I have problem finding solution for specific usage scenario where I want to
autocomplete facet for field that has array of values.
Documents in my index are some objects that can be owned by 0..n people, so
I have field 'owner' containing zero to few strings of following format:
first_name [second_name] last_name (user_id). Since there are lots of
objects and many owners, I don't like idea of loading all owners onto
webpage and make some client-side filtering, so I wanted to use
autocomplete feature. Since I have owners in such format, even prefix
search doesn't work for me since user can type last name of owner which is
some n-th word in string. Second thing is that I need autocomplete to
respond with whole field values that will properly match facet filter. So I
would like to get 'John Doe (p000001)' for all queries like 'John', 'Doe',
I was thinking of some approaches, but all have some drawbacks:
- Completion suggester - everything fine except I won't be able to search
by last_name or user_id.
- Phrase suggester with shingles - as far as I know it will allow me to
have google-kind autocomplete, but it will only give me parts of field
value beginning with provided text (so if for 'John Doe (p000001)' I would
query 'Doe', I expect to get 'Doe' and 'Doe (p000001)' which is not what I
- Regex query - here I can make a successful query, but ES will respond
with whole documents (which is firstly too heavy) and those documents will
contain whole arrays of owners and I would be forced to filter them in
code to get only those owners that are matching the query. Finally it would
work, but way too much overhead.
Please help in any way (even if you would that there is no way it is better
than no response).
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