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From Adrien Grand <jpou...@gmail.com>
Subject Re: position-anchored queries
Date Thu, 21 Mar 2019 13:10:00 GMT
We don't track of the maximum position per doc. One way to do
ends-with queries would be to write a token filter that emits a
special token at the end of the wrapped token stream and use it as the
last token of a phrase query.

On Thu, Mar 21, 2019 at 1:29 PM Michael Sokolov <msokolov@gmail.com> wrote:
>
> Hi, if I want to write a begins-with, ends-with, or exact-match style
> query; like a phrase query, but anchored to the beginning of a field, the
> end, or both, is there a generally-accepted best way? I can see how to
> maybe create a positional query that specifies the exact position for each
> term (at least in theory -- I'm not sure if there is a Query that does
> this?) but do we keep track of max(position, field, doc) so I can know that
> there are not any subsequent terms in the field?
>
> -Mike



-- 
Adrien

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