[Koha-bugs] [Bug 33353] Add compatibility with Elasticsearch 8

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33353

--- Comment #2 from Julian Maurice <julian.maurice at biblibre.com> ---
Created attachment 148850
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=148850&action=edit
Bug 33353: Add compatibility with Search::Elasticsearch 8.0

For some reasons, with Search::Elasticsearch 8.0 JSON::true is
interpreted as 1 and Elasticsearch will always respond that it found "at
least 1 record". Something like this:

{
    total => {
        value => 1,
        relation => 'gte'
    }
}

Replacing JSON::true by \1 works with every version of
Search::Elasticsearch I tested (6.80, 7.717, 8.0)

Also worth noting:
Search::Elasticsearch will stop being supported by Elastic
https://github.com/elastic/elasticsearch-perl/issues/220

We might need to find an alternative for future versions of
Elasticsearch

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