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https://issues.apache.org/jira/browse/FLINK-11230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16730969#comment-16730969
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Hequn Cheng commented on FLINK-11230:
-------------------------------------
Hi [~jiweiautohome] , I can't figure out the reason with the information you
provided. You can check the output of the two windows and see what was going on.
> Sum of FlinkSql after two table union all.The value is too large.
> -----------------------------------------------------------------
>
> Key: FLINK-11230
> URL: https://issues.apache.org/jira/browse/FLINK-11230
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.7.0
> Reporter: jiwei
> Priority: Blocker
> Labels: test
>
> SELECT k AS KEY, SUM(p) AS pv
> FROM (
> SELECT tumble_start(stime, INTERVAL '1' minute) AS k
> , COUNT(*) AS p
> FROM flink_test1
> GROUP BY tumble(stime, INTERVAL '1' minute)
> UNION ALL
> SELECT tumble_start(stime, INTERVAL '1' minute) AS k
> , COUNT(*) AS p
> FROM flink_test2
> GROUP BY tumble(stime, INTERVAL '1' minute)
> ) t
> GROUP BY k
> The Result of executing this sql is about 7000 per minute and keeping
> increasing.But the result is 60 per minute for per table.Is there an error in
> my SQL statement?
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