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https://issues.apache.org/jira/browse/SPARK-48373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ian Cook closed SPARK-48373.
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> Allow schema parameter of createDataFrame() to be length-1 list or tuple of
> StructType
> --------------------------------------------------------------------------------------
>
> Key: SPARK-48373
> URL: https://issues.apache.org/jira/browse/SPARK-48373
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 3.5.1
> Reporter: Ian Cook
> Priority: Major
> Labels: pull-request-available
>
> Currently in PySpark (both Classic and Connect), if a user passes a length-1
> list or tuple of {{StructType}} as the {{schema}} argument to
> {{{}createDataFrame{}}}, PySpark raises an unhelpful error message.
> Unfortunately it is easy for this to happen. For example if a user leaves a
> trailing comma at the end of the line that defines the {{{}StructType{}}}.
> Add some simple code to {{createDataFrame}} to handle this case more
> gracefully
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