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From "Israel Ekpo (JIRA)" <j...@apache.org>
Subject [jira] Created: (SOLR-1913) QParserPlugin plugin for Search Results Filtering Based on Bitwise Operations on Integer Fields
Date Fri, 14 May 2010 02:01:42 GMT
QParserPlugin plugin for Search Results Filtering Based on Bitwise Operations on Integer Fields
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                 Key: SOLR-1913
                 URL: https://issues.apache.org/jira/browse/SOLR-1913
             Project: Solr
          Issue Type: New Feature
          Components: search
            Reporter: Israel Ekpo
             Fix For: 1.5, 1.6, 3.1, 4.0, 1.4



BitwiseQueryParserPlugin is a org.apache.solr.search.QParserPlugin that allows 
users to filter the documents returned from a query
by performing bitwise operations between a particular integer field in the index
and the specified value.

This Solr plugin is based on the BitwiseFilter in LUCENE-2460

See https://issues.apache.org/jira/browse/LUCENE-2460 for more details

This is the syntax for searching in Solr:

http://localhost:8983/path/to/solr/select/?q={!bitwise field=fieldname op=OPERATION_NAME source=sourcevalue
negate=boolean}remainder of query

Example :

http://localhost:8983/solr/bitwise/select/?q={!bitwise field=user_permissions op=AND source=3
negate=true}state:FL

The negate parameter is optional

The field parameter is the name of the integer field
The op parameter is the name of the operation; one of {AND, OR, XOR}
The source parameter is the specified integer value
The negate parameter is a boolean indicating whether or not to negate the results of the bitwise
operation

To test out this plugin, simply copy the jar file containing the plugin classes into your
$SOLR_HOME/lib directory and then
add the following to your solrconfig.xml file after the dismax request handler:

<queryParser name="bitwise" class="org.apache.solr.bitwise.BitwiseQueryParserPlugin" basedOn="dismax"
/>

Restart your servlet container.

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