luoyuxia created FLINK-27375:
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Summary: Hive dialect support "over() without order keys inside"
Key: FLINK-27375
URL: https://issues.apache.org/jira/browse/FLINK-27375
Project: Flink
Issue Type: Sub-task
Components: Connectors / Hive
Affects Versions: 1.16.0
Reporter: luoyuxia
Hive support "over()" without order keys inside such as
{code:java}
select row_number() over(), x, y from foo; {code}
But such sql will throw exception for Flink doesn't support the case that no
order key in "over()".
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