[jira] [Closed] (ARROW-11622) [Rust] [DataFusion] AggregateExpression name inconsistency

["Andrew Lamb (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-11622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Lamb closed ARROW-11622.
-------------------------------
    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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