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Posted to dev@lucene.apache.org by "Alexandre Rafalovitch (JIRA)" <ji...@apache.org> on 2018/08/02 14:10:00 UTC
[jira] [Resolved] (SOLR-5332) Add "preserve original" setting to
the EdgeNGramFilterFactory
[ https://issues.apache.org/jira/browse/SOLR-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexandre Rafalovitch resolved SOLR-5332.
-----------------------------------------
Resolution: Implemented
Fix Version/s: (was: 6.0)
(was: 5.2)
It seems most of this has been implemented in other, already referenced issues. It is not clear what is left to do here.
I suggest a new issue is opened with latest needs, if any still exist in the current Solr version.
> 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.
> Priority: Major
>
> 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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