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https://issues.apache.org/jira/browse/ARROW-12510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17330376#comment-17330376
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Joris Van den Bossche commented on ARROW-12510:
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Would this then only work for columns that are not inferred as string? (or
specified as string through an explicit column_types)
Because for string there would be no distinction between empty string or null.
> [C++][Python][CSV] Allow quoted values to be null
> -------------------------------------------------
>
> Key: ARROW-12510
> URL: https://issues.apache.org/jira/browse/ARROW-12510
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Reporter: Antoine Pitrou
> Priority: Minor
> Fix For: 5.0.0
>
>
> We should add an option such that quoted CSV values also undergo null
> detection.
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