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From mateiz <...@git.apache.org>
Subject [GitHub] spark pull request: PySpark API for SparkSQL
Date Fri, 11 Apr 2014 22:17:05 GMT
Github user mateiz commented on a diff in the pull request:

    https://github.com/apache/spark/pull/363#discussion_r11554360
  
    --- Diff: python/pyspark/rdd.py ---
    @@ -1387,6 +1387,95 @@ def _jrdd(self):
         def _is_pipelinable(self):
             return not (self.is_cached or self.is_checkpointed)
     
    +class Row(dict):
    +    """
    +    An extended L{dict} that takes a L{dict} in its constructor, and exposes those items
as fields.
    +
    +    >>> r = Row({"hello" : "world", "foo" : "bar"})
    +    >>> r.hello
    +    'world'
    +    >>> r.foo
    +    'bar'
    +    """
    +
    +    def __init__(self, d):
    +        d.update(self.__dict__)
    +        self.__dict__ = d
    +        dict.__init__(self, d)
    +
    +class SchemaRDD(RDD):
    +    """
    +    An RDD of Row objects that has an associated schema. The underlying JVM object is
a SchemaRDD,
    --- End diff --
    
    You can do `L{Row}` to link to the Row type.


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