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https://issues.apache.org/jira/browse/ARROW-10886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Lamb closed ARROW-10886.
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Resolution: Invalid
> [Rust] Potential crash when creating arrays from Iterators if size_hint is
> not correct
> --------------------------------------------------------------------------------------
>
> Key: ARROW-10886
> URL: https://issues.apache.org/jira/browse/ARROW-10886
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust
> Reporter: Andrew Lamb
> Priority: Major
>
> It appears that the code that implements converting iterators to arrow arrays
> effectively relies on size_hint to return the precise size of the iterator
> otherwise it will crash (maybe) -- but I think the intention of size_hint is,
> as the name suggests, a hint.
> The goal of this ticket is to remove the assumption in the code that
> size_hint must return a value as well as the assumption that it is accurate.
> More details can be found here
> https://github.com/apache/arrow/pull/8842#discussion_r540295695
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