Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1098#discussion_r39175887
--- Diff:
flink-staging/flink-streaming/flink-streaming-scala/src/main/scala/org/apache/flink/streaming/api/scala/DataStream.scala
---
@@ -727,13 +727,118 @@ class DataStream[T](javaStream: JavaStream[T]) {
* every element of the DataStream the result of .toString
* is written.
*
+ * @param writeMode
+ * Control the behavior for existing files. Options are
+ * NO_OVERWRITE and OVERWRITE.
+ *
+ */
+ def writeAsText(
+ path: String,
+ writeMode: FileSystem.WriteMode): DataStreamSink[T] = {
+ if (writeMode != null) {
+ javaStream.writeAsText(path, writeMode)
+ } else {
+ javaStream.writeAsText(path)
+ }
+ }
+
+ /**
+ * Writes a DataStream to the file specified by path in text format. The
+ * writing is performed periodically, in every millis milliseconds. For
+ * every element of the DataStream the result of .toString
+ * is written.
+ *
+ * @param writeMode
+ * Control the behavior for existing files. Options are
+ * NO_OVERWRITE and OVERWRITE.
+ *
+ */
+ def writeAsText(
+ path: String,
+ writeMode: FileSystem.WriteMode,
+ millis: Long): DataStreamSink[T] = {
+ if (writeMode != null) {
+ javaStream.writeAsText(path, writeMode, millis)
+ } else {
+ javaStream.writeAsText(path, millis)
+ }
+ }
+
+ /**
+ * Writes a DataStream to the file specified by path in text format. The
--- End diff --
`writeToCsv` does not write `in text format` and does also not use the
`.toString` method.
Please fix the documentation.
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