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https://issues.apache.org/jira/browse/SOLR-9786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley resolved SOLR-9786.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 6.4
                   master (7.0)

> Defer creation of clauses in parser, optionally delegate groups to 
> FieldType.getSetQuery
> ----------------------------------------------------------------------------------------
>
>                 Key: SOLR-9786
>                 URL: https://issues.apache.org/jira/browse/SOLR-9786
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>             Fix For: master (7.0), 6.4
>
>         Attachments: SOLR-9786.patch, SOLR-9786.patch
>
>
> Solr's query parser currently creates a query for each clause it sees 
> independently.  This is no longer desirable, since if we are creating a 
> filter (non-scoring query), we can use a TermsQuery.
> PointFields SOLR-8396 also need to see a set of values together to 
> efficiently create a set query.
> This issue:
>  - adds context for the parser to know when it's parsing a query for matching 
> only  (that's only for the TermsQuery... I assume Points would always use a 
> set query when passed multiple values)
> - defers creation of real Query objects for simple term queries in a boolean 
> query
> - aggregates those values by field at the end to be passed to a new 
> FieldType.getSetQuery method
> - FieldType.getSetQuery base implementation uses TermsQuery for indexed 
> fields 



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