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Posted to issues@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2019/06/03 12:43:00 UTC
[jira] [Updated] (ARROW-1924) [Python] Bring back pickle=True
option for serialization
[ https://issues.apache.org/jira/browse/ARROW-1924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou updated ARROW-1924:
----------------------------------
Component/s: Python
> [Python] Bring back pickle=True option for serialization
> --------------------------------------------------------
>
> Key: ARROW-1924
> URL: https://issues.apache.org/jira/browse/ARROW-1924
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Philipp Moritz
> Assignee: Philipp Moritz
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> We need to revert https://issues.apache.org/jira/browse/ARROW-1758
> The reason is that the semantics for pickle=True is slightly different from just using (cloud-)pickle as the custom serializer:
> If pickle=True is used, the object can be deserialized in any process, even if a deserializer for that type_id has not been registered in that process. On the other hand, if (cloud-)pickle is used as a custom serializer, the object can only be deserialized if pyarrow has the type_id registered and can call the deserializer.
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