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From "Alex Parvulescu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JCR-3478) Partial search terms matching fails when there is a lot of matching content outside the query's scope
Date Fri, 07 Dec 2012 09:45:21 GMT

     [ https://issues.apache.org/jira/browse/JCR-3478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Parvulescu resolved JCR-3478.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 2.6

fixed with rev 1418236.
                
> Partial search terms matching fails when there is a lot of matching content outside the
query's scope
> -----------------------------------------------------------------------------------------------------
>
>                 Key: JCR-3478
>                 URL: https://issues.apache.org/jira/browse/JCR-3478
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core
>            Reporter: Alex Parvulescu
>            Assignee: Alex Parvulescu
>             Fix For: 2.6
>
>
> This continues the work from JCR-3428.
> It appears that if we are dealing with a full-text search 'ipsu*', the WildcardQueryRewrite
will generate a list of matching tokens to use as the query condition based on all of the
matching tokens found in the index, not just the ones that fall into the query's scope.
> This list will next be used in the Excerpt generation, with a 'must all match' condition,
which will make the excerpts not work.
> For example if we have the following content:
> /
>   /testNode1 with the property 'text'='lorem ipsum'
>   /testNode2 with the property 'foo'='ipsuFoo'
>   /testNode3 with the property 'bar'='ipsuBar'
> and the query testNode1//*[jcr:contains(., 'ipsu*')]/rep:excerpt(.)
> What will happen is the WildcardQueryRewrite will extract 3 terms for the highlighter:
ipsum, ipsuFoo and ipsuBar, wich will be passed as a single list of terms, basically a 'must
all match' condition.
> What I want to do is break this list into a list of 3 sets each containing a single term,
turning it into a 'match any' type of condition. 
> The interesting part here is that in order to preserve the existing functionality for
the japanese language as well (where a work can be comprised of more tokens that are passed
around via a PhraseQuery) I'm going to explicitly check and transform PhraseQuery tokens into
a 'must all match' list of tokens.

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