[ARROW-301] [Format] Add some form of user field metadata to IPC schemas

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.1.0
• Component/s: Format
• External issue URL: https://github.com/apache/arrow/issues/15707
• Assignee: Julien Le Dem
• Reporter: Wes McKinney
• Created: 21/Sep/16 20:30
• Updated: 11/Jan/23 07:07
• Resolved: 03/Oct/16 22:18

Description

Users may wish to use user-defined types that can be represented as some Arrow primitive type. We should design a mechanism (similar to the key-value metadata in Parquet) to make this possible.

Issue Links

• blocks: ARROW-272 Arrow release 0.1
• links to: PR