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https://issues.apache.org/jira/browse/LUCENE-4109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419311#comment-13419311
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Karsten R. commented on LUCENE-4109:
------------------------------------

Robert, I forgot to run all tests :-(
The patch must also include MultiFieldQueryNodeProcessor ({{new 
OrQueryNode(children)}} instead of {{new BooleanQueryNode(children)}}) and 
PrecedenceQueryNodeProcessorPipeline 
({{BooleanQuery2ModifierNodeProcessor.class}} instead of 
{{GroupQueryNodeProcessor.class}}). I will fix this on monday.
btw. I hope {{((b:one +b:more) t:two)}} is equal to {{((b:one +b:more) 
(+t:two))}}
                
> BooleanQueries are not parsed correctly with the flexible query parser
> ----------------------------------------------------------------------
>
>                 Key: LUCENE-4109
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4109
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: modules/queryparser
>    Affects Versions: 3.5, 3.6
>            Reporter: Daniel Truemper
>            Assignee: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-4109.patch, LUCENE-4109.patch, test-patch.txt
>
>
> Hi,
> I just found another bug in the flexible query parser (together with Robert 
> Muir, yay!).
> The following query string works in the standard query parser:
> {noformat}
> (field:[1 TO *] AND field:[* TO 2]) AND field2:z
> {noformat}
> yields
> {noformat}
> +(+field:[1 TO *] +field:[* TO 2]) +field2:z
> {noformat}
> The flexible query parser though yields:
> {noformat}
> +(field:[1 TO *] field:[* TO 2]) +field2:z
> {noformat}
> Test patch is attached (from Robert actually).
> I don't know if it affects earlier versions than 3.5.

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