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https://issues.apache.org/jira/browse/SOLR-10292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929822#comment-15929822
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Joel Bernstein edited comment on SOLR-10292 at 3/17/17 11:50 AM:
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Here is a potential pipeline:
{code}
cartesian(cartesian(expr, sentences()),
keyPhrases())
{code}
The inner cartesian emits tuples with sentences and the outer cartesian emits
tuples with keyPhrases.
was (Author: joel.bernstein):
Here is a potential pipeline:
{code}
cartesian(cartesian(expr, sentences()),
keyPhrases())
{code}
The inner cartesian emits tuples with sentences and the outer cartesian emits
tuples with keyPhrases.
> Add cartesian Streaming Expression to build cartesian products from
> multi-value 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
>
> 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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