[jira] [Commented] (SOLR-10321) Unified highlighter returns empty fields when using glob

[Christoph Hack (JIRA)]

    [ 
https://issues.apache.org/jira/browse/SOLR-10321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16082299#comment-16082299
 ] 

Christoph Hack commented on SOLR-10321:
---------------------------------------

I think not sending empty entries at all (even if there is a field in the 
document) might be a good option, since transferring and decoding the keys can 
take a considerable amount of time. It's always possible to look at the 
retrieved document to see if the field is available or not. Unfortunately, 
changing the default might break some clients that are currently depending on 
this behavior and I am not sure if it's worth breaking them (and forcing them 
to fix a potential performance problem). The other option would be to introduce 
yet another highlighting option.

> Unified highlighter returns empty fields when using glob
> --------------------------------------------------------
>
>                 Key: SOLR-10321
>                 URL: https://issues.apache.org/jira/browse/SOLR-10321
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: highlighter
>    Affects Versions: 6.4.2
>            Reporter: Markus Jelsma
>            Priority: Minor
>             Fix For: 7.0
>
>
> {code}
> q=lama&hl.method=unified&hl.fl=content_*
> {code}
> returns:
> {code}
>   <lst 
> name="http://www.nu.nl/weekend/3771311/dalai-lama-inspireert-westen.html";>
>     <arr name="content_en"/>
>     <arr name="content_nl">
>       <str>Nobelprijs Voorafgaand aan zijn bezoek aan Nederland is de dalai 
> &lt;em&gt;lama&lt;/em&gt; in Noorwegen om te vieren dat 25 jaar geleden de 
> Nobelprijs voor de Vrede aan hem werd toegekend. Anders dan in Nederland 
> wordt de dalai &lt;em&gt;lama&lt;/em&gt; niet ontvangen in het Noorse 
> parlement. </str>
>     </arr>
>     <arr name="content_general"/>
>     <arr name="content_de"/>
>     <arr name="content_fr"/>
>     <arr name="content_es"/>
>     <arr name="content_pt"/>
>     <arr name="content_ja"/>
>     <arr name="content_zh-cn"/>
>     <arr name="content_th"/>
>     <arr name="content_ar"/>
>   </lst>
> {code}
> FastVector and original do not emit: 
> {code}
>     <arr name="content_de"/>
>     <arr name="content_fr"/>
>     <arr name="content_es"/>
>     <arr name="content_pt"/>
>     <arr name="content_ja"/>
>     <arr name="content_zh-cn"/>
>     <arr name="content_th"/>
>     <arr name="content_ar"/>
> {code}



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