[PARQUET-2345] The Parquet Spec doesn't specify whether multiple columns are allowed to have the same name.

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.13.1
• Component/s: parquet-format
• Assignee: Unassigned
• Reporter: Jan Finis
• Created: 08/Sep/23 13:59
• Updated: 23/Jun/24 03:33

Description

The parquet format specification doesn't say whether a Parquet file having columns with the same name (in the same group node, so really exactly the same name) is valid. I.e., say I have a Parquet file with two columns. Both are called x. Is this file a valid Parquet file?