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From Tom Mortimer <...@flax.co.uk>
Subject Re: Matching a single instance of a multivalued field
Date Fri, 08 Jun 2018 14:55:05 GMT
Ah, that's an interesting idea - thanks Adrien!

On Fri, Jun 8, 2018 at 3:54 PM Adrien Grand <jpountz@gmail.com> wrote:

> Hi Tom,
>
> One way to solve this could be to use block joins by indexing each value in
> its own document and joining the parent document using
> ToParentBlockJoinQuery.
>
> Le ven. 8 juin 2018 à 16:46, Tom Mortimer <tom@flax.co.uk> a écrit :
>
> > Hi!
> >
> > I have a requirement to be able to restrict search results to a single
> > instance of a multivalued field. e.g. with the doc:
> >
> >     text: [ "striped skunk", "spotted hyena" ]
> >
> > the queries (skunk AND striped), (spotted AND hyena) should return the
> > document, but (striped AND hyena), (skunk AND spotted) should not.
> >
> > Can anyone give me any suggestions how to do this? I was thinking that
> > setting a massive position increment gap between multiple values and then
> > using a SpanNearQuery with a large (but smaller than the gap) slop might
> do
> > the job, but the field values could be quite long (I don't know if
> there's
> > a limit). Is there a neater way?
> >
> > cheers,
> > Tom
> >
>

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