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From "Vinod KC (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-21684) df.write double escaping all the already escaped characters except the first one
Date Wed, 16 Aug 2017 15:34:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-21684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16128960#comment-16128960
] 

Vinod KC commented on SPARK-21684:
----------------------------------

[~taransaini43] Can try with option("quoteAll", "true") ?

Eg :  
udf_comma.write.option("quoteAll", "true")
      .format("csv").save("/home/taranjits/test-df-trans-2/")

> df.write double escaping all the already escaped characters except the first one
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-21684
>                 URL: https://issues.apache.org/jira/browse/SPARK-21684
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Taran Saini
>         Attachments: SparkQuotesTest2.scala
>
>
> Hi,
> If we have a dataframe with the column value as {noformat} ab\,cd\,ef\,gh {noformat}
> Then while writing it is being written as 
> {noformat} "ab\,cd\\,ef\\,gh" {noformat}
> i.e it double escapes all the already escaped commas/delimiters but not the first one.
> This is weird behaviour considering either it should do for all or none.
> If I do mention df.option("escape","") as empty then it solves this problem but the double
quotes inside the same value if any are preceded by a special char i.e '\u00'. Why does it
do so when the escape character is set as ""(empty)?



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