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From Tomoko Uchida <tomoko.uchida.1...@gmail.com>
Subject Re: Question about the light and minimal French stemmers
Date Sat, 27 Jul 2019 11:29:34 GMT
Hi Adrien,

To me, it sounds simply a bug. Can you please open a JIRA (with a
patch if possible)?

Tomoko

2019年7月23日(火) 22:05 Adrien Gallou <adriengallou@gmail.com>:
>
> Hi,
>
> I'm using both light and minimal French stemmers and encountered an issue
> when using the minimal stemmer.
>
> The light stemmer removes the last character of a word if the last two
> characters are identical.
> We can see that here:
> https://github.com/apache/lucene-solr/blob/master/lucene/analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchLightStemmer.java#L263
> In this light stemmer, there is a check to avoid altering the token if the
> token is a number.
>
> The minimal stemmer also removes the last character of a word if the last
> two characters are identical.
> We can see that here:
> https://github.com/apache/lucene-solr/blob/master/lucene/analysis/common/src/java/org/apache/lucene/analysis/fr/FrenchMinimalStemmer.java#L77
>
> But in this minimal stemmer there is no check to see if the character is a
> letter or not.
> So when we have numeric tokens with the last two characters identical they
> are altered.
>
> Is there a reason for this?
> Should I file an issue on Jira to add this check?
>
> Thanks,
>
> Adrien Gallou

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