[Koha-bugs] [Bug 23875] Elasticsearch - ES - When sorting by score we should provide a tiebreaker

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23875

--- Comment #9 from Ere Maijala <ere.maijala at helsinki.fi> ---
(In reply to Katrin Fischer from comment #8)
> Maybe we should have an unchangeable index for biblionumber then? The
> sorting could quickly become an issue. People tend to search very 'broadly'
> and then the tie breaker would come in quickly. At least that's what we see
> with Zebra quite often with searches for single words and similar.

Using non-numeric sort doesn't really matter for tie-breaker unless you care
for the order. I'd actually like us to have a hard-coded biblionumber index
field. One could also argue that biblionumber should only be the last resort,
and publication date should be the primary. We'll probably end up making it
configurable. ;)

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