[jira] [Updated] (ARROW-3479) [R] Support to write record_batch as stream

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-3479:
----------------------------------
    Labels: pull-request-available  (was: )

> [R] Support to write record_batch as stream
> -------------------------------------------
>
>                 Key: ARROW-3479
>                 URL: https://issues.apache.org/jira/browse/ARROW-3479
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Javier Luraschi
>            Priority: Major
>              Labels: pull-request-available
>
> Currently, one can only export a record batch to a file:
> {code:java}
> record <- arrow::record_batch(data.frame(a = c(1,2,3)))
> record$to_file()
> {code}
> But to improve performance in Spark's R bindings through sparklyr an improvement is to support streams returning R raw's as follows:
> {code:java}
> record <- arrow::record_batch(data.frame(a = c(1,2,3)))
> record$to_stream(){code}



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