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https://issues.apache.org/jira/browse/LUCENE-4254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler resolved LUCENE-4254.
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Resolution: Invalid
Assignee: Uwe Schindler
This is not a bug. ICUCollationKeyAnalyzer is not for tokenization, so it will
never split words. Its solely use case is to create exactly one binary,
non-human-readable token, to be able to sort search results by this binary
value. The binary token will allow sorting by locale-dependent settings
("collation"). If it would produce more than one token, it would break sorting.
In general you use this Tokenizer for a specific field (e.g. with
PerFieldAnalyzerWrapper), so you can sort against this field. For all other
fields use a different Analyzer.
> ICUCollationKeyAnalyzer fail to tokenize Thai word
> --------------------------------------------------
>
> Key: LUCENE-4254
> URL: https://issues.apache.org/jira/browse/LUCENE-4254
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: Realtime Branch
> Environment: Windows 7 SP1.
> Java 1.7.0-b147
> Reporter: Nattapong Sirilappanich
> Assignee: Uwe Schindler
>
> Current implementation is:
> KeywordTokenizer tokenizer = new KeywordTokenizer(factory, reader,
> KeywordTokenizer.DEFAULT_BUFFER_SIZE);
> return new TokenStreamComponents(tokenizer, tokenizer);
> I tried change tokenizer from KeywordTokenizer to ICUTokenizer. It return a
> proper tokenized word.
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