[ARROW-10926] [Rust] Add parquet reader / writer for decimal types

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Fix Version/s: 5.0.0
• Component/s: Rust
• External issue URL: https://github.com/apache/arrow/issues/26854
• Assignee: Unassigned
• Reporter: Florian Müller
• Created: 15/Dec/20 17:27
• Updated: 11/Jan/23 08:16
• Resolved: 26/Apr/21 13:00

Description

Decimal values, stored physically as e.g. Fixed Size Binary should be represented by DecimalArray when the logical type indicates decimal.

Sub-Tasks

• [Rust] [Parquet] Add Decimal to ArrayBuilderReader for physical type fixed size binary: Resolved
• [Rust] [Parquet] Support int32 and int64 physical types: Resolved
• [Rust] [Parquet] Add Arrow decimal array writer: Resolved