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https://issues.apache.org/jira/browse/ARROW-14647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li reassigned ARROW-14647:
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Assignee: Bob Matcuk
> [JavaScript] bignumToNumber returns incorrect results for negative numbers
> --------------------------------------------------------------------------
>
> Key: ARROW-14647
> URL: https://issues.apache.org/jira/browse/ARROW-14647
> Project: Apache Arrow
> Issue Type: Bug
> Components: JavaScript
> Affects Versions: 6.0.0
> Reporter: Bob Matcuk
> Assignee: Bob Matcuk
> Priority: Major
> Labels: pull-request-available
> Fix For: 8.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> I have the following in my data:
>
> {code:java}
> v = new Uint32Array([4294786450, 4294967295, 4294967295, 4294967295]) {code}
> bignumToNumber converts this to -18446744069414765000 but it should be
> -180846.
> I actually suspect that bignumToNumber fails on anything greater than 64
> bits, but I don't have any positive test cases.
>
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