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Posted to issues@spark.apache.org by "Xinrong Meng (Jira)" <ji...@apache.org> on 2021/07/23 17:29:00 UTC

[jira] [Created] (SPARK-36274) Fix equality comparison of unordered Categoricals

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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