Github user yanghua commented on a diff in the pull request:
https://github.com/apache/flink/pull/6236#discussion_r199859899
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/java/BatchTableEnvironment.scala
---
@@ -77,15 +90,38 @@ class BatchTableEnvironment(
* @return The converted [[Table]].
*/
def fromDataSet[T](dataSet: DataSet[T], fields: String): Table = {
+
+ fromDataSet(dataSet, fields, false)
+ }
+
+ /**
+ * Converts the given [[DataSet]] into a [[Table]] with specified field
names. And could
+ * also replace the existing table if it is already registered.
+ *
+ * Example:
+ *
+ * {{{
+ * DataSet<Tuple2<String, Long>> set = ...
+ * Table tab = tableEnv.fromDataSet(set, "a, b", true)
+ * }}}
+ *
+ * @param dataSet The [[DataSet]] to be converted.
+ * @param fields The field names of the resulting [[Table]].
+ * @tparam T The type of the [[DataSet]].
+ * @param replace Whether to replace the registered table
--- End diff --
end with point.
---
