[jira] [Updated] (ARROW-10165) [Rust] [DataFusion] Add DictionaryArray coercion support

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-10165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-10165:
-----------------------------------
    Labels: pull-request-available  (was: )

> [Rust] [DataFusion] Add DictionaryArray coercion support
> --------------------------------------------------------
>
>                 Key: ARROW-10165
>                 URL: https://issues.apache.org/jira/browse/ARROW-10165
>             Project: Apache Arrow
>          Issue Type: Sub-task
>            Reporter: Andrew Lamb
>            Assignee: Andrew Lamb
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> There is code in the datafusion physical planner that coerces arguments to compatible types for some expressions (e.g. for equals: https://github.com/apache/arrow/blob/master/rust/datafusion/src/physical_plan/expressions.rs#L1153)
> This code needs to be modified to understand dictionary types (so, for example we can express a predicate like {{col1 = "foo"}}, where {{col1}} is a DictionaryArray. 



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