Xinrong Meng created SPARK-36274:
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Summary: Fix equality comparison of unordered Categoricals
Key: SPARK-36274
URL: https://issues.apache.org/jira/browse/SPARK-36274
Project: Spark
Issue Type: Sub-task
Components: PySpark
Affects Versions: 3.2.0
Reporter: Xinrong Meng
We cannot rely on codes when compare equality of unordered Categoricals.
An example looks like
{code:java}
>>> (ps.Series(pd.Categorical(list('abca'))) ==
>>> ps.Series(pd.Categorical(list('bcaa'),
>>> categories=list('bca')))).sort_index()
0 True
1 True
2 True
3 False
dtype: bool
{code}
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