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Posted to dev@hive.apache.org by "Sohan Jain (JIRA)" <ji...@apache.org> on 2011/07/28 23:16:09 UTC
[jira] [Updated] (HIVE-2322) Add ColumnarSerDe to the list of
native SerDes
[ https://issues.apache.org/jira/browse/HIVE-2322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sohan Jain updated HIVE-2322:
-----------------------------
Attachment: HIVE-2322.1.patch
> Add ColumnarSerDe to the list of native SerDes
> ----------------------------------------------
>
> Key: HIVE-2322
> URL: https://issues.apache.org/jira/browse/HIVE-2322
> Project: Hive
> Issue Type: Bug
> Components: Metastore, Serializers/Deserializers
> Reporter: Sohan Jain
> Assignee: Sohan Jain
> Attachments: HIVE-2322.1.patch
>
>
> We store metadata about ColumnarSerDes in the metastore, so it should be considered a native SerDe. Then, column information can be retrieved from the metastore instead of from deserialization.
> Currently, for non-native SerDes, column comments are only shown as "from deserializer". Adding ColumnarSerDe to the list of native SerDes will persist column comments. See HIVE-2171 for persisting the column comments of custom SerDes.
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