[ARROW-1790] [Format] Define logical data type that represents a "packed C struct" composed from other fixed-size primitive types

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Format
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17787
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 09/Nov/17 23:57
• Updated: 11/Jan/23 07:16

Description

This would embed data like

struct Point {
  double x;
  double y;
  double z;
};

Here the struct could be embedded in a FixedSizeBinary with width 24. This is similar to structured data types in NumPy and other libraries

Issue Links

• links to: GitHub Pull Request #3785