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From "Hyukjin Kwon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-23706) spark.conf.get(value, default=None) should produce None in PySpark
Date Fri, 16 Mar 2018 04:04:00 GMT
Hyukjin Kwon created SPARK-23706:
------------------------------------

             Summary: spark.conf.get(value, default=None) should produce None in PySpark
                 Key: SPARK-23706
                 URL: https://issues.apache.org/jira/browse/SPARK-23706
             Project: Spark
          Issue Type: Sub-task
          Components: PySpark
    Affects Versions: 2.3.0
            Reporter: Hyukjin Kwon


Scala:

{code}
scala> spark.conf.get("hey")
java.util.NoSuchElementException: hey
  at org.apache.spark.sql.internal.SQLConf$$anonfun$getConfString$2.apply(SQLConf.scala:1600)
  at org.apache.spark.sql.internal.SQLConf$$anonfun$getConfString$2.apply(SQLConf.scala:1600)
  at scala.Option.getOrElse(Option.scala:121)
  at org.apache.spark.sql.internal.SQLConf.getConfString(SQLConf.scala:1600)
  at org.apache.spark.sql.RuntimeConfig.get(RuntimeConfig.scala:74)
  ... 49 elided

scala> spark.conf.get("hey", null)
res1: String = null

scala> spark.conf.get("spark.sql.sources.partitionOverwriteMode", null)
res2: String = null
{code}

Python:

{code}
>>> spark.conf.get("hey")
...
py4j.protocol.Py4JJavaError: An error occurred while calling o30.get.
: java.util.NoSuchElementException: hey
...

>>> spark.conf.get("hey", None)
...
py4j.protocol.Py4JJavaError: An error occurred while calling o30.get.
: java.util.NoSuchElementException: hey
...

>>> spark.conf.get("spark.sql.sources.partitionOverwriteMode", None)
u'STATIC'
{code}



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