Github user pjfanning commented on a diff in the pull request:
https://github.com/apache/spark/pull/16854#discussion_r100674503
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala ---
@@ -361,6 +362,41 @@ class DataFrameReader private[sql](sparkSession:
SparkSession) extends Logging {
}
/**
+ * Loads an `Dataset[String]` storing CSV rows and returns the result as
a `DataFrame`.
+ *
+ * Unless the schema is specified using `schema` function, this function
goes through the
+ * input once to determine the input schema.
+ *
+ * @param csvDataset input Dataset with one CSV row per record
+ * @since 2.2.0
+ */
+ def csv(csvDataset: Dataset[String]): DataFrame = {
--- End diff --
@HyukjinKwon I added a new pull request because my original branch was
deleted. https://github.com/apache/spark/pull/16895
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