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[SPARK-10073] [SQL] Python withColumn should replace the old column #8300

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[SPARK-10073] [SQL] Python withColumn should replace the old column #8300

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9eb857b
withColumn should replace the old column
Aug 19, 2015
68ff0a9
Update dataframe.py
Aug 19, 2015
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Update dataframe.py
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Davies Liu committed Aug 19, 2015
commit 68ff0a9391de22dff5bc54eb5d07a3b4b8b7c5c7
1 change: 0 additions & 1 deletion python/pyspark/sql/dataframe.py
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Expand Up @@ -1226,7 +1226,6 @@ def withColumnRenamed(self, existing, new):
>>> df.withColumnRenamed('age', 'age2').collect()
[Row(age2=2, name=u'Alice'), Row(age2=5, name=u'Bob')]
"""
assert existing in self.columns, "%s is not an existing column" % existing
return DataFrame(self._jdf.withColumnRenamed(existing, new), self.sql_ctx)

@since(1.4)
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