[Koha] Elasticsearch recent works at BibLibre

Mike D. black23 at gmail.com
Sat Feb 1 09:44:15 NZDT 2020


Hello Claire,
thanks to all from Biblibre. All patches're now Signed Off.

Awesome work.

Michal

pá 31. 1. 2020 v 17:26 odesílatel Claire Hernandez <
claire.hernandez at biblibre.com> napsal:

>
> Hi,
>
> This week, some devs work together to move forward concretely on
> Elasticsearch issues encountered. You will find below a focus on some
> points (some are at poc state today) written by Alex and Jajm from
> BibLibre. We would be glad to discuss these topics at hackfest in march
> and having user feedbacks too :)
>
> #1 Proof of concept for language analyzers
>
> bug 21357 -
> https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21357#c32
> It's an attempt at having a default ES configuration with stemming,
> elision, etc. that works with multi-languages catalogs
> You can read the comments and patch for more information.
>
> #2 Compatibilites for tomorrow
>
> Compatibility with latest version of Search::Elasticsearch -
> https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24552
>
> Compatibility with Elasticsearch 7.x : Problem: Search::Elasticsearch is
> not yet compatible with ES 7.x, so we are stuck with
>   ES 6.x (unless we use something else...)
>
> #3 Querying Elasticsearch in a better way
>
> POC query_string => boolean query
> https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24555
> This POC is about replacing the use of full text queries (query_string)
> with Boolean queries for biblio search
>
> Advantage:
>      => No search craches with special character ( "!", ")" etc...)
>      => Separate query context and filter context:
>           - Search scores are not altered by facets,
>          - Ability to use range filter  (i.e for publication date facet)
>
> Regards,
> Claire.
>
>
>
>
>
>
>
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