Haohui Mai created FLINK-6595:
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Summary: Nested SQL queries do not expose proctime / rowtime
attributes
Key: FLINK-6595
URL: https://issues.apache.org/jira/browse/FLINK-6595
Project: Flink
Issue Type: Bug
Reporter: Haohui Mai
Assignee: Haohui Mai
Fix For: 1.3.0
We found out that the group windows cannot be applied with nested queries
out-of-the-box:
{noformat}
SELECT * FROM (
(SELECT ...)
UNION ALL)
(SELECT ...)
) GROUP BY foo, TUMBLE(proctime, ...)
{noformat}
Flink complains about {{proctime}} is undefined.
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