[jira] [Commented] (HIVE-23240) loadDynamicPartition complains about static partitions even when they are provided in the description

["Reza Safi (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-23240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17097460#comment-17097460 ] 

Reza Safi commented on HIVE-23240:
----------------------------------

[~soundhearer] I think I've more context about this issue. I also was working on this for sometime and was testing another patch last night. I'll attach another patch soon. Sorry for reassignment to myself.

> loadDynamicPartition complains about static partitions even when they are provided in the description 
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-23240
>                 URL: https://issues.apache.org/jira/browse/HIVE-23240
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Reza Safi
>            Assignee: Leping Huang
>            Priority: Minor
>         Attachments: HIVE-23240.2.patch, HIVE-23240.patch
>
>
> Hive is computing valid dynamic partitions here:
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2853
> However it later uses the specification provided by client here:
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2879
> (partSpec is exactly what client has provided and partSpec.keySet() contains both static and dynamic partitions key)
> As a result the makeSpecFromName here will expect both static and dynamic partitions in requiredKeys:
> https://github.com/apache/hive/blob/master/standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/Warehouse.java#L580
> However since the curPath that is passed to the above method is just like "somePath/dynamicPart=value" which miss the static partitions and a result the method  will ignore static partition keys then complains in log a warning that the static partition keys are missing. Returning false to Hive.java,  a log warning that "dynamicPart=value" is an invalid partition will be issued, despite the fact that the dynamic partition has been validated before:
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2880 
> This will cause a silent data corruption in some clients. As an example spark will suffer from this when working with hive metastore in master branch.
> It seems that if the goal was just to warn the client, there is no need to ignore the valid dynamic partition.



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