[ORC-1125] [C++] Support decoding decimals in RLE

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.0
• Fix Version/s: 1.8.0
• Component/s: C++
• Assignee: Quanlong Huang
• Reporter: Quanlong Huang
• Created: 06/Mar/22 23:58
• Updated: 03/Sep/22 22:43
• Resolved: 29/Mar/22 01:00

Description

ORC-49 adds the ORCv2 encoding for decimal that uses fixed scale and encoding numbers using RLEv2. We need to port the decoding functionality to the C++ client.

There is already a PR containing this change: https://github.com/apache/orc/pull/147/files#diff-544e42790d5393cac939e3a114b5a03fd6485336e8fd11681fc19af8da7b6f59

Issue Links

• links to: GitHub Pull Request #1062