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From "Robert Muir (JIRA)" <>
Subject [jira] [Commented] (LUCENE-7960) NGram filters -- preserve the original token when it is outside the min/max size range
Date Wed, 16 May 2018 04:40:00 GMT


Robert Muir commented on LUCENE-7960:

*) Even though I'm watching this issue, I'm not getting mails from Jira. Is this intentional
for non-commiters?

As far as I know, JIRA doesn't consider any roles. This is what the configuration says:

|Issue Commented| * All Watchers
 * Current Assignee
 * Reporter
 * Single Email Address (dev at|

I added you to Contributors group so you can assign issues: maybe it helps. But it could be
something SMTP-related or some other problem. Did you get any notifications when Shawn mentioned
you on this issue?

> NGram filters -- preserve the original token when it is outside the min/max size range
> --------------------------------------------------------------------------------------
>                 Key: LUCENE-7960
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/analysis
>            Reporter: Shawn Heisey
>            Priority: Major
>         Attachments: LUCENE-7960.patch, LUCENE-7960.patch, LUCENE-7960.patch
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
> When ngram or edgengram filters are used, any terms that are shorter than the minGramSize
are completely removed from the token stream.
> This is probably 100% what was intended, but I've seen it cause a lot of problems for
users.  I am not suggesting that the default behavior be changed.  That would be far too disruptive
to the existing user base.
> I do think there should be a new boolean option, with a name like keepShortTerms, that
defaults to false, to allow the short terms to be preserved.

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