[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 #87 from Ere Maijala <ere.maijala at helsinki.fi> ---
Concatenation with space is pretty important to make phrase and proximity
searches, sorting, ranking etc. work properly. It's not the same to have a
field with ['first', 'second', 'third'] as ['first second third'] since by
default in the first case the terms are considered to be a 100 items apart from
each other. See e.g.
https://www.elastic.co/guide/en/elasticsearch/reference/current/position-increment-gap.html
for more information.

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