[Koha-bugs] [Bug 18316] Add weighting/relevancy options to ElasticSearch

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Tue Sep 25 12:08:24 CEST 2018


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18316

--- Comment #102 from Julian Maurice <julian.maurice at biblibre.com> ---
Comment on attachment 78397
  --> https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=78397
Bug 18316: Add weighting/relevancy options to ES query on simple search

Review of attachment 78397:
 --> (https://bugs.koha-community.org/bugzilla3/page.cgi?id=splinter.html&bug=18316&attachment=78397)
-----------------------------------------------------------------

::: Koha/SearchEngine/Elasticsearch/QueryBuilder.pm
@@ +92,5 @@
>              default_operator => 'AND',
>              default_field    => '_all',
>              lenient          => JSON::true,
> +            fields           => $options{fields},
> +            use_dis_max      => JSON::true,

From
https://www.elastic.co/guide/en/elasticsearch/reference/6.0/breaking_60_search_changes.html

> The use_dis_max parameter for the query_string query has been removed. If
> provided, it will be ignored and issue a deprecation warning. The tie_breaker
> parameter must be used instead.

In elasticsearch 5, use_dis_max is true by default. So maybe it's not a good
idea to specify it.

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