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Posted to jira@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2021/04/26 13:26:02 UTC

[jira] [Commented] (ARROW-11036) [Rust][DataFusion] Allow CSVReader to infer only columns not types

    [ https://issues.apache.org/jira/browse/ARROW-11036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17332329#comment-17332329 ] 

Andrew Lamb commented on ARROW-11036:
-------------------------------------

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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