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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/06/25 09:45:00 UTC

[jira] [Assigned] (ARROW-8927) [C++] Support dictionary memos when reading/writing record batches using cuda IPC

     [ https://issues.apache.org/jira/browse/ARROW-8927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-8927:
-------------------------------------

    Assignee: Alex Baden

> [C++] Support dictionary memos when reading/writing record batches using cuda IPC
> ---------------------------------------------------------------------------------
>
>                 Key: ARROW-8927
>                 URL: https://issues.apache.org/jira/browse/ARROW-8927
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, GPU
>            Reporter: Alex Baden
>            Assignee: Alex Baden
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> Currently, the cuda IPC calls for `ReadRecordBatch` do not accept a dictionary memo as a parameter, building an empty memo before calling `ipc::ReadRecordBatch`. As such, adding a test which duplicates `TestCudaArrowIpc, BasicWriteRead` but calls `MakeDictionary` to create the record batch fails because the dictionaries for the original record batch are not found. The cuda IPC calls should be modified to take a dictionary memo, just like the standard IPC API.



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