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Posted to issues@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2019/11/08 19:24:00 UTC
[jira] [Resolved] (ARROW-6340) [R] Implements low-level bindings to
Dataset classes
[ https://issues.apache.org/jira/browse/ARROW-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neal Richardson resolved ARROW-6340.
------------------------------------
Resolution: Fixed
Issue resolved by pull request 5454
[https://github.com/apache/arrow/pull/5454]
> [R] Implements low-level bindings to Dataset classes
> ----------------------------------------------------
>
> Key: ARROW-6340
> URL: https://issues.apache.org/jira/browse/ARROW-6340
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++ - Dataset, R
> Reporter: Francois Saint-Jacques
> Assignee: Neal Richardson
> Priority: Major
> Labels: dataset, pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 6h
> Remaining Estimate: 0h
>
> The following classes should be accessible from R:
> * class DataSource
> * class DataSourceDiscovery
> * class Dataset
> * class ScanContext, ScanOptions, ScanTask
> * class ScannerBuilder
> * class Scanner
> The end result is reading a directory of parquet files as a single stream. One should be able to re-implement [https://github.com/apache/arrow/pull/5720] in R.
> See also [https://github.com/apache/arrow/pull/5675/files] for another end-to-end example in C++.
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