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https://issues.apache.org/jira/browse/SOLR-10442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16406405#comment-16406405
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Nikolay Martynov commented on SOLR-10442:
-----------------------------------------
Looks like we cannot reproduce it any longer. closing.
> 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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