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From "Miklos Gergely (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21897) Setting serde / serde properties for partitions
Date Wed, 19 Jun 2019 23:41:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868108#comment-16868108
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Miklos Gergely commented on HIVE-21897:
---------------------------------------

[~mithun] just for sure I've inserted two rows, one with dt=1, one with dt=2, and checked
the files in HDFS. They are both ORC files.

> Setting serde / serde properties for partitions
> -----------------------------------------------
>
>                 Key: HIVE-21897
>                 URL: https://issues.apache.org/jira/browse/HIVE-21897
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 3.1.1
>            Reporter: Miklos Gergely
>            Assignee: Ashutosh Chauhan
>            Priority: Major
>             Fix For: 4.0.0
>
>
> According to [https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-AddSerDeProperties] the
SerDe and the SerDe properties can be set for a partition too, so
>  
> {code:java}
> ALTERT TABLE table PARTITION (partition_col='partition_value') SET SERDE 'serde.class.name';{code}
> Is a valid statement. In fact it is not rejected, but it is not doing anything at all.
The execution is successful, everything remains the same. The same is true for setting the
serde properties:
> {code:java}
> ALTER TABLE table PARTITION (partition_col='partition_value') SET SERDEPROPERTIES ('property_name'='property_value');{code}
> is also a valid statement, and not doing anything.
> I suggest to modify the parser, and reject these statements. SerDe is for a table, and
not for a partition.
>  



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