You are viewing a plain text version of this content. The canonical link for it is here.
Posted to jira@arrow.apache.org by "A. Coady (Jira)" <ji...@apache.org> on 2021/09/25 10:58:00 UTC
[jira] [Updated] (ARROW-14129) [C++] An empty dictionary array
crashes on `unique` and `value_counts`.
[ https://issues.apache.org/jira/browse/ARROW-14129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
A. Coady updated ARROW-14129:
-----------------------------
Description:
{code:python}
import pyarrow as pa
arr = pa.array(range(3)).dictionary_encode()
assert not arr[:0]
arr[:0].unique() # Check failed: (data->dictionary) != (nullptr)
{code}
was:
{code:python}
import pyarrow as pa
arr = pa.array(range(3)).dictionary_encode()
assert not arr[:0]
assert arr[:0].unique() # Check failed: (data->dictionary) != (nullptr)
{code}
> [C++] An empty dictionary array crashes on `unique` and `value_counts`.
> -----------------------------------------------------------------------
>
> Key: ARROW-14129
> URL: https://issues.apache.org/jira/browse/ARROW-14129
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 5.0.0
> Reporter: A. Coady
> Priority: Critical
>
> {code:python}
> import pyarrow as pa
> arr = pa.array(range(3)).dictionary_encode()
> assert not arr[:0]
> arr[:0].unique() # Check failed: (data->dictionary) != (nullptr)
> {code}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)