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https://issues.apache.org/jira/browse/ARROW-11622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Lamb closed ARROW-11622.
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Resolution: Invalid
> [Rust] [DataFusion] AggregateExpression name inconsistency
> ----------------------------------------------------------
>
> Key: ARROW-11622
> URL: https://issues.apache.org/jira/browse/ARROW-11622
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust - DataFusion
> Reporter: Andy Grove
> Priority: Major
>
> I have an aggregate query and the AggregateExpr has this name
> {code:java}
> SUM(l_extendedprice Multiply Int64(1)){code}
> This is hiding the fact that the expression has a CAST operation:
> {code:java}
> expr: BinaryExpr { left: Column { name: "l_extendedprice" }, op: Multiply,
> right: CastExpr { expr: Literal { value: Int64(1) }, cast_type: Float64 } },
> nullable: true }{code}
> In Ballista, this causes a problem with serde because after a rountrip, the
> expression has a name that includes the CAST and this causes a schema
> mismatch.
> {code:java}
> SUM(l_extendedprice Multiply CAST(Int64(1) AS Float64)) {code}
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