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From "Alberto Squassabia" <>
Subject query behavior
Date Mon, 26 Sep 2005 22:46:45 GMT

I learnt from a mailing list archive that the following applies:

Tue, 06 Jan 2004 
I have a index with documents that have only 2 fields, the first
(unique) is 'very unique', in that most document have at least somewhat
varying terms, the second is a boolean that contains only (boolean)
'true' or 'false'. The index contains 100,000,000+ documents.
If I perform the following search "+unique:somevalue +boolean:true',
lucene with search on the first term, returning very few documents, but
then it will search the second term, returning possibly a million+
documents, then it will intersect the list, return 'hits' of only a few
[. . .]
This behavior has been observed with the 1.3 final code.
Robert Engels

Can anyone tell me if that is still true for 1.4?  Or if there are any
optimizations that is possible to hardcode in such a case (I have a
similar problem).


Alberto S

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