[Koha-bugs] [Bug 19893] Alternative optimized indexing for Elasticsearch

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19893

--- Comment #139 from Ere Maijala <ere.maijala at helsinki.fi> ---
Answers as far as I can tell:

(In reply to Jonathan Druart from comment #138)
> Quick (naive?) questions:
> - Why do you loop on MARC fields instead of the mappings?

Going through MARC fields is slower than going through rules and when the
number of rules increases, the difference is even more pronounced.

> - What are "joined fields", do we really to index everything?

There are examples in the comments, but the simple case is 245 where you'd want
to index subfields a, b, n and p as a complete string to enable proper sorting,
ranking, proximity.

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