[ARROW-5964] [C++][Gandiva] Cast double to decimal with rounding returns 0

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22373
• Assignee: Pindikura Ravindra
• Reporter: Pindikura Ravindra
• Created: 17/Jul/19 07:37
• Updated: 11/Jan/23 07:43
• Resolved: 17/Jul/19 21:26

Description

casting 1.15470053838 to decimal(18,0) gives 0. should return 1.

there is a bug in the overflow check after rounding.

Issue Links

• links to: GitHub Pull Request #4894