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https://issues.apache.org/jira/browse/ARROW-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16360831#comment-16360831
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ASF GitHub Bot commented on ARROW-2129:
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wesm commented on a change in pull request #1588: ARROW-2129: [Python] Handle
conversion of empty tables to Pandas
URL: https://github.com/apache/arrow/pull/1588#discussion_r167577620
##########
File path: cpp/src/arrow/python/arrow_to_pandas.cc
##########
@@ -280,6 +280,9 @@ class PandasBlock {
template <typename T>
inline const T* GetPrimitiveValues(const Array& arr) {
+ if (arr.length() == 0) {
Review comment:
There's no policy per se, but since there are more of us working on this
codebase now, we should be more diligent about explaining what internal APIs
are doing in comments
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> [Python] Segmentation fault on conversion of empty array to Pandas
> ------------------------------------------------------------------
>
> Key: ARROW-2129
> URL: https://issues.apache.org/jira/browse/ARROW-2129
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.8.0
> Reporter: Uwe L. Korn
> Assignee: Uwe L. Korn
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> Converting an empty {{pyarrow.Array}} to a Pandas series causes a
> segmentation fault.
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