change sort order to binary order
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Key: LUCENE-2426
URL: https://issues.apache.org/jira/browse/LUCENE-2426
Project: Lucene - Java
Issue Type: Improvement
Components: Index
Affects Versions: 4.0.0
Reporter: Robert Muir
Fix For: 4.0.0
Since flexible indexing, terms are now represented as byte[], but for backwards
compatibility reasons, they are not sorted as byte[], but instead as if they
were char[].
I think its time to look at sorting terms as byte[]... this would yield the
following improvements:
* terms are more opaque by default, they are byte[] and sort as byte[]. I think
this would make lucene friendlier to customizations.
* numerics and collation are then free to use their own encoding (full byte)
rather than avoiding the use of certain bits to remain compatible with char[]
sort order.
* automaton gets simpler because as in LUCENE-2265, it uses byte[] too, and has
special hacks because terms are sorted as char[]
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