[ARROW-1709] [C++] Decimal.ToString is incorrect for negative scale

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.1
• Fix Version/s: 0.8.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17716
• Assignee: Phillip Cloud
• Reporter: Phillip Cloud
• Created: 22/Oct/17 22:09
• Updated: 11/Jan/23 07:16
• Resolved: 09/Nov/17 01:51

Description

Decimal128::ToString(int precision, int scale) doesn't handle scale < 0 correctly. It should tack on an extra e<abs(scale)> to the end.

Issue Links

• links to: GitHub Pull Request #1292