[ARROW-8423] [Rust] [Parquet] Serialize arrow schema into metadata when writing parquet

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 3.0.0
• Component/s: Rust
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17129
• Assignee: Neville Dipale
• Reporter: Andy Grove
• Created: 13/Apr/20 14:38
• Updated: 11/Jan/23 08:00
• Resolved: 18/Aug/20 16:40

Description

The C++ implementation uses  "ARROW:schema" as a value to store the arrow schema as metadata. Implement same for compatibility.

Having the original Arrow schema is useful for readers as it preserves some properties like dictionary encoding.

Issue Links

• links to: GitHub Pull Request #7917