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https://issues.apache.org/jira/browse/LUCENE-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-2514:
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Attachment: LUCENE-2514.patch
attached is an updated patch, with uwe's changes, plus some additional
conversions like TermsFilter and FieldCacheTermsFilter
The range ones are a bit tricky, mainly because they work with collators with
makes no sense with byte[]. but if collator is null then byte[] makes sense.
the collator stuff is silly in a way, if we switch collation to byte[] it will
use less ram than even the original String in lucene 3.x, and sort much faster.
one option might be to split the collating range stuff into its own classes or
something, i think its a bit confusing how collation is mixed in with 'binary'
order... it tricks you into thinking the 'default' is UCA or default locale or
something, but is neither.
> Change Term to use bytes
> ------------------------
>
> Key: LUCENE-2514
> URL: https://issues.apache.org/jira/browse/LUCENE-2514
> Project: Lucene - Java
> Issue Type: Task
> Components: Search
> Affects Versions: 4.0
> Reporter: Robert Muir
> Attachments: LUCENE-2514-surrogates-dance.patch, LUCENE-2514.patch,
> LUCENE-2514.patch, LUCENE-2514.patch, LUCENE-2514.patch, LUCENE-2514.patch,
> LUCENE-2514.patch
>
>
> in LUCENE-2426, the sort order was changed to codepoint order.
> unfortunately, Term is still using string internally, and more importantly
> its compareTo() uses the wrong order [utf-16].
> So MultiTermQuery, etc (especially its priority queues) are currently wrong.
> By changing Term to use bytes, we can also support terms encoded as bytes
> such as numerics, instead of using
> strange string encodings.
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