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https://issues.apache.org/jira/browse/SQOOP-1168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14253015#comment-14253015
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Gwen Shapira commented on SQOOP-1168:
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OK, I think I got [~vybs] point. And it only took me two days ;)
If I get the idea correctly, the framework will ALWAYS try to store the
last_value from the extractor (except sometimes it may be null) and conversely,
there will always be a way for the extractor to grab the previous last_value.
It is purely up to the connector to decide (based on configs) whether to use
these methods or not.
I think this can work.
Veena, can you confirm whether my understanding is correct?
> Sqoop2: Delta Fetch/ Merge ( formerly called Incremental Import )
> -----------------------------------------------------------------
>
> Key: SQOOP-1168
> URL: https://issues.apache.org/jira/browse/SQOOP-1168
> Project: Sqoop
> Issue Type: Bug
> Reporter: Hari Shreedharan
> Assignee: Veena Basavaraj
> Fix For: 1.99.5
>
>
> The formal design wiki is here
> https://cwiki.apache.org/confluence/display/SQOOP/Delta+Fetch+and+Merge+Design
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