[jira] [Updated] (CRUNCH-564) Add support for using escape character same as open/close quote character

["Muhammad (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CRUNCH-564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Muhammad updated CRUNCH-564:
----------------------------
    Labels: csv csvparser  (was: )

> Add support for using escape character same as open/close quote character
> -------------------------------------------------------------------------
>
>                 Key: CRUNCH-564
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-564
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Muhammad
>            Assignee: Josh Wills
>            Priority: Trivial
>              Labels: csv, csvparser
>
> As a user I would like to use CSVInputFormat to handle the CSV files following this RFC http://www.ietf.org/rfc/rfc4180.txt.
> Many developers use Apache StringEscapeUtils.escapeCsv( ) method to escape their CSVs. The method escapes the CSV following the RFC4180. 
> https://commons.apache.org/proper/commons-lang/javadocs/api-2.6/org/apache/commons/lang/StringEscapeUtils.html
> The CSVLineReader throws exception in such a case. We can enhance the code to support the CSVs that use escape same as the quote characters.
> https://github.com/apache/crunch/blob/master/crunch-core/src/main/java/org/apache/crunch/io/text/csv/CSVLineReader.java#L152
> I would appreciate a comment, if someone has knowingly rejected the idea due to some technical limitation or a problem with allowing escape and quote as same characters. By the way Apache HAWQ seem to get around this issue somehow and reads such CSVs alright.



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