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https://issues.apache.org/jira/browse/SOLR-9271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363781#comment-15363781
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David Smiley commented on SOLR-9271:
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I agree this would be useful; not sure if it should do this by default as some
people may not care... but then such clients could trivially remove an ellipsis
at the very start or end if they didn't care.
FWIW with the Postings highlighter, this can be done by extending
DefaultPassageFormatter with one that adds these ellipsis conditionally to the
front & back when they should be there. To plug it into Solr, you'd extend
PostingsSolrHighlighter. Or if DefaultPassageFormatter simply worked this way
to begin with (patching at the Lucene level) then this would be even simpler of
course.
The other highlighter impls are different, unfortunately.
Loosely related to this is SOLR-1954 pertaining to enhancing the highlighting
response structure to expose offsets. That would enable a client to add the
ellipsis since it'd know if the fragment started at offset 0 or not. Although
knowing to insert a trailing ellipsis would require knowing the doc length.
Hmmm.
> Make fragment ellipsis definable
> --------------------------------
>
> Key: SOLR-9271
> URL: https://issues.apache.org/jira/browse/SOLR-9271
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: highlighter
> Affects Versions: 5.4.1
> Reporter: Christoph Uhland
> Priority: Minor
>
> The client has to deal if the highlight fragment is only an excerpt or the
> whole content of a field.
> It would be a good feature if the highlight component could already process
> this information, and enrich the highlight fragment with configured ellipsis.
> See stackoverflow:
> http://stackoverflow.com/questions/3400271/display-ellipsis-before-and-after-fragment-in-solr
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