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Posted to dev@hive.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2009/02/07 03:01:05 UTC

[jira] Created: (HIVE-281) Remove "iscompressed" parameter in the metastore

Remove "iscompressed" parameter in the metastore
------------------------------------------------

                 Key: HIVE-281
                 URL: https://issues.apache.org/jira/browse/HIVE-281
             Project: Hadoop Hive
          Issue Type: Improvement
    Affects Versions: 0.2.0, 0.3.0
            Reporter: Zheng Shao


We should remove "isCompressed" option in the metastore. It's not used for anything now.
The result of a query is compressed depending on the mapred.output.compress option instead of table property.

Hadoop can automatically detect if the data is compressed or not, so we don't need this property in metastore.



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[jira] Commented: (HIVE-281) Remove "iscompressed" parameter in the metastore

Posted by "Prasad Chakka (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HIVE-281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12671392#action_12671392 ] 

Prasad Chakka commented on HIVE-281:
------------------------------------

you mean in the ql.metadata interface or in the metastore db? the former is very easy but the later can be done when we refactor the schema for views etc.

> Remove "iscompressed" parameter in the metastore
> ------------------------------------------------
>
>                 Key: HIVE-281
>                 URL: https://issues.apache.org/jira/browse/HIVE-281
>             Project: Hadoop Hive
>          Issue Type: Improvement
>    Affects Versions: 0.2.0, 0.3.0
>            Reporter: Zheng Shao
>
> We should remove "isCompressed" option in the metastore. It's not used for anything now.
> The result of a query is compressed depending on the mapred.output.compress option instead of table property.
> Hadoop can automatically detect if the data is compressed or not, so we don't need this property in metastore.

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[jira] Updated: (HIVE-281) Remove "iscompressed" parameter in the metastore

Posted by "Raghotham Murthy (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HIVE-281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghotham Murthy updated HIVE-281:
----------------------------------

    Component/s: Metastore

> Remove "iscompressed" parameter in the metastore
> ------------------------------------------------
>
>                 Key: HIVE-281
>                 URL: https://issues.apache.org/jira/browse/HIVE-281
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Metastore
>    Affects Versions: 0.2.0, 0.3.0
>            Reporter: Zheng Shao
>
> We should remove "isCompressed" option in the metastore. It's not used for anything now.
> The result of a query is compressed depending on the mapred.output.compress option instead of table property.
> Hadoop can automatically detect if the data is compressed or not, so we don't need this property in metastore.

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