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https://issues.apache.org/jira/browse/SPARK-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15133087#comment-15133087
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Aaditya Ramesh commented on SPARK-13027:
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[~zsxwing] Sorry for the late response, definitely, I have the patch ready, I'm 
just reviewing it with coworkers before submitting the PR. [~mariobriggs] thank 
you for the offer. :) I actually already have the patch ready and it would be 
very helpful if you could review it.

> Add API for updateStateByKey to provide batch time as input
> -----------------------------------------------------------
>
>                 Key: SPARK-13027
>                 URL: https://issues.apache.org/jira/browse/SPARK-13027
>             Project: Spark
>          Issue Type: Improvement
>          Components: Streaming
>    Affects Versions: 1.6.0
>            Reporter: Aaditya Ramesh
>
> The StateDStream currently does not provide the batch time as input to the 
> state update function. This is required in cases where the behavior depends 
> on the batch start time.
> We (Conviva) have been patching it manually for the past several Spark 
> versions but we thought it might be useful for others as well.



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