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https://issues.apache.org/jira/browse/SOLR-4197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13534373#comment-13534373
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Yonik Seeley edited comment on SOLR-4197 at 12/17/12 10:19 PM:
---------------------------------------------------------------
Options for forcing edismax and prohibiting changing the query type or adding
other parameters via localParams (as opposed to just defaulting):
{code}
1) prepend a space to the user query
2) prepend {!edismax} to the user query
3) use a different parameter: q={!edismax v=$qq}&qq=user_query
{code}
If you do any of these and get a syntax error back, then it's an edismax
escaping bug that we need to handle.
was (Author: ysee...@gmail.com):
Options for forcing edismax and prohibiting changing the query type or
adding other parameters via localParams (as opposed to just defaulting):
1) prepend a space to the user query
2) prepend {!edismax} to the user query
3) use a different parameter: q={!edismax v=$qq}&qq=user_query
If you do any of these and get a syntax error back, then it's an edismax
escaping bug that we need to handle.
> EDismax allows end users to use local params in q= to override global params
> ----------------------------------------------------------------------------
>
> Key: SOLR-4197
> URL: https://issues.apache.org/jira/browse/SOLR-4197
> Project: Solr
> Issue Type: Bug
> Affects Versions: 3.5, 3.6, 4.0
> Reporter: Peter Wolanin
>
> Edismax is advertised as suitable to be used to "process advanced user input
> directly". Thus, it would seem reasonable to have an application directly
> pass user input in the q= parameter to a back-end Solr server.
> However, it seems that users can enter local params at the start of q= which
> override the global params that the application (e.g. website) may have set
> on the query string. Confirmed with Erik Hatcher that this is somewhat
> unexpected behavior (though one could argue it's an expected feature of any
> query parser)
> Proposed fix - add a parameter (e.g. that can be used as an invariant) that
> can be passed to inhibit Solr from using local params from the q= parameter.
> This is somewhat related to SOLR-1687
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