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https://issues.apache.org/jira/browse/LUCENE-2019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12772128#action_12772128
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Robert Muir edited comment on LUCENE-2019 at 10/30/09 10:30 PM:
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Yonik, no. this is how i see it.
process-internal means just that, internal to processing.
So if I want to use U+FDDF in some lucene process, say as a syllable delimiter
or something like that, i should not have to worry about it being stored in a
*portable index* as an abstract character (inside some term text)
again this is my interpretation, so if you guys disagree, please mark the issue
as not fix, but i enjoy the discussion.
<edit addition>
here is an example use case, perhaps i want to make a Query that needs to do
some fuzzy matching or something crazy for a difficult language.
i should be able to internally use any of these process-internal codepoints as
delimiters in my processing (process-internal)
without worrying that they will be in the Term text from TermEnum.
was (Author: rcmuir):
Yonik, no. this is how i see it.
process-internal means just that, internal to processing.
So if I want to use U+FDDF in some lucene process, say as a syllable delimiter
or something like that, i should not have to worry about it being stored in a
*portable index* as an abstract character (inside some term text)
again this is my interpretation, so if you guys disagree, please mark the issue
as not fix, but i enjoy the discussion.
> map unicode process-internal codepoints to replacement character
> ----------------------------------------------------------------
>
> Key: LUCENE-2019
> URL: https://issues.apache.org/jira/browse/LUCENE-2019
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Robert Muir
> Priority: Minor
> Attachments: LUCENE-2019.patch
>
>
> A spinoff from LUCENE-2016.
> There are several process-internal codepoints in unicode, we should not store
> these in the index.
> Instead they should be mapped to replacement character (U+FFFD), so they can
> be used process-internally.
> An example of this is how Lucene Java currently uses U+FFFF
> process-internally, it can't be in the index or will cause problems.
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