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From "Shreepadma Venugopalan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3443) Hive Metatool should take serde_param_key from the user to allow for changes to avro serde's schema url key
Date Mon, 10 Sep 2012 19:54:07 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452372#comment-13452372
] 

Shreepadma Venugopalan commented on HIVE-3443:
----------------------------------------------

I'm not adding any code that is specific to Haivvreo to Hive, nor is this patch supporting
the change from Haivvreo to AvroSerde. Note that this tool is specifically intended for migration
to HA and **not** to support change from Haivvreo to AvroSerde. 

This patch makes the metatool more flexible and generic to allow the users to update both
Haivvreo and AvroSerde specific metadata that resides in the metastore. If its not Hive's
responsibility to support non-ASF code such as Haivvreo, then Haivvreo specific property such
as schema.url shouldn't be past of the metastore in the first place. Given that it is and
users need a way to migrate to HA, there is not a better and a convenient way to do this migration
other than make Metatool flexible enough to take in serdeParamKey from the user. This change
is fixing what you are specifically objecting to i.e., Hive shouldn't know about Haivvreo.
With this patch, Hive Metatool will be oblivious to whether its updating Haivvreo or AvroSerde
metadata.
                
> Hive Metatool should take serde_param_key from the user to allow for changes to avro
serde's schema url key
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-3443
>                 URL: https://issues.apache.org/jira/browse/HIVE-3443
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.10.0
>            Reporter: Shreepadma Venugopalan
>            Assignee: Shreepadma Venugopalan
>            Priority: Critical
>         Attachments: HIVE-3443.1.patch.txt
>
>
> Hive Metatool should take serde_param_key from the user to allow for chanes to avro serde's
schema url key. In the past "avro.schema.url" key used to be called "schema.url". 

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