Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/8779#discussion_r39936067
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala ---
@@ -477,6 +477,20 @@ class SQLContext(@transient val sparkContext:
SparkContext)
}
/**
+ * :: DeveloperApi ::
+ * Creates a [[DataFrame]] from an [[java.util.List]] containing
[[Row]]s using the given schema.
+ * It is important to make sure that the structure of every [[Row]] of
the provided List matches
+ * the provided schema. Otherwise, there will be runtime exception.
+ *
+ * @group dataframes
+ * @since 1.6.0
+ */
+ @DeveloperApi
+ def createDataFrame(rows: java.util.List[Row], schema: StructType):
DataFrame = {
+ createDataFrame(sparkContext.parallelize(rows.asScala), schema)
--- End diff --
Should create a local DataFrame using `LocalRelation`. See
https://github.com/holdenk/spark/blob/SPARK-10630-create-DataFrame-from-Java-List/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala#L385.
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