--将酒水组表的主键改为非自增的
alter table RecipeGroups add useridtmp int null
go
update RecipeGroups set useridtmp = RecipeGroup_ID
go
declare @a varchar(100)
select @a=name from sysobjects where parent_obj=(select id from sysobjects where name='RecipeGroups') and xtype='PK'
if @a is not null
exec('alter table RecipeGroups drop '+@a)
alter table RecipeGroups drop column RecipeGroup_ID
go
alter table RecipeGroups add RecipeGroup_ID int null
go
update RecipeGroups set RecipeGroup_ID = useridtmp
go
alter table RecipeGroups drop column useridtmp
go
alter table RecipeGroups alter column RecipeGroup_ID int not null
go
alter table RecipeGroups add primary key (RecipeGroup_ID)
go

