(no subject)

[Kenneth Brody]

Quoting Jeff Harrison (Wed, 21 Dec 2005 08:25:21 -0800 (PST)):

> --- John Esak <john at valar.com> wrote:
>
> > To rebuild demand indexes...
> >
> > -RF n,l,o:n,l,o ...  rebuilds a demand index on
> > field,length & order.
> >
> > and here is some more info....
> >
> [snip]
>
> Good info, but I don't think that this is what Gary
> had in mind.  It sounds like he is looking for
> something like the -ra flag for demand indexes, so
> that he can re-build the demand indexes on the same
> keys and the same selection as they were the last
> time.

The selection criteria, which may include "-v" processing, are
not saved with the demand index.

> I believe that you can use the -r flag to rebuild on
> the same keys, but the selection information is not
> stored in the index, so I don't think there is a way
> to have it automatically select the correct records
> without doing some work beforehand.... Unless you
> always want to select all records.  In that case the
> following should work where N is the demand index:
>
> dxmaint filename -oN -r -a -e

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