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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/01/21 02:24:54 UTC

[GitHub] [flink] beyond1920 commented on a change in pull request #18414: [hotfix][docs]fix flink sql Cascading Window TVF Aggregation exception

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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