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Posted to dev@lucene.apache.org by "Dennis Gove (JIRA)" <ji...@apache.org> on 2017/05/20 01:11:05 UTC
[jira] [Closed] (SOLR-10292) Add cartesian Streaming Expression to
build cartesian products from multi-value fields and text fields
[ https://issues.apache.org/jira/browse/SOLR-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dennis Gove closed SOLR-10292.
------------------------------
Resolution: Fixed
Fix Version/s: 6.6
> Add cartesian Streaming Expression to build cartesian products from multi-value fields and text fields
> ------------------------------------------------------------------------------------------------------
>
> Key: SOLR-10292
> URL: https://issues.apache.org/jira/browse/SOLR-10292
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Fix For: 6.6
>
> Attachments: SOLR-10292.patch, SOLR-10292.patch, SOLR-10292.patch, SOLR-10292.patch, SOLR-10292.patch
>
>
> Currently all the Streaming Expression such as rollups, intersections, fetch etc, work on single value fields. The *cartesian* expression would create a stream of tuples from a single tuple with a multi-value field. This would allow multi-valued fields to be operated on by the wider library of Streaming Expression.
> For example a single tuple with a multi-valued field:
> id: 1
> author: [Jim, Jack, Steve]
> Would be transformed in the following three tuples:
> id:1
> author:Jim
> id:1
> author:Jack
> id:1
> author:Steve
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