Omit termFreq but keep Positions
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Key: LUCENE-3315
URL: https://issues.apache.org/jira/browse/LUCENE-3315
Project: Lucene - Java
Issue Type: Improvement
Components: core/index
Affects Versions: 3.1
Reporter: Jibo John
It would be useful to have an option to discard term frequency information but
still keep the positions. Currently, setOmitTermFreqAndPositions discards both.
The recent commit LUCENE-2048 adds the flexibility to discard only the
positions. With the new option to discard frequency, position-dependent queries
can continue to work, and whoever can afford to ignore the scoring based on tf
can save a lot on the index size.
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