I've already eaten crow privately for my half-baked response to the original
question.  Now, I do so publicly!

-Dave


> -----Original Message-----
> From: Chris Goodey [mailto:[log in to unmask]]
> Sent: Tuesday, November 14, 2000 12:39 PM
> To: Dave Darnell; [log in to unmask]
> Subject: RE: [HP3000-L] Chain vs. IF - No Results!
>
>
> Suprtool works quite well with Omnidex keys.
>
> If the 'key' in question is keyword indexed,
> doing a CHAIN DATASET, OMNIKEY = "VALUE" pulls up
> everything (not case sensitive)that call
>
> You can also do CHAIN DATASET, OMNIKEY = "VALUE@"
> to retrieve everything that starts with a value.
>
> You can even use tricks like finding all values > than
> a specific key, as in
> CHAIN DATASET, OMNIKEY = ">VALUE"
>
> It turns out to be more flexible than you would guess
> from reading the available literature. Either by design
> or accident, it works very well!
>
> Omnidex is faster than you would think, too. I was
> surprised how fast I could completely reindex my entire
> data base  (took hours, I was expecting tens of hours)
> Adding keys doesn't seem to slow things down all that much
> (assuming you have plenty of memory, so the indexes
> update in memory.)
>
>
>
>
> -----Original Message-----
> From: Dave Darnell [mailto:[log in to unmask]]
> Sent: Monday, November 13, 2000 2:18 PM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] Chain vs. IF - No Results!
>
>
> I should have been more clear -- I don't believe the CHAIN
> command will look
> at the Omnidex index for the stated field - Omnidex keys
> (keyword or sorted)
> are not chains.
>
> > -----Original Message-----
> > From: Dave Darnell
> > Sent: Monday, November 13, 2000 3:15 PM
> > To: 'Jeff Mikolai'; [log in to unmask]
> > Subject: RE: Chain vs. IF - No Results!
> >
> >
> > Then I'd have to say that the chain command will not work
> > because there is no Image chain on that field.  Suprtool
> > should let you retrieve by the Omnidex key, though.  I cannot
> > remember the command.
> >
> > Based on the performance numbers reported by Suprtool, the
> > 'IF USER-ID="ISMS4066"' option may well be taking advantage
> > of the Omnidex key, but I can't tell for sure....
> >
> > Was there a reason for not wanting to use the 'IF
> > USER-ID="ISMS4066"' method?
> >
> > -dtd
> >
>
> <SNIPPAGE>
>