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https://issues.apache.org/jira/browse/ARROW-11036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17332329#comment-17332329
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Andrew Lamb commented on ARROW-11036:
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Migrated to github: https://github.com/apache/arrow-datafusion/issues/135
> [Rust][DataFusion] Allow CSVReader to infer only columns not types
> ------------------------------------------------------------------
>
> Key: ARROW-11036
> URL: https://issues.apache.org/jira/browse/ARROW-11036
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: Mike Seddon
> Priority: Major
>
> Currently the CSVReader will only infer number of columns if it also attempts
> to infer types. This should be decoupled so that a user can easily extract a
> fully Utf8 typed CSV with the number of columns matching the input file. The
> user can then do CAST() or equivalent to control the parsing.
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