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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/05/15 06:18:00 UTC
[jira] [Assigned] (SPARK-35408) Improve parameter validation in
DataFrame.show
[ https://issues.apache.org/jira/browse/SPARK-35408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-35408:
------------------------------------
Assignee: Apache Spark
> Improve parameter validation in DataFrame.show
> ----------------------------------------------
>
> Key: SPARK-35408
> URL: https://issues.apache.org/jira/browse/SPARK-35408
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 3.1.1
> Reporter: Gera Shegalov
> Assignee: Apache Spark
> Priority: Major
>
> Being more used to Scala API the user may be tempted to call
> {code:python}
> df.show(False)
> {code}
> in PySparkl and she will receive an error message that does not easily map to the user code
> {noformat}
> py4j.Py4JException: Method showString([class java.lang.Boolean, class java.lang.Integer, class java.lang.Boolean]) does not exist
> at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:318)
> at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:326)
> at py4j.Gateway.invoke(Gateway.java:274)
> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
> at py4j.commands.CallCommand.execute(CallCommand.java:79)
> at py4j.GatewayConnection.run(GatewayConnection.java:238)
> at java.lang.Thread.run(Thread.java:748
> {noformat}
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