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https://issues.apache.org/jira/browse/SOLR-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18132081#comment-18132081
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Nick Shanin commented on SOLR-3008:
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>From code reading against apache/main b73f03976fa, explicit quoted phrases are
>not shingled into `pf`
>(solr/core/src/java/org/apache/solr/search/ExtendedDismaxQParser.java:306-313).
> A candidate is to keep that and document it in the edismax `pf` section,
>rather than change scoring. Is that the behaviour you want?
🤖 AI-generated 🤖
> edismax pf clause makes no sense when query already has quoted subphrase
> ------------------------------------------------------------------------
>
> Key: SOLR-3008
> URL: https://issues.apache.org/jira/browse/SOLR-3008
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Reporter: Chris M. Hostetter
> Priority: Major
>
> As noted by ldavid2020 on the solr-user mailing list (Tue, 20 Dec 2011) the
> behavior of edismax when the pf param is used and the query string contains
> quotes arround part of the query makes no sense at all...
> {quote}
> For the same query: 2012 "japan airlines" flight status
> dismax...
> [http://localhost:8983/solr/select?q=2012+"japan+airlines"+flight+status&qf=TTL&pf=TTL&debugQuery=true&defType=dismax]
> outputs:
> {noformat}
> +((DisjunctionMaxQuery((TTL:2012)~0.1)
> DisjunctionMaxQuery((TTL:"japan airlin"~3)~0.1)
> DisjunctionMaxQuery((TTL:flight)~0.1)
> DisjunctionMaxQuery((TTL:status)~0.1)
> )~3)
> DisjunctionMaxQuery((TTL:"2012 japan airlin flight status"~3)~0.1)
> {noformat}
> The parsedquery has DisjunctionMaxQuery((TTL:"2012 japan airlin flight
> status"~3)~0.1).
> While edismax...
> [http://localhost:8983/solr/select?q=2012+"japan+airlines"+flight+status&qf=TTL&pf=TTL&debugQuery=true&defType=edismax]
> outputs:
> {noformat}
> +((DisjunctionMaxQuery((TTL:2012)~0.1)
> DisjunctionMaxQuery((TTL:"japan airlin"~3)~0.1)
> DisjunctionMaxQuery((TTL:flight)~0.1)
> DisjunctionMaxQuery((TTL:status)~0.1)
> )~3)
> DisjunctionMaxQuery((TTL:"2012 flight status"~3)~0.1)
> {noformat}
> The parsedquery has DisjunctionMaxQuery((TTL:"2012 flight status"~3)~0.1).
> ...
> So it seems edismax ignores "japan airlines" for the pf matching. This could
> cause some issues, in that a document with exactly phrase "2012 japan
> airlines flight status" will have the same relevancy score with another one
> with two phrases "japan airlines", "2012 flight status" far away.
> {quote}
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