Thank you Simon. On Tue, Nov 29, 2016 at 11:25 AM, simon <mtnes...@gmail.com> wrote:
> You might want to take a look at > https://issues.apache.org/jira/browse/SOLR-4722 > ( 'highlighter which generates a list of query term positions'). We used it > a while back and doesn't appear to have been used in any Solr > 4.10) > > -Simon > > On Tue, Nov 29, 2016 at 11:43 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... > > >
