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From "Steven Parkes (JIRA)" <>
Subject [jira] Commented: (LUCENE-792) PrecedenceQueryParser misinterprets queries starting with NOT
Date Fri, 02 Mar 2007 20:58:50 GMT


Steven Parkes commented on LUCENE-792:

Yeah, this was noted by Erik in the svn logs.

Unfortunately, it looks like PQP has been basically dormant (read: undergoing bitrot) since
then so not only is NOT precedence not handled, but a lot of other changes that have been
made to QP aren't in PQP. 

> PrecedenceQueryParser misinterprets queries starting with NOT
> -------------------------------------------------------------
>                 Key: LUCENE-792
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: QueryParser
>    Affects Versions: 2.0.0
>            Reporter: Eric Jain
> "NOT foo AND baz" is parsed as "-(+foo +baz)" instead of "-foo +bar".
> (I'm setting parser.setDefaultOperator(PrecedenceQueryParser.AND_OPERATOR) but the issue
applies otherwise too.)

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