[ARROW-11665] [Python] Document precision and scale parameters of decimal128()

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: Documentation, Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/27528
• Assignee: Antoine Pitrou
• Reporter: ARF
• Created: 17/Feb/21 13:07
• Updated: 11/Jan/23 08:21
• Resolved: 24/Feb/21 19:12

Description

In pyarrow, the decimal128() factory takes two parameters, precision and scale.

It is unclear to me, what these parameters are and how to use them. Unfortunately, the wikipedia entry for Decimal128 does not help either.

Issue Links

• links to: GitHub Pull Request #9560