[jira] Commented: (SOLR-1913) QParserPlugin plugin for Search Results Filtering Based on Bitwise Operations on Integer Fields

["Yonik Seeley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12867512#action_12867512 ] 

Yonik Seeley commented on SOLR-1913:
------------------------------------

Hi Israel, interesting stuff!

There's always many different ways to approach... but I had previously planned to add these functions (and,or,not,xor) to the function query suit.  We'd also need something to filter results (since function queries normally return a value for every document).

So maybe something like
{code}
fq={!func}filter(and(field1,xor(0xdeadbeef,field3)))

or

fq={!funcfilter}and(field1,xor(0xdeadbeef,field3))
{code}

> QParserPlugin plugin for Search Results Filtering Based on Bitwise Operations on Integer Fields
> -----------------------------------------------------------------------------------------------
>
>                 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: 1.4, 1.5, 1.6, 3.1, 4.0
>
>         Attachments: bitwise_filter_plugin.jar, SOLR-1913.bitwise.tar.gz
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> 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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