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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-9786) Defer creation of clauses in parser, optionally delegate groups to FieldType.getSetQuery
Date Tue, 22 Nov 2016 18:54:59 GMT

    [ https://issues.apache.org/jira/browse/SOLR-9786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687554#comment-15687554
] 

Yonik Seeley commented on SOLR-9786:
------------------------------------

I maded the isFilter + flags stuff on the QParser to be experimental so we still have flexibility
to change it later.

> 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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