In 1.4, you can use "struct" function to create a struct, e.g. you can
explicitly select out the "version" column, and then create a new struct
named "settings".
The current semantics of select basically follows closely relational
database's SQL, which is well understood and defined. I wouldn't a
Take a look:
>>> df = sqlContext.jsonRDD(sc.parallelize(['{"settings": {"os": "OS X",
>>> "version": "10.10"}}']))>>> df.printSchema()
root
|-- settings: struct (nullable = true)
||-- os: string (nullable = true)
||-- version: string (nullable = true)
>>> # Now I want to "drop" the ver
