[ARROW-2699] [C++/Python] Add Table method that replaces a column with a new supplied column

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.10.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/19090
• Assignee: Uwe Korn
• Reporter: Wes McKinney
• Created: 12/Jun/18 04:13
• Updated: 11/Jan/23 07:22
• Resolved: 21/Jun/18 11:33

Description

This method would produce a new table since table objects are immutable. Example:

new_column = table.column(name).cast(pa.timestamp('ms'))
new_table = table.set_column(name, new_column)

See discussion in https://github.com/apache/arrow/pull/2129#issuecomment-396423002

Issue Links

• links to: GitHub Pull Request #2140