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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-16311) Improve metadata refresh
Date Tue, 05 Jul 2016 18:37:11 GMT

    [ https://issues.apache.org/jira/browse/SPARK-16311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15362974#comment-15362974
] 

Reynold Xin commented on SPARK-16311:
-------------------------------------

I'm resolving this ticket. We will add the Dataset.refresh in a separate ticket.


> Improve metadata refresh
> ------------------------
>
>                 Key: SPARK-16311
>                 URL: https://issues.apache.org/jira/browse/SPARK-16311
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>             Fix For: 2.0.0
>
>
> When the underlying file changes, it can be very confusing to users when they see a FileNotFoundException.
It would be great to do the following:
> (1) Append a message to the FileNotFoundException that a workaround is to do explicitly
metadata refresh.
> (2) Make metadata refresh work on temporary tables/views.
> (3) Make metadata refresh work on Datasets/DataFrames, by introducing a Dataset.refresh()
method.



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