with OIDS; CREATE INDEX items_applications_tmp_1 on items_applications_tmp (applicationid,itemid); insert into items_applications_tmp select NULL,applicationid,itemid from items_applications; drop table items_applications; alter table items_applications_tmp rename to items_applications; CREATE TABLE items_applications_tmp ( itemappid bigint DEFAULT '0' NOT NULL, applicationid bigint DEFAULT '0' NOT NULL, itemid bigint DEFAULT '0' NOT NULL, PRIMARY KEY (itemappid) ) with OIDS; CREATE INDEX items_applications_1 on items_applications_tmp (applicationid,itemid); CREATE INDEX items_applications_2 on items_applications_tmp (itemid); insert into items_applications_tmp select * from items_applications; drop table items_applications; alter table items_applications_tmp rename to items_applications;