[ARROW-21] C++: Add in-memory schema metadata container

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.1.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/15357
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 02/Mar/16 18:55
• Updated: 11/Jan/23 07:06
• Resolved: 03/Mar/16 23:35

Description

The schema will consist of an array of fields / table columns (name + data type). The scope is limited to what will suffice for converting other schema metadata representations (especially Parquet) to Arrow schemas.