Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/13342#discussion_r66545305
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/test/DataFrameReaderWriterSuite.scala
---
@@ -572,4 +572,25 @@ class DataFrameReaderWriterSuite extends StreamTest
with BeforeAndAfter {
cq.awaitTermination(2000L)
}
+
+ test("foreach") {
+ import testImplicits._
+
+ val ds = spark.read
+ .format("org.apache.spark.sql.streaming.test")
+ .stream()
+ .as[Int]
+
+ val cq = ds.write
+ .format("console")
+ .option("checkpointLocation", newMetadataDir)
+ .trigger(ProcessingTime(2.seconds))
+ .foreach(new ForeachWriter[Int] {
+ override def open(partitionId: Long, version: Long): Boolean = true
+ override def process(value: Int): Unit = {}
+ override def close(errorOrNull: Throwable): Unit = {}
+ })
+
+ cq.awaitTermination(2000L)
--- End diff --
I'm going to remove this one as it should be covered in ForeachSinkSuite
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