Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/3026#discussion_r97310709
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
---
@@ -928,5 +1032,151 @@ class GroupWindowedTable(
val fieldExprs = ExpressionParser.parseExpressionList(fields)
select(fieldExprs: _*)
}
+}
+
+/**
+ * A table that has been grouped on several sets of grouping keys.
+ */
+class GroupingSetsTable(
+ private[flink] val table: Table,
+ private[flink] val groups: Seq[Seq[Expression]],
+ private[flink] val sqlKind: SqlKind) {
--- End diff --
I think we don't need this parameter if the translation is done in `cube()`
and `rollup()` already.
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