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https://issues.apache.org/jira/browse/LUCENE-4254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422271#comment-13422271
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Robert Muir commented on LUCENE-4254:
-------------------------------------
{quote}
If a field that i required must be both tokenized and using
ICUCollationKeyAnalyzer, do i have to use method Field.setTokenStream() only
{quote}
If you have a field "title" that you want tokenized (for search) but collated
(for sort), I think its best
to create "title" and "title_sort".
In general sort really only works if the field has a single value, so you dont
want to mix the two. You can
then optimize the sort field: disable storing (Field.Store.NO) for "title_sort"
since its already stored
in "title", and usually also omitNorms(), and set the index options to
DOCS_ONLY.
> 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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