Jianguo Tian commented on HIVE-14679:

Hi, [~Kenneth MacArthur]. It looks difficult to implement "there should simply 
be no quote character at all when quoting is disabled". As we can see from the 
below code, the first parameter of *Builder* method is a character, but 
unfortunately we can't implement an empty character in java as *""* in String.
unquotedCsvPreference = new CsvPreference.Builder('\0', separator, "").build();
How do you think about this above?

> csv2/tsv2 output format disables quoting by default and it's difficult to 
> enable
> --------------------------------------------------------------------------------
>                 Key: HIVE-14679
>                 URL: https://issues.apache.org/jira/browse/HIVE-14679
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Brock Noland
>            Assignee: Jianguo Tian
> Over in HIVE-9788 we made quoting optional for csv2/tsv2.
> However I see the following issues:
> * JIRA doc doesn't mention it's disabled by default, this should be there an 
> in the output of beeline help.
> * The JIRA says the property is {{--disableQuotingForSV}} but it's actually a 
> system property. We should not use a system property as it's non-standard so 
> extremely hard for users to set. For example I must do: {{env 
> HADOOP_CLIENT_OPTS="-Ddisable.quoting.for.sv=false" beeline ...}}
> * The arg {{--disableQuotingForSV}} should be documented in beeline help.

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