[GitHub] spark pull request #17719: [SPARK-20431][SQL] Specify a schema by using a DD...

[gatorsmile <gi...@git.apache.org>]

Github user gatorsmile commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17719#discussion_r115793754
  
    --- Diff: python/pyspark/sql/readwriter.py ---
    @@ -96,14 +96,17 @@ def schema(self, schema):
             By specifying the schema here, the underlying data source can skip the schema
             inference step, and thus speed up data loading.
     
    -        :param schema: a :class:`pyspark.sql.types.StructType` object
    +        :param schema: a :class:`pyspark.sql.types.StructType` object or a DDL-formatted string
    --- End diff --
    
    Could you give an example here to users?


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