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

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-2699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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