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https://issues.apache.org/jira/browse/ARROW-3089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16599133#comment-16599133
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Paddy Horan commented on ARROW-3089:
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[~csun] are you actively working on this? I wanted to add null support for the
StructArray which led me to need a builder for StructArray. Really this should
be built on top of a PrimitiveArrayBuilder which we don't have...
I started this work today until I noticed this jira. I'm a little away from
submitting a PR but wanted to know if you are working on this right now?
> [Rust] Add ArrayBuilder for different Arrow arrays
> --------------------------------------------------
>
> Key: ARROW-3089
> URL: https://issues.apache.org/jira/browse/ARROW-3089
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
>
> Similar to the CPP version, we should add `ArrayBuilder` for different kinds
> of Arrow arrays. This provides a convenient way to incrementally build Arrow
> arrays.
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