case class hireDate(hire_date:String) case class emp_record(emp_details:details,incrementDate:String,commission:String,country:String,hireDate:hireDate,reports_to:reporting) You can see that the case classes nest different data types within one another. Convert flattened DataFrame to a nested struct...
case class hireDate(hire_date:String) case class emp_record(emp_details:details,incrementDate:String,commission:String,country:String,hireDate:hireDate,reports_to:reporting) You can see that the case classes nest different data types within one another. Convert flattened DataFrame to a nested struct...
Add the JSON string as a collection type and pass it as an input tospark.createDataset. This converts it to a DataFrame. The JSON reader infers the schema automatically from the JSON string. This sample code uses a list collection type, which is represented asjson :: Nil. You can also ...
ValueError: Cannot combine the series or dataframe because it comes from a different dataframe. In order to allow this operation, enable 'compute.ops_on_diff_frames' option. # Those are needed for managing options >>> from databricks.koalas.config import set_option, reset_option >>> set_opti...