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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