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Posted to jira@arrow.apache.org by "Rok Mihevc (Jira)" <ji...@apache.org> on 2023/01/11 07:22:03 UTC
[jira] [Commented] (ARROW-2521) [Rust] Refactor Rust API to use traits and generics
[ https://issues.apache.org/jira/browse/ARROW-2521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659547#comment-17659547 ]
Rok Mihevc commented on ARROW-2521:
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This issue has been migrated to [issue #18808|https://github.com/apache/arrow/issues/18808] on GitHub. Please see the [migration documentation|https://github.com/apache/arrow/issues/14542] for further details.
> [Rust] Refactor Rust API to use traits and generics
> ---------------------------------------------------
>
> Key: ARROW-2521
> URL: https://issues.apache.org/jira/browse/ARROW-2521
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
> Time Spent: 7h
> Remaining Estimate: 0h
>
> Early on, [~kszucs] and I worked on two different designs for how to represent Arrow arrays in Rust, each with their pros and cons.
> Krisztian started out with a generics approach e.g. Array<T> which was great until we tried to implement structs, which can contain mixed types so we ended up using enum to represent arrays, which was great until I got to the list types ... I don't think I can implement nested lists with this approach.
> I am reviewing this again now that I am more familiar with Arrow and also my Rust skills have improved greatly since I started working on all of this.
> I will be prototyping in a separate repo, and will update this Jira once I have something concrete to share, but I feel it is important to address this before the first official release of the Rust version. Also, if we are going to consider a refactor like this, it is better to do it now while the codebase is tiny.
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