Trie range - make trie range indexing more flexible
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Key: LUCENE-1541
URL: https://issues.apache.org/jira/browse/LUCENE-1541
Project: Lucene - Java
Issue Type: Improvement
Components: contrib/*
Reporter: Ning Li
Priority: Minor
In the current trie range implementation, a single precision step is specified.
With a large precision step (say 8), a value is indexed in fewer terms (8) but
the number of terms for a range can be large. With a small precision step (say
2), the number of terms for a range is smaller but a value is indexed in more
terms (32).
We want to add an option that different precision steps can be set for
different precisions. An expert can use this option to keep the number of terms
for a range small and at the same time index a value in a small number of
terms. See the discussion in LUCENE-1470 that results in this issue.
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