[Koha-bugs] [Bug 23875] Elasticsearch - 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

Katrin Fischer <katrin.fischer at bsz-bw.de> changed:

           What    |Removed                     |Added
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             Status|Signed Off                  |Failed QA

--- Comment #15 from Katrin Fischer <katrin.fischer at bsz-bw.de> ---
(In reply to Martin Renvoize from comment #12)
> Are you intending on continuing here with the requested followup Nick?
> 
> I think the suggestion was to have a fixed biblionumber index which is
> numeric and use that for the tie-breaker by default.. as aposed to using the
> existing 'local-number' index which can be re-mapped?

I really believe we should do that and have a numerical sort on the
biblionumber as a tiebreaker. 

I hear your argument about remapping local-number, but I believe that this is a
concern that needs more work and thinking overall if we want to officially
support it. At the moment, doing that, would probably break your Zebra pretty
badly and now allow to switch back and forth easily anymore.

Having a numerical sort on biblionumber on the tiebreaker would also mimick
Zebra a bit allowing to compare relevance sort results more easily.

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