[jira] [Resolved] (ARROW-9653) [Rust][DataFusion] Multi-column Group by: Invalid Argument Error

["Andy Grove (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-9653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Grove resolved ARROW-9653.
-------------------------------
    Fix Version/s: 2.0.0
       Resolution: Fixed

Issue resolved by pull request 7924
[https://github.com/apache/arrow/pull/7924]

> [Rust][DataFusion] Multi-column Group by: Invalid Argument Error 
> -----------------------------------------------------------------
>
>                 Key: ARROW-9653
>                 URL: https://issues.apache.org/jira/browse/ARROW-9653
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Rust, Rust - DataFusion
>            Reporter: Andrew Lamb
>            Assignee: Andrew Lamb
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>         Attachments: repro.csv
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Repro:
> {code}
> CREATE EXTERNAL TABLE repro(a INT, b INT)
> STORED AS CSV
> WITH HEADER ROW
> LOCATION 'repro.csv';
> {code}
> The contents of repro.csv are as follows (also attached):
> {code}
> a,b
> 1,100
> 1,200
> 2,100
> 2,200
> 2,300
> {code}
> Then try to run the following query (to sum the values of a, grouped by b).
> {code}
> select sum(a), a, b from repro group by a, b;
> {code}
> *Expected result*: a table with three output columns: sum(a), a, and b
> *Actual result*: An arrow error
> {code}
> > select sum(a), a, b from repro group by a, b;
> ArrowError(InvalidArgumentError("number of columns(4) must match number of fields(3) in schema"))
> {code}



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