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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2018/04/30 01:47:00 UTC

[jira] [Resolved] (SPARK-23846) samplingRatio for schema inferring of CSV datasource

     [ https://issues.apache.org/jira/browse/SPARK-23846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-23846.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 20959
[https://github.com/apache/spark/pull/20959]

> samplingRatio for schema inferring of CSV datasource
> ----------------------------------------------------
>
>                 Key: SPARK-23846
>                 URL: https://issues.apache.org/jira/browse/SPARK-23846
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Major
>             Fix For: 2.4.0
>
>
> The JSON datasource has the option - `samplingRatio` which allows to reduce amount of data loaded for schema inferring. It would be useful having the same for CSV datasource.



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