[ARROW-13233] [C++] Support ORC in Arrow Dataset

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.0.1
• Component/s: C++
• Labels: dataset orc
• External issue URL: https://github.com/apache/arrow/issues/18729
• Assignee: Unassigned
• Reporter: Ian Alexander Joiner
• Created: 01/Jul/21 05:32
• Updated: 11/Jan/23 08:31

Description

Arrow Datasets currently support Parquet but not ORC. ORC support needs to be added.

Issue Links

• is related to: ARROW-13572 [C++][Python] Add basic ORC support to the pyarrow.datasets API

Sub-Tasks

• [C++] Add async version of the ORC Dataset scanner: Open
• [C++] Add write support for ORC in the Datasets API: Open
• [C++][Dataset] Support Count function without projections in ORC to avoid loading all columns: Open
• [C++][Dataset] Add support for filter pushdown in the ORC Scanner: Open