RocMarshal commented on a change in pull request #16316:
URL: https://github.com/apache/flink/pull/16316#discussion_r678006631
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File path: docs/content.zh/docs/dev/table/tableApi.md
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@@ -2589,25 +2589,25 @@ Table result = orders
{{< /tab >}}
{{< tab "Scala" >}}
-Similar to a **GroupBy Aggregation**. Groups the rows on the grouping keys
with the following running table aggregation operator to aggregate rows
group-wise. The difference from an AggregateFunction is that
TableAggregateFunction may return 0 or more records for a group. You have to
close the "flatAggregate" with a select statement. And the select statement
does not support aggregate functions.
+和 **GroupBy Aggregation** 类似。使用运行中的表之后的聚合运算符对分组键上的行进行分组，以按组聚合行。和
AggregateFunction 的不同之处在于，TableAggregateFunction 的每个分组可能返回0或多条记录。你必须使用 select
子句关闭 `flatAggregate` 。并且 select 子句不支持聚合函数。
Review comment:
```suggestion
和 **GroupBy Aggregation** 类似。使用运行中的表之后的聚合运算符对分组键上的行进行分组，以按组聚合行。和
AggregateFunction 的不同之处在于，TableAggregateFunction 的每个分组可能返回0或多条记录。你必须使用 select
子句关闭 `flatAggregate`。并且 select 子句不支持聚合函数。
```
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