[jira] [Commented] (SPARK-40265) Fix the inconsistent behavior for Index.intersection.

["Haejoon Lee (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-40265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17597439#comment-17597439 ] 

Haejoon Lee commented on SPARK-40265:
-------------------------------------

I'm working on it

> Fix the inconsistent behavior for Index.intersection.
> -----------------------------------------------------
>
>                 Key: SPARK-40265
>                 URL: https://issues.apache.org/jira/browse/SPARK-40265
>             Project: Spark
>          Issue Type: Test
>          Components: Pandas API on Spark
>    Affects Versions: 3.4.0
>            Reporter: Haejoon Lee
>            Priority: Major
>
> There is inconsistent behavior on Index.intersection for pandas API on Spark as below:
> {code:python}
> >>> pidx
> Int64Index([1, 2, 3, 4], dtype='int64', name='Koalas')
> >>> psidx
> Int64Index([1, 2, 3, 4], dtype='int64', name='Koalas')
> >>> psidx.intersection(other).sort_values()
> MultiIndex([], )
> >>> pidx.intersection(other).sort_values()
> Traceback (most recent call last):
> ...
> ValueError: Names should be list-like for a MultiIndex
> {code}
> We should fix it to follow pandas.



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