Re: System indexes are never unique indexes( was RE: [HACKERS] mdnblocksis

>
> [Charset iso-8859-1 unsupported, filtering to ASCII...]
> > >
> > > > As I was afraid,2 tables of a same name could be made.
> > > > After a short investigating,I found that system indexes are
> > > > never unique indexes.
> > > > Why ?
> > > > Without duplicate index check,it's very difficult to prevent
> > > > objects from having same name.
> > >
> > > They certainly should be unique.
> > >
> >
> > All should be unique ?
> > I don't know system indexes well.
>
> Not sure.  I don't remember which ones.  I can take a look when I add
> more indexes for 7.0.

    Don't  remember  if  really  or  what,  but wasn't there some
    problem with cached  system  relations,  unique  indices  and
    concurrency?


Jan

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