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From "Furkan KAMACI (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-5152) EdgeNGramFilterFactory deletes token
Date Sun, 10 Nov 2013 22:32:18 GMT

     [ https://issues.apache.org/jira/browse/SOLR-5152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Furkan KAMACI updated SOLR-5152:
--------------------------------

    Attachment: SOLR-5152.patch

> EdgeNGramFilterFactory deletes token
> ------------------------------------
>
>                 Key: SOLR-5152
>                 URL: https://issues.apache.org/jira/browse/SOLR-5152
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 4.4
>            Reporter: Christoph Lingg
>         Attachments: SOLR-5152.patch
>
>
> I am using EdgeNGramFilterFactory in my schema.xml
> {code:xml}<fieldType name="text" class="solr.TextField" positionIncrementGap="100">
>   <analyzer type="index">
>     <!-- ... -->
>     <filter class="solr.EdgeNGramFilterFactory" minGramSize="2" maxGramSize="10" side="front"
/>
>   </analyzer>
> </fieldType>{code}
> Some tokens in my index only consist of one character, let's say {{R}}. minGramSize is
set to 2 and is bigger than the length of the token. I expected the NGramFilter to left {{R}}
unchanged but in fact it is deleting the token.
> For my use case this interpretation is undesirable, and probably for most use cases too!?



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