[Xapian-tickets] [Xapian] #307: OP_SYNONYM should allow field weights to be set on its members

[Xapian]

#307: OP_SYNONYM should allow field weights to be set on its members
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 Reporter:  richard      |        Owner:  richard 
     Type:  enhancement  |       Status:  assigned
 Priority:  normal       |    Milestone:  1.1.0   
Component:  Matcher      |      Version:  SVN HEAD
 Severity:  normal       |   Resolution:          
 Keywords:               |    Blockedby:  50      
 Platform:  All          |     Blocking:          
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Comment(by olly):

 Is OP_SYNONYM with OP_SCALE_WEIGHT applied to the subqueries usefully
 close to this?

 If you're going to allow scaling of wdf values like this, then you
 probably need to adjust the document length correspondingly, which seems
 to be an ugly direction.  Otherwise you'll violate inequalities I think we
 currently rely on for optimising, such as: {{{wdf(term,doc) <=
 doclen(doc)}}}

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Ticket URL: <http://trac.xapian.org/ticket/307#comment:2>
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