[jira] [Created] (SPARK-3581) RDD API(distinct/subtract) does not work for RDD of Dictionaries

["Shawn Guo (JIRA)" <ji...@apache.org>]

Shawn Guo created SPARK-3581:
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             Summary: RDD API(distinct/subtract) does not work for RDD of Dictionaries
                 Key: SPARK-3581
                 URL: https://issues.apache.org/jira/browse/SPARK-3581
             Project: Spark
          Issue Type: Bug
          Components: PySpark
    Affects Versions: 1.1.0
         Environment: Spark 1.0 1.1
JDK 1.6

            Reporter: Shawn Guo
            Priority: Minor


Construct a RDD of dictionaries(dictRDD), 
try to use the RDD API, RDD.distinct() or RDD.subtract().

dictRDD = sc.parallelize(({'MOVIE_ID': 1, 'MOVIE_NAME': 'Lord of the Rings','MOVIE_DIRECTOR': 'Peter Jackson'},{'MOVIE_ID': 2, 'MOVIE_NAME': 'King King', 'MOVIE_DIRECTOR': 'Peter Jackson'},{'MOVIE_ID': 2, 'MOVIE_NAME': 'King King', 'MOVIE_DIRECTOR': 'Peter Jackson'}))

dictRDD.distinct().collect()
dictRDD.subtract(dictRDD).collect()

An error occurred while calling, 
TypeError: unhashable type: 'dict'

I'm not sure if it is a bug or expected results.






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