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------- Additional Comments From [EMAIL PROTECTED]  2005-05-18 19:59 -------
A query returning all docs can indeed be useful on occasion, it was the subject 
of some recent messages on the java-user list. 
 
Some remarks: 
- MatchAllDocsQuery might be a better name, NullQuery could also to suggest 
  not matching any docs at all (which can also be useful on occasion btw.) 
- The scorer uses an int[] for all the non deleted docs which can be 
  a rather high burden on memory and initialisation. This could be avoided 
  by using the information on deleted docs from the reader directly 
  in the scorer. 
- The score value is a constant, and queries with this property are 
  currently under discussion on java-dev. This might become a special 
  case of the filters discussed there. 
 
Regards, 
Paul Elschot   

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