On Mar 22, 2007, at 8:13 PM, Marvin Humphrey wrote:
On Mar 22, 2007, at 3:18 PM, Michael McCandless wrote:
Actually is #2 a hard requirement?
A lot of Lucene users depend on having document number correspond
to age, I think. ISTR Hatcher at least recommending techniques
that require it.
I may have recommended it only as "if you can guarantee you index in
age order then you can ... ", but given FunctionQuery's ability to
rank based on age given a date field per document its not needed.
Guaranteeing any kind of order of document insertion (given updates
that delete and re-add) is not really possible in most cases anyway.
Erik
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