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https://issues.apache.org/jira/browse/LUCENE-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630884#action_12630884
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Karl Wettin commented on LUCENE-1380:
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bq. Ok. So there's no way to do it through configuration only.
In Solr? Well, I don't really do Solr but I'm pretty sure all you have to do is
to create the filter as a new class, add it to the class path and add it as a
filter to the query analyzer in your configuration.
bq. Would a patch with such a TokenFilter be useful for anybody else other than
ShingleFilter users?
I'd say no, that it only seems to make sense for shingles at query parsing time.
bq. Again i'm a newbie here but i suspect there's no other filter (yet) which
works across the tokens (and hence breaks down the importance of
positionIncrement) within a query in the way ShingleFilter does.
I don't understand what you say here. All this patch does is to set all
position increment of the tokens produced by the ShingleFilter to 0, right?
I'm going to remove this for 2.4 fix and recommend you to use the filter
strategy mentioned. I'll leave the issue open for discussion though.
> Patch for ShingleFilter.enablePositions
> ---------------------------------------
>
> Key: LUCENE-1380
> URL: https://issues.apache.org/jira/browse/LUCENE-1380
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/analyzers
> Reporter: Michael Semb Wever
> Assignee: Karl Wettin
> Attachments: LUCENE-1380.patch, LUCENE-1380.patch
>
>
> Make it possible for *all* words and shingles to be placed at the same
> position.
> Default is to place each shingle at the same position as the unigram (or
> first shingle if outputUnigrams=false). That is, each coterminal token has
> positionIncrement=1 and every other token a positionIncrement=0.
> This leads to a MultiPhraseQuery where at least one word/shingle must be
> matched from each word/token. This is not always desired.
> See http://comments.gmane.org/gmane.comp.jakarta.lucene.user/34746 for
> mailing list thread.
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