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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/09/20 21:45:00 UTC

[jira] [Updated] (ARROW-13028) [C++] CSV add convert option to attempt 32bit number inferences

     [ https://issues.apache.org/jira/browse/ARROW-13028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-13028:
-----------------------------------
    Labels: pull-request-available  (was: )

> [C++] CSV add convert option to attempt 32bit number inferences
> ---------------------------------------------------------------
>
>                 Key: ARROW-13028
>                 URL: https://issues.apache.org/jira/browse/ARROW-13028
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Nate Clark
>            Assignee: Nate Clark
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When types are being inferred by CSV the numbers are always 64 bit. For large data sets it could be better to use 32 bit types to save over all memory. To do this it would be useful to add an option to ConvertOptions to try 32 bit numbers before 64 bit. By default this option would be disabled.



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