Hoss wrote on the user list...
Terms when indexed are allways ordered lexigraphically (using
Term.compareTo which uses String.compareTo) ... regardless of what
field
or language they are in, so "Range Queries" must do their comparisons
lexigraphically as well.
because all Terms are indexed in one continuous TermEnum, it would be
fairly imposible to definite different Collators per field at index
time.
If you were to implement per-field Collators, how would you go about
it? There's been a long-standing request for KinoSearch to implement
arbitrary sorting.
The conclusion I reached was that you needed to have a dedicated
TermEnum for each field, implying individual term dictionary files
(.tis, .tii). But maybe there's a better way.
Marvin Humphrey
Rectangular Research
http://www.rectangular.com/
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