Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1921#discussion_r60570764
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/table.scala
---
@@ -280,8 +293,14 @@ class Table(
* }}}
*/
def groupBy(fields: String): GroupedTable = {
- val fieldsExpr = ExpressionParser.parseExpressionList(fields)
- groupBy(fieldsExpr: _*)
+ // group by on stream tables is currently not supported
+ tableEnv match {
--- End diff --
This check can be skip. It will be catched by the other `groupBy`.
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