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https://issues.apache.org/jira/browse/SOLR-7957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley reassigned SOLR-7957:
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Assignee: Yonik Seeley
> Allow multiple queries per request and simplify ResultContext /
> TransformContext
> --------------------------------------------------------------------------------
>
> Key: SOLR-7957
> URL: https://issues.apache.org/jira/browse/SOLR-7957
> Project: Solr
> Issue Type: Bug
> Components: rch, search
> Reporter: Yonik Seeley
> Assignee: Yonik Seeley
> Fix For: Trunk
>
> Attachments: SOLR-7957.patch
>
>
> Today we have a ResultContext which simply has two public variables query and
> docList. For writing a response, those fields are used to create a
> DocsStreamer which creates a TransformContext for transformers (which just
> copies the values like searcher, req, q, etc again).
> It seems the all the methods on TransformContext could be simply moved to
> ResultContext.
> Only exception is "iterator" needed by ScoreAugmenter, but we could simply
> pass down the score in the transform() method as well.
> This would result in a ResultContext that could do things like support
> multiple queries with different return fields, and things like returning a
> list of docs from another core (think cross-core join).
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