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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1241) 0xffff char is not a string terminator
Date Tue, 25 Mar 2008 11:53:25 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581884#action_12581884
] 

Michael McCandless commented on LUCENE-1241:
--------------------------------------------

OK how about a separate issue for ComparableCharSequence?

But it'd be great to first bring closure to this issue, ie, fixing the issues I found (above)
so we can assess performance impact of this change.

> 0xffff char is not a string terminator
> --------------------------------------
>
>                 Key: LUCENE-1241
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1241
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Hiroaki Kawai
>         Attachments: ComparableCharSequence.java, LUCENE-1241.patch
>
>
> Current trunk index.DocumentWriter uses "\uffff" as a string terminator, but it should
not to be for some reasons. \uffff is not a terminator char itself and we can't handle a string
that really contains \uffff. And also, we can calculate the end char position in a character
sequence from the string length that we already know.
> However, I agree with the usage for assertion, that "\uffff" is placed after at the end
of a string in a char sequence.

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