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https://issues.apache.org/jira/browse/FLINK-4240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15389269#comment-15389269
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Till Rohrmann commented on FLINK-4240:
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Oh yes, you're right. Sorry stupid mistake. Will close the
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https://issues.apache.org/jira/browse/FLINK-4240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15387824#comment-15387824
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Jark Wu commented on FLINK-4240:
It's not a bug I think as we cannot select a column not in Group By.
In