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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2018/04/02 14:40:00 UTC

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

Maxim Gekk created SPARK-23846:
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             Summary: 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


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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