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https://issues.apache.org/jira/browse/SOLR-10442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikolay Martynov reopened SOLR-10442:
-------------------------------------

Sorry for misinformation, this is still happening on 6.6.1

> xtendedDismaxQParser (edismax) makes pf* require search term exactly
> --------------------------------------------------------------------
>
>                 Key: SOLR-10442
>                 URL: https://issues.apache.org/jira/browse/SOLR-10442
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: query parsers
>    Affects Versions: 6.5
>            Reporter: Nikolay Martynov
>            Priority: Major
>
> Request like:
> {code}
>     "params":{
>       "q": "cat AND dog",
>       "q.op": "AND",
>       "defType":"edismax",
>       "qf":"description",
>       "pf2":"description"
> }
> {code}
> produces query like this:
> {code}
> "parsedquery_toString":"+(+(description.en:cat) +(description.en:dog)) 
> (+(description.en:\"cat dog\"))"
> {code}
> Solr 4.6.1 produces different parsing of this query:
> {code}
> "parsedquery_toString": "+(+(description.en:cat) +(description.en:dog)) 
> (description.en:\"cat dog\")",
> {code}
> Replacing {{q.op=AND}} with {{q.op=OR}} in newer Solr produces same query as 
> old Solr despite the fact that it would seem that this change should not make 
> a difference.
> This issue is probably related to SOLR-8812 - looks like it is just one more 
> case of same problem. It also would mean that change occurred in version 
> range specified there - unfortunately I would not be able to test that.
> This looks like a change in behaviour is not quite expected: now introducing 
> pf2 searches for documents that must have 'cat dog' phrase instead of just 
> boosting such documents.
> Please let me know if more information is required.



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