beyond1920 commented on a change in pull request #18414:
URL: https://github.com/apache/flink/pull/18414#discussion_r789292974
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File path: docs/content.zh/docs/dev/table/sql/queries/window-agg.md
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@@ -199,7 +199,7 @@ The following shows a cascading window aggregation where
the first window aggreg
```sql
-- tumbling 5 minutes for each supplier_id
CREATE VIEW window1 AS
-SELECT window_start, window_end, window_time as rowtime, SUM(price) as
partial_price
+SELECT window_start as window1_start, window_end as window1_end, window_time
as rowtime, SUM(price) as partial_price
Review comment:
Could you add some comments here to explain that we need alias here to
avoid name conflict?
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