[jira] [Commented] (SOLR-11501) Depending on the parser, QParser should not parse local-params

["David Smiley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-11501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16251974#comment-16251974 ] 

David Smiley commented on SOLR-11501:
-------------------------------------

I'll update the patch later this week with a luceneMatchVersion check.  I think this issue is important and want to get into our next release in some form.

> Depending on the parser, QParser should not parse local-params
> --------------------------------------------------------------
>
>                 Key: SOLR-11501
>                 URL: https://issues.apache.org/jira/browse/SOLR-11501
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: query parsers
>            Reporter: David Smiley
>            Assignee: David Smiley
>         Attachments: SOLR_11501_limit_local_params_parsing.patch
>
>
> Solr should not parse local-params (and thus be able to switch the query parser) in certain circumstances.  _Perhaps_ it is when the QParser.getParser is passed "lucene" for the {{defaultParser}}?  This particular approach is just a straw-man; I suspect certain valid embedded queries could no longer work if this is done incorrectly.  Whatever the solution, I don't think we should assume 'q' is special, as it's valid and useful to build up queries containing user input in other ways, e.g. {{q= +field:value +\{!dismax v=$qq\}&qq=user input}}      and we want to protect the user input there similarly from unwelcome query parsing switching.



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