[jira] [Created] (SPARK-29437) CSV Writer should escape 'escapechar' when it exists in the data

["Tomasz Bartczak (Jira)" <ji...@apache.org>]

Tomasz Bartczak created SPARK-29437:
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             Summary: CSV Writer should escape 'escapechar' when it exists in the data
                 Key: SPARK-29437
                 URL: https://issues.apache.org/jira/browse/SPARK-29437
             Project: Spark
          Issue Type: Bug
          Components: Input/Output
    Affects Versions: 2.4.3
            Reporter: Tomasz Bartczak


When the data contains escape character (default '\') it should either be escaped or quoted.

Steps to reproduce: [https://gist.github.com/kretes/58f7f66a0780681a44c175a2ac3c0da2]

 

The effect can be either bad data read or sometimes even unable to properly read the csv, e.g. when escape character is the last character in the column - it break the column reading for that row and effectively break e.g. type inference for a dataframe



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