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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2017/08/10 08:19:00 UTC
[jira] [Commented] (SPARK-21684) df.write double escaping all the
already escaped characters except the first one
[ https://issues.apache.org/jira/browse/SPARK-21684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121244#comment-16121244 ]
Liang-Chi Hsieh commented on SPARK-21684:
-----------------------------------------
Would you mind provide a small codes to reproduce it? Thanks.
> 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
>
> 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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