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Posted to jira@arrow.apache.org by "Dominik Moritz (Jira)" <ji...@apache.org> on 2022/01/16 17:29:00 UTC
[jira] [Resolved] (ARROW-12536) [JS] Construct tables from JavaScript types
[ https://issues.apache.org/jira/browse/ARROW-12536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dominik Moritz resolved ARROW-12536.
------------------------------------
Fix Version/s: 7.0.0
Assignee: Dominik Moritz
Resolution: Implemented
Done in https://github.com/apache/arrow/pull/10371
> [JS] Construct tables from JavaScript types
> -------------------------------------------
>
> Key: ARROW-12536
> URL: https://issues.apache.org/jira/browse/ARROW-12536
> Project: Apache Arrow
> Issue Type: Improvement
> Components: JavaScript
> Reporter: Dominik Moritz
> Assignee: Dominik Moritz
> Priority: Major
> Fix For: 7.0.0
>
>
> Right now, Arrow has no automatic type inference for JavaScript types, so I think we would need to add that.
> {code:javascript}
> // Convert from JS types automatically
> const t = Arrow.Table.from({
> Country: ["USA", "Canada", "Mexico"],
> GDP: [123, 234, 345],
> })
> // I'd also like Arrow to support other common JS table formats:
> const t = Arrow.Table.from([
> {Country: "USA", GDP: 123},
> {Country: "Canada", GDP: 234},
> {Country: "Mexico", GDP: 345},
> ])
> const t = Arrow.Table.from([
> ["Country", "GDP"],
> ["USA", 123],
> ["Canada", 234],
> ["Mexico", 345],
> ])
> {code}
> Thanks to Thiago for the suggestions!
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