For #3 specifically, I've always found this page useful:

https://cwiki.apache.org/confluence/display/solr/Field+Properties+by+Use+Case

It lists out what properties are necessary on each field based on a use
case.

Kevin Risden

On Tue, Nov 29, 2016 at 11:49 AM, Erick Erickson <erickerick...@gmail.com>
wrote:

> (1) No that I have readily at hand. And to make it
> worse, there's the UnifiedHighlighter coming out soon....
>
> I don't think there's a good way for (2).
>
> for (3) at least yes. The reason is simple. For analyzed text,
> the only thing in the index is what's made it through the
> analysis chains. So stopwords are missing. Stemming
> has been done. You could even have put a phonetic filter
> in there and have terms like ARDT KNTR which would
> be...er...not very useful to show the end user so the original
> text must be available.
>
>
>
>
> Not much help...
> Erick
>
> On Tue, Nov 29, 2016 at 8:43 AM, John Bickerstaff
> <j...@johnbickerstaff.com> wrote:
> > All,
> >
> > One of the questions I've been asked to answer / prove out is around the
> > question of highlighting query matches in responses.
> >
> > BTW - One assumption I'm making is that highlighting is basically a
> > function of storing offsets for terms / tokens at index time.  If that's
> > not right, I'd be grateful for pointers in the right direction.
> >
> > My underlying need is to get highlighting on search term matches for
> > returned documents.  I need to choose between doing this in Solr and
> using
> > an external document store, so I'm interested in whether Solr can provide
> > the doc store with the information necessary to identify which section(s)
> > of the doc to highlight in a query response...
> >
> > A few questions:
> >
> > 1. This page doesn't say a lot about how things work - is there somewhere
> > with more information on dealing with offsets and highlighting? On
> offsets
> > and how they're handled?
> > https://cwiki.apache.org/confluence/display/solr/Highlighting
> >
> > 2. Can I return offset information with a query response or is that
> > internal only?  If yes, can I return offset info if I have NOT stored the
> > data in Solr but indexed only?
> >
> > (Explanation: Currently my project is considering indexing only and
> storing
> > the entire text elsewhere -- using Solr to return only doc ID's for
> > searches.  If Solr could also return offsets, these could be used in
> > processing the text stored elsewhere to provide highlighting)
> >
> > 3. Do I assume correctly that in order for Solr highlighting to work
> > correctly, the text MUST also be stored in Solr (I.E. not indexed only,
> but
> > stored=true)
> >
> > Many thanks...
>

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