Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/11444#discussion_r54667527
--- Diff: python/pyspark/sql/context.py ---
@@ -63,7 +63,33 @@ def toDF(self, schema=None, sampleRatio=None):
"""
return sqlContext.createDataFrame(self, schema, sampleRatio)
+ def schema(self, datatype):
--- End diff --
The difference is: this `schema` method support parsing schema string, and
guarantee no type inference. It also supports RDD of custom objects, and use a
flat schema here, and it will wrap the custom object into a row automatically.
Is it worth to add this new method?
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