[ARROW-1814] [C++] Determine whether we need to implement BYTE_ARRAY-backed Decimal reads

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 0.7.1
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/17810
• Assignee: Phillip Cloud
• Reporter: Phillip Cloud
• Created: 15/Nov/17 16:37
• Updated: 11/Jan/23 07:17
• Resolved: 15/Nov/17 16:37

Description

These are valid in the parquet spec, but it seems like no system in use today implements a writer for this type.

We should determine whether this is YAGNI, or if it's actually in use anywhere.