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Posted to issues@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2019/04/17 15:49:00 UTC

[jira] [Updated] (ARROW-3523) [JS] Assign dictionary IDs in IPC writer rather than on creation

     [ https://issues.apache.org/jira/browse/ARROW-3523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-3523:
----------------------------------
    Component/s: JavaScript

> [JS] Assign dictionary IDs in IPC writer rather than on creation
> ----------------------------------------------------------------
>
>                 Key: ARROW-3523
>                 URL: https://issues.apache.org/jira/browse/ARROW-3523
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: JavaScript
>            Reporter: Brian Hulette
>            Priority: Major
>             Fix For: 0.14.0
>
>
>  Currently the JS implementation relies on on the user assigning IDs for dictionaries that they create, we should do something like the C++ implementation, which uses a dictionary id memo to assign and retrieve dictionary ids in the IPC writer (https://github.com/apache/arrow/blob/master/cpp/src/arrow/ipc/metadata-internal.cc#L495).



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