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https://issues.apache.org/jira/browse/ARROW-2699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe L. Korn updated ARROW-2699:
-------------------------------
Summary: [C++/Python] Add Table method that replaces a column with a new
supplied column (was: [Python] Add pyarrow.Table method that replaces a column
with a new supplied column)
> [C++/Python] Add Table method that replaces a column with a new supplied
> column
> -------------------------------------------------------------------------------
>
> Key: ARROW-2699
> URL: https://issues.apache.org/jira/browse/ARROW-2699
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
> Reporter: Wes McKinney
> Assignee: Uwe L. Korn
> Priority: Major
> Fix For: 0.10.0
>
>
> This method would produce a new table since table objects are immutable.
> Example:
> {code}
> new_column = table.column(name).cast(pa.timestamp('ms'))
> new_table = table.set_column(name, new_column)
> {code}
> See discussion in
> https://github.com/apache/arrow/pull/2129#issuecomment-396423002
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