[ARROW-1045] [JAVA] Add support for custom metadata in org.apache.arrow.vector.types.pojo.*

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Fix Version/s: 0.4.0
• Component/s: Java
• External issue URL: https://github.com/apache/arrow/issues/15414
• Assignee: Unassigned
• Reporter: Jacques Nadeau
• Created: 17/May/17 15:54
• Updated: 11/Jan/23 07:12
• Resolved: 18/May/17 20:48

Description

Custom metadata for Arrow Schema and Arrow Fields is lost if a user translates to/from the Java implementations pojo helper objects. Conversion to/from the Flatbuf schema should be lossless.

Issue Links

• relates to: ARROW-482 [Java] Provide API access to "custom_metadata" Field attribute in IPC setting
• relates to: ARROW-1015 [Java] Implement schema-level metadata