|Subject||Re: How to create a foreign key that use an already existing index ?|
because the other is the primary key and i really need the primary key (for "update or insert" in particulary)
--- In firstname.lastname@example.org, Mark Rotteveel <mark@...> wrote:
> On 6-4-2013 13:14, sabatierstephane wrote:
> > i was thinging the same, but the using index it's just to "name" the index (i m sad) not to use another index :(
> > "You must always provide a new name for the index. It is not possible to use pre-existing indices to enforce constraints."
> > so the using index is useless in fact :(
> Why don't you just drop the other index?
> Mark Rotteveel