[ARROW-15203] [Ruby] Add ability to read results of min_max compute function

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: GLib, Ruby
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30704
• Assignee: Kouhei Sutou
• Reporter: Kanstantsin Ilchanka
• Created: 27/Dec/21 20:39
• Updated: 11/Jan/23 08:45
• Resolved: 30/Dec/21 21:23

Description

Cannot read value from Arrow::StructScalar object

f = Arrow::Function.find('min_max')
f.execute([table['revenue'].data]).value
#<Arrow::StructScalar:x11fcc8df8 ptr=x7ffd0ea762b0 {min:double = 0, max:double = 257.515735}> 
f.execute([table['revenue'].data]).value.value 
# []

Issue Links

• links to: GitHub Pull Request #12041