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From Daniel Barclay <danielbarclay....@gmail.com>
Subject Re: CSV escaping not working
Date Fri, 28 Oct 2016 17:11:12 GMT
In any case, it seems that the current behavior is not documented sufficiently.

Koert Kuipers wrote:
> i can see how unquoted csv would work if you escape delimiters, but i have never seen
that in practice.
>
> On Thu, Oct 27, 2016 at 2:03 PM, Jain, Nishit <njain1@underarmour.com <mailto:njain1@underarmour.com>>
wrote:
>
>     I’d think quoting is only necessary if you are not escaping delimiters in data.
But we can only share our opinions. It would be good to see something documented.
>     This may be the cause of the issue?: https://issues.apache.org/jira/browse/CSV-135
<https://issues.apache.org/jira/browse/CSV-135>
>
>     From: Koert Kuipers <koert@tresata.com <mailto:koert@tresata.com>>
>     Date: Thursday, October 27, 2016 at 12:49 PM
>
>     To: "Jain, Nishit" <njain1@underarmour.com <mailto:njain1@underarmour.com>>
>     Cc: "user@spark.apache.org <mailto:user@spark.apache.org>" <user@spark.apache.org
<mailto:user@spark.apache.org>>
>     Subject: Re: CSV escaping not working
>
>     well my expectation would be that if you have delimiters in your data you need to
quote your values. if you now have quotes without your data you need to escape them.
>
>     so escaping is only necessary if quoted.
>
>     On Thu, Oct 27, 2016 at 1:45 PM, Jain, Nishit <njain1@underarmour.com <mailto:njain1@underarmour.com>>
wrote:
>
>         Do you mind sharing why should escaping not work without quotes?
>
>         From: Koert Kuipers <koert@tresata.com <mailto:koert@tresata.com>>
>         Date: Thursday, October 27, 2016 at 12:40 PM
>         To: "Jain, Nishit" <njain1@underarmour.com <mailto:njain1@underarmour.com>>
>         Cc: "user@spark.apache.org <mailto:user@spark.apache.org>" <user@spark.apache.org
<mailto:user@spark.apache.org>>
>         Subject: Re: CSV escaping not working
>
>         that is what i would expect: escaping only works if quoted
>
>         On Thu, Oct 27, 2016 at 1:24 PM, Jain, Nishit <njain1@underarmour.com <mailto:njain1@underarmour.com>>
wrote:
>
>             Interesting finding: Escaping works if data is quoted but not otherwise.
>
>             From: "Jain, Nishit" <njain1@underarmour.com <mailto:njain1@underarmour.com>>
>             Date: Thursday, October 27, 2016 at 10:54 AM
>             To: "user@spark.apache.org <mailto:user@spark.apache.org>" <user@spark.apache.org
<mailto:user@spark.apache.org>>
>             Subject: CSV escaping not working
>
>             I am using spark-core version 2.0.1 with Scala 2.11. I have simple code to
read a csv file which has \ escapes.
>
>             |val myDA = spark.read .option("quote",null) .schema(mySchema) .csv(filePath)
|
>
>             As per documentation \ is default escape for csv reader. But it does not
work. Spark is reading \ as part of my data. For Ex: City column in csv file is *north rocks\,au*
. I am expecting city column should read in code as *northrocks,au*. But instead spark reads
it as *northrocks\* and moves *au* to next column.
>
>             I have tried following but did not work:
>
>               * Explicitly defined escape .option("escape",”\\")
>               * Changed escape to | or : in file and in code
>               * I have tried using spark-csv library
>
>             Any one facing same issue? Am I missing something?
>
>             Thanks
>
>
>
>


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