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https://issues.apache.org/jira/browse/SOLR-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13834318#comment-13834318
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Furkan KAMACI commented on SOLR-5332:
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I just gave an example use case of that option. I mean that: EdgeNGram may have
that option or this option may be removed from WordDelimiter too it depends on
whichever is a good choice. Of course it does not mean that if WordDelimiter
has that option others should have too. However they have similar use cases and
WordDelimiter one has that option.
On the other hand this issue is a duplicate of another one as I mentioned at my
comment. This issue has some problems at description section as I mentioned too
so we should not directly care about it as a use case. I implemented a wish for
community because some people needs and wants it (I do not use it at my current
application/s). It is up to us to decide using it or not.
> Add "preserve original" setting to the EdgeNGramFilterFactory
> -------------------------------------------------------------
>
> Key: SOLR-5332
> URL: https://issues.apache.org/jira/browse/SOLR-5332
> Project: Solr
> Issue Type: Wish
> Affects Versions: 4.4, 4.5, 4.5.1, 4.6
> Reporter: Alexander S.
>
> Hi, as described here:
> http://lucene.472066.n3.nabble.com/Help-to-figure-out-why-query-does-not-match-td4086967.html
> the problem is in that if you have these 2 strings to index:
> 1. facebook.com/someuser.1
> 2. facebook.com/someveryandverylongusername
> and the edge ngram filter factory with min and max gram size settings 2 and
> 25, search requests for these urls will fail.
> But search requests for:
> 1. facebook.com/someuser
> 2. facebook.com/someveryandverylonguserna
> will work properly.
> It's because first url has "1" at the end, which is lover than the allowed
> min gram size. In the second url the user name is longer than the max gram
> size (27 characters).
> Would be good to have a "preserve original" option, that will add the
> original string to the index if it does not fit the allowed gram size, so
> that "1" and "someveryandverylongusername" tokens will also be added to the
> index.
> Best,
> Alex
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