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https://issues.apache.org/jira/browse/SQOOP-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378077#comment-14378077
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Jarek Jarcec Cecho commented on SQOOP-2113:
-------------------------------------------

Actually we've explicitly designed the configuration object in a way that the 
default value (not specified by user) is {{null}}. That is for example one 
reason why our configuration objects don't support primitive types, but only 
objects (e.g. {{Integer}} instead of {{int}}). 

I'm still not entire sure what problem do you see though. The fact that we are 
not storing "nulls" in database is just a small optimization. Obviously one 
need to create entry in {{JOB_INPUT}} table if it don't exists already. We are 
already supporting updating configuration objects (e.g. users can change values 
from {{null}} to concrete value), so it doesn't seem as a new problem to me?

> Modify REST API for the RU operation on job and link config
> -----------------------------------------------------------
>
>                 Key: SQOOP-2113
>                 URL: https://issues.apache.org/jira/browse/SQOOP-2113
>             Project: Sqoop
>          Issue Type: Bug
>            Reporter: Veena Basavaraj
>            Assignee: Veena Basavaraj
>             Fix For: 1.99.6
>
>         Attachments: SQOOP-2113-1.patch, SQOOP-2113-1.patch, 
> SQOOP-2113-2.patch
>
>
> based on the design doc for 1516, support the RU operation on configs for rest



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