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Posted to jira@arrow.apache.org by "Joris Van den Bossche (Jira)" <ji...@apache.org> on 2022/09/27 10:35:00 UTC
[jira] [Updated] (ARROW-17839) [Python] Cannot create RecordBatch with nested struct containing extension type
[ https://issues.apache.org/jira/browse/ARROW-17839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joris Van den Bossche updated ARROW-17839:
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Summary: [Python] Cannot create RecordBatch with nested struct containing extension type (was: Cannot create RecordBatch with nested struct containing extension type)
> [Python] Cannot create RecordBatch with nested struct containing extension type
> -------------------------------------------------------------------------------
>
> Key: ARROW-17839
> URL: https://issues.apache.org/jira/browse/ARROW-17839
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 9.0.0
> Environment: macOS 12.5.1 on an Apple M1 Ultra.
> Reporter: Matthias Vallentin
> Priority: Blocker
> Attachments: example.py
>
>
> I'm running into the following issue:
> {code:java}
> pyarrow.lib.ArrowNotImplementedError: Unsupported cast to extension<vast.address<AddressType>> from fixed_size_binary[16]{code}
> Use case: I want to create a record batch that contains this type:
> {code:java}
> pa.struct([("address", AddressType()), ("length", pa.uint8())]){code}
> Here, {{AddressType}} is an extension type that models an IP address ({{{}pa.binary(16){}}}).
> Please find attached a self-contained example that illustrates the issue.
>
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