Jonathan Arfa created SPARK-6902:
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Summary: Row() object can be mutated even though it should be
immutable
Key: SPARK-6902
URL: https://issues.apache.org/jira/browse/SPARK-6902
Project: Spark
Issue Type: Bug
Components: PySpark, SQL
Affects Versions: 1.2.0
Reporter: Jonathan Arfa
See the below code snippet, IMHO it shouldn't let you assign {{x.c = 5}} and
should just give you an error.
{quote}
Welcome to
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/__ / .__/\_,_/_/ /_/\_\ version 1.2.0-SNAPSHOT
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Using Python version 2.6.6 (r266:84292, Jan 22 2014 09:42:36)
SparkContext available as sc.
>>> from pyspark.sql import *
>>> x = Row(a=1, b=2, c=3)
>>> x
Row(a=1, b=2, c=3)
>>> x.__dict__
{'__FIELDS__': ['a', 'b', 'c']}
>>> x.c
3
>>> x.c = 5
>>> x
Row(a=1, b=2, c=3)
>>> x.__dict__
{'__FIELDS__': ['a', 'b', 'c'], 'c': 5}
>>> x.c
5
{quote}
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