tcorbet wrote:
I have an index over the titles to .mp3 songs.
It is not unreasonable for the user to want to
see the results from: "Show me Everything".
I understand that title:* is not a valid wildcard query.
I understand that title:[a* TO z*] is a valid wildcard query.
What I cannot understand is this behavior which
throws no exceptions:
title:[a* TO z*] returns 0 hits.
title [a* TO m*] OR [n* TO z*] returns *almost* the
correct answer -- one title [of approximately 1200] is missing.
title:[a* TO m*] OR [m* TO z*] correctly returns
all the available titles.
What I have done in a case like this is short-circuit the search for an
empty query and just read the documents out of the index, in order.
That is, I don't really run a search in this case. It's only a few
lines of extra code, and you don't have to retrieve every document in
the index until you need them. Using a workaround query as in your
example causes Lucene to examine every document in the index before
returning you any. Good luck!
--MDC
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