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https://issues.apache.org/jira/browse/ARROW-2471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659498#comment-17659498
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Rok Mihevc commented on ARROW-2471:
-----------------------------------
This issue has been migrated to [issue
#18660|https://github.com/apache/arrow/issues/18660] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [Rust] Assertion when pushing value to Builder/ListBuilder with zero capacity
> -----------------------------------------------------------------------------
>
> Key: ARROW-2471
> URL: https://issues.apache.org/jira/browse/ARROW-2471
> Project: Apache Arrow
> Issue Type: Bug
> Components: Rust
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> If a builder is created with capacity 0 and then data is pushed to the
> builder, memory reallocation is not triggered and the push fails with an
> assertion.
> The root cause is that memory reallocation calculates the new capacity as 2x
> the current capacity which doesn't work if the current capacity is zero.
>
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