Hi Erik,
Thanks for the reply. All dateTime fields are zero-padded and the
same length, and each indexed document has a valid dateTime value.
Regarding the sort type, INT generates a ParseException, I assume
because the string has too many digits to fit in an int. I looked
for a LONG type but couldn't find one. So string was the next logical
choice.
Regards,
James
--- Erik Hatcher <[EMAIL PROTECTED]> wrote:
>
> On Apr 21, 2005, at 5:22 PM, James Levine wrote:
>
> > I have an index of around 3 million records, and typical queries
> > can result in result sets of between 1 and 400,000 results.
> >
> > We have indexed "dateTime" fields in the form 20050415142, that is, to
> > 10-minute precision.
> >
> > When I try to sort queries I get something back that is roughly sorted
> > on index, but not quite. Stuff is out of order just a bit. The
> > size of the result set does not seem to be related occurance of
> > this problem.
> >
> > We've tried lucene 1.4-final and1.4.3.
> >
> > my code looks like this
> >
> > s = new Sort( new SortField[] { new SortField( "dateTime",
> > SortField.STRING,
> > true ), SortField.FIELD_SCORE } );
> >
> > ...
> >
> > hits = searcher.search( qry, s );
> >
> >
> > Any help is appreciated, I'm so far baffled by this problem.
>
> I don't have a solution, but rather some questions to check.... are all
> dateTime's the same width, zero padded on the right? Does every
> document have a dateTime field?
>
> I recommend you sort with type INT instead of STRING if it fits, or
> maybe LONG. STRING will use the most resources for sorting.
>
> Erik
>
>
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