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https://issues.apache.org/jira/browse/LUCENE-2265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-2265:
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Attachment: LUCENE-2265.patch
Attached patch for first cut at APIs to convert a UTF32 automaton to UTF8.
There's a test case that verifies the conversion is working correctly. It
seems to be working.
This patch is just the low level API, ie, converting one edge containing a
UTF32 range. I still need to fix it to convert an entire UTF32 DFA... should
be straightforward.
Also, I need to merge with Robert's int (UTF32) cutover and a UTF8RunAutomaton.
> improve automaton performance by running on byte[]
> --------------------------------------------------
>
> Key: LUCENE-2265
> URL: https://issues.apache.org/jira/browse/LUCENE-2265
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: Flex Branch
> Reporter: Robert Muir
> Priority: Minor
> Fix For: Flex Branch
>
> Attachments: LUCENE-2265.patch, LUCENE-2265.patch,
> LUCENE-2265_pare.patch
>
>
> Currently, when enumerating terms, automaton must convert entire terms from
> flex's native utf-8 byte[] to char[] first, then step each char thru the
> state machine.
> we can make this more efficient, by allowing the state machine to run on
> byte[], so it can return true/false faster.
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