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https://issues.apache.org/jira/browse/ARROW-5277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rok Mihevc updated ARROW-5277:
------------------------------
External issue URL: https://github.com/apache/arrow/issues/21747
> [C#] MemoryAllocator.Allocate(length: 0) should not return null
> ---------------------------------------------------------------
>
> Key: ARROW-5277
> URL: https://issues.apache.org/jira/browse/ARROW-5277
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C#
> Reporter: Eric Erhardt
> Priority: Minor
> Labels: pull-request-available
> Fix For: 0.16.0
>
> Original Estimate: 24h
> Time Spent: 0.5h
> Remaining Estimate: 23.5h
>
> See the conversation
> [here|https://github.com/apache/arrow/pull/3925#discussion_r281187184].
> We should change MemoryAllocator to not return `null` when the requested
> memory length is `0`. Instead, we should create a cached "NullObject"
> IMemoryOwner that has a no-op `Dispose` method, and always returns
> `Memory<T>.Empty`.
> This way consuming code doesn't need to check for `null` being returned from
> MemoryAllocator.Allocate.
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