[ARROW-1908] [Python] Construction of arrow table from pandas DataFrame with duplicate column names crashes

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.1
• Fix Version/s: 0.8.0
• Component/s: Python
• Labels: pandas pull-request-available python
• External issue URL: https://github.com/apache/arrow/issues/17899
• Assignee: Phillip Cloud
• Reporter: Phillip Cloud
• Created: 09/Dec/17 15:58
• Updated: 11/Jan/23 07:17
• Resolved: 10/Dec/17 04:39

Description

jorisvandenbossche's example here: https://github.com/pandas-dev/pandas/pull/18201#issuecomment-350259248 shows that a pyarrow.Table with duplicate column names can be constructed.

Issue Links

• links to: GitHub Pull Request #1405