[ARROW-7010] [C++] Support lossy casts from decimal128 to float32 and float64/double

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/23324
• Assignee: Antoine Pitrou
• Reporter: Wes McKinney
• Created: 28/Oct/19 20:08
• Updated: 11/Jan/23 07:50
• Resolved: 03/Jul/20 12:58

Description

I do not believe such casts are implemented. This can be helpful for people analyzing data where the precision of decimal128 is not needed

Issue Links

• is a child of: ARROW-8894 [C++] C++ array kernels framework and execution buildout (umbrella issue)
• is related to: ARROW-7011 [C++] Implement casts from float/double to decimal128
• is related to: ARROW-5905 [Python] support conversion to decimal type from floats?
• links to: GitHub Pull Request #7618