Andy Grove created ARROW-11544:
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Summary: [Rust] [DataFusion] Implement as_any for AggregateExpr
Key: ARROW-11544
URL: https://issues.apache.org/jira/browse/ARROW-11544
Project: Apache Arrow
Issue Type: Improvement
Components: Rust - DataFusion
Reporter: Andy Grove
Assignee: Andy Grove
Fix For: 4.0.0
Implement as_any for AggregateExpr so it can be downcast to a known
implementation. Ballista needs this for serde.
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