David Smiley created SOLR-11501:
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             Summary: Depending on the parser, QParserPlugin 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


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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