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Posted to dev@lucene.apache.org by "András Péteri (JIRA)" <ji...@apache.org> on 2012/06/12 10:25:44 UTC
[jira] [Commented] (LUCENE-3854) Non-tokenized fields become
tokenized when a document is deleted and added back
[ https://issues.apache.org/jira/browse/LUCENE-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293446#comment-13293446 ]
András Péteri commented on LUCENE-3854:
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Isn't this considered a regression from 3.x? In 3.6.0 I'm seeing an additional byte being read from the stream in FieldsReader, which contained bits that allowed the reader to reconstruct the Index enum correctly for the field. This should make it possible to properly update a document in which all fields were stored, with the exception of boost values (and they could be stored redundantly in a field as well to overcome this limitation).
> Non-tokenized fields become tokenized when a document is deleted and added back
> -------------------------------------------------------------------------------
>
> Key: LUCENE-3854
> URL: https://issues.apache.org/jira/browse/LUCENE-3854
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/index
> Affects Versions: 4.0
> Reporter: Benson Margulies
>
> https://github.com/bimargulies/lucene-4-update-case is a JUnit test case that seems to show a problem with the current trunk. It creates a document with a Field typed as StringField.TYPE_STORED and a value with a "-" in it. A TermQuery can find the value, initially, since the field is not tokenized.
> Then, the case reads the Document back out through a reader. In the copy of the Document that gets read out, the Field now has the tokenized bit turned on.
> Next, the case deletes and adds the Document. The 'tokenized' bit is respected, so now the field gets tokenized, and the result is that the query on the term with the - in it no longer works.
> So I think that the defect here is in the code that reconstructs the Document when read from the index, and which turns on the tokenized bit.
> I have an ICLA on file so you can take this code from github, but if you prefer I can also attach it here.
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