[Koha-bugs] [Bug 19604] Elasticsearch Fixes for build_authorities_query for auth searching

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19604

Nick Clemens <nick at bywatersolutions.com> changed:

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--- Comment #3 from Nick Clemens <nick at bywatersolutions.com> ---
Created attachment 69198
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=69198&action=edit
Bug 19604: Elasticsearch Fixes for build_authorities_query for auth searching

To test:
1 - Do some authority searches in Zebra
2 - Switch to ES and repeat, results will vary and some may fail
3 - Apply patch and dependencies
4 - Reindex ES
5 - Repeat searches, they should suceed and results should be similar to
Zebra
6 - Slight differences are okay, but results should (mostly) meet
expectations

A few notes:
We add a 'normalizer' to ensure we get a single token from the heading
indexes, this makes 'starts with' work as expcted
We switch to 'AND' for fields searched from cataloging editor - this
matches Zebra results
We force the '__sort' fields for sorting - if sorting looks wrong try
reducing the heading field to a single subfield - this will need to be
addressed on a future bug (multiple subfields create an array, ES sorts
        those randomly)

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