[ARROW-6676] [C++] [Parquet] Refactor encoding/decoding APIs for clarity

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/23024
• Assignee: Unassigned
• Reporter: Ben Kietzman
• Created: 24/Sep/19 17:24
• Updated: 11/Jan/23 07:48

Description

encoding.h and encoding.cc are difficult to read and rewrite. I think there's also lost opportunities for more generic implementations. Simplify/winnow the interfaces while keeping an eye on the benchmarks for performance regressions