[GitHub] sunjincheng121 commented on a change in pull request #7235: [FLINK-10976] [table] Add support for aggregate to table API

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sunjincheng121 commented on a change in pull request #7235: [FLINK-10976] [table] Add support for aggregate to table API
URL: https://github.com/apache/flink/pull/7235#discussion_r244672263
 
 

 ##########
 File path: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
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 @@ -1226,3 +1301,81 @@ class WindowGroupedTable(
     select(withResolvedAggFunctionCall: _*)
   }
 }
+
+class AggregatedTable(
+    private[flink] val table: Table,
+    private[flink] val groupKeys: Seq[Expression],
+    private[flink] val aggregateFunction: Expression) {
+
+  /**
+    * Performs a selection operation after an aggregate operation. The field expressions
+    * cannot contain table functions and aggregations.
+    *
+    * Example:
+    *
+    * {{{
+    *   val aggFunc: AggregateFunction[_, _] = new MyAggregateFunction
 
 Review comment:
   Remove `AggregateFunction[_, _]`.

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