Re: Negative Boost

[Erik Hatcher]

On Aug 4, 2004, at 7:19 AM, Terry Steichen wrote:
I can't get negative boosts to work with QueryParser.  Is it possible 
to do so?
Closer inspection on the parsing:
<Boost> TOKEN : {
<NUMBER:    (<_NUM_CHAR>)+ ( "." (<_NUM_CHAR>)+ )? > : DEFAULT
}
where
  <#_NUM_CHAR:   ["0"-"9"] >
So, no, negative boosts don't appear possible with QueryParser 
currently.  I have no objections if you'd like to enhance the grammar 
to allow for it (provided sufficient unit tests, of course).

        Erik
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