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https://issues.apache.org/jira/browse/SOLR-4258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Bleakley updated SOLR-4258:
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Attachment: SOLR-4258.patch
> Edismax query behavior change between 3.5 and 3.6-4.x when undefined field in
> QF param
> --------------------------------------------------------------------------------------
>
> Key: SOLR-4258
> URL: https://issues.apache.org/jira/browse/SOLR-4258
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 3.6, 4.0
> Reporter: Chris Bleakley
> Priority: Minor
> Attachments: SOLR-4258.patch
>
>
> If the following query conditons are met:
> (1) include an operator in your query string ( "AND", "OR", "NOT" )
> (2) include a field in your QF parameter that's not defined your schema
> the query behavior for the edismax handler has changed from 3.5 to 3.6 (and
> continues into 4.x). The behavior can be recreated using following parameters
> on the stock example index:
> q=bar AND grill
> deftype=edismax
> qf=title INVALID
> debugQuery=true
> lowercaseOperators=false
> http://localhost:8983/solr/select?q=bar%20AND%20grill&defType=edismax&qf=title%20INVALID&debugQuery=true&lowercaseOperators=false
> Testing between 3.5 and 3.6 show the following differences between the parsed
> query:
> in 3.5 : +(+(title:bar) +(title:grill))
> in 3.6.0 : +(((title:bar) (title:and) (title:grill))~3)
> In 3.6 the operator has been lowercased and included in the query, even
> though lowercaseOperators is "false"
> I couldn't find any docs that explain how a query should behave with an
> invalid QF param or that the behavior had changed. I took a stab at a patch
> to make 4.x behave as < 3.6, but again, I'm not exactly sure what the
> behavior should be. The patch removes operators from the query string if
> "lowercaseOperators" is false and the query parsing falls past the initial
> parsing attempt. Thanks!
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