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From "Georg Tsakumagos (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CSV-93) Allow the handling of NULL values
Date Mon, 30 Jul 2012 17:17:35 GMT

    [ https://issues.apache.org/jira/browse/CSV-93?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425019#comment-13425019
] 

Georg Tsakumagos commented on CSV-93:
-------------------------------------

I think it is not a problem because the attached patch activate this behavior only if the
*new* CSVFormat option *WithNullObjectPatternEnabled* is set.
The handling of null values is a special treatment which must be activated. 
It is not activated by default. 

Please review the patch and judge it again. 
                
> Allow the handling of NULL values
> ---------------------------------
>
>                 Key: CSV-93
>                 URL: https://issues.apache.org/jira/browse/CSV-93
>             Project: Commons CSV
>          Issue Type: Improvement
>          Components: Documentation, Parser, Printer
>    Affects Versions: 1.0
>            Reporter: Georg Tsakumagos
>         Attachments: patch.txt
>
>
> h5. Requirement
> To use the CSV parser and printer for SQL Dumps it would be nice if they could handle
*null* values. 
> h5. Specification
> To distinguish between an *empty* or *null* value empty values always gets quoted to
denote an empty string. The absence of an quote denotes a *null* value
> h5. Configuration
> To activate the behavior call the method _withNullObjectPatternEnabled_ of the _CSVFormat_
with parameter _true_.
> h5. Modifications
> See attached patch.
> h5. Example
> This example using as base the _DEFAULT_ _CSVFormat_ modified by the NullObjectPattern
behavior.
> || Array-Data || CSV-Data ||
> | \{null,"","A"," "\}; |,"A",""," " |
> | \{"",null,"A"," "\} |"",,"A"," " |
> | \{"","A",null\} |"","A", |

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