[jira] [Created] (FLINK-15734) Support spill in batch hash window aggregation

[Shang Yuanchun (Jira)]

Jingsong Lee created FLINK-15734:
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             Summary: Support spill in batch hash window aggregation
                 Key: FLINK-15734
                 URL: https://issues.apache.org/jira/browse/FLINK-15734
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Planner
            Reporter: Jingsong Lee
             Fix For: 1.11.0


We can fallback to sort aggregation like regular aggregate instead of bothering user to change to sort agg or increase memory.



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