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https://issues.apache.org/jira/browse/SOLR-2731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15539412#comment-15539412
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Alexandre Rafalovitch commented on SOLR-2731:
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For exporting significant amount of data, we now have
[/export|https://cwiki.apache.org/confluence/display/solr/Exporting+Result+Sets]
handler. Specifically, for importing into another instance, there is [DIH with
SolrInputProcessor|https://wiki.apache.org/solr/DataImportHandler#SolrEntityProcessor].
Would either of those have fulfilled the need?
The output of this writer - as proposed - would not even be able to go back
into the Solr, that would require updating a different component and
additional, completely new discussion.
> CSVResponseWriter should optionally return numfound
> ---------------------------------------------------
>
> Key: SOLR-2731
> URL: https://issues.apache.org/jira/browse/SOLR-2731
> Project: Solr
> Issue Type: Improvement
> Components: Response Writers
> Affects Versions: 3.1, 3.3, 4.0-ALPHA
> Reporter: Jon Hoffman
> Labels: patch
> Fix For: 3.1.1, 4.9, 6.0
>
> Attachments: SOLR-2731-R1.patch, SOLR-2731.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> an optional parameter "csv.numfound=true" can be added to the request which
> causes the first line of the response to be the numfound. This would have no
> impact on existing behavior, and those who are interested in that value can
> simply read off the first line before sending to their usual csv parser.
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