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https://issues.apache.org/jira/browse/PIG-987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762871#action_12762871
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Raghu Angadi commented on PIG-987:
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Even with PIG-991 included, I am seeing lzo related failures. Could you run
tests on a clean checkout? If you didn't see the errors before then you
probably have lzo set up in your environment, which is not a requirement.
> [zebra] Zebra Column Group Access Control
> -----------------------------------------
>
> Key: PIG-987
> URL: https://issues.apache.org/jira/browse/PIG-987
> Project: Pig
> Issue Type: New Feature
> Affects Versions: 0.6.0
> Reporter: Yan Zhou
> Assignee: Yan Zhou
> Attachments: ColumnGroupSecurity.patch,
> TEST-org.apache.hadoop.zebra.mapred.TestCheckin.txt
>
>
> Access Control: when processes try to read from the column groups, Zebra
> should be able to handle allowed vs. disallowed user/application accesses.
> The security is eventuallt granted by corresponding HDFS security of the
> data stored.
> Expected behavior when column group permissions are set:
> When user selects only columns that they do not have permissions to
> access, Zebra should return error with message "Error #: Permission denied
> for accessing column <column name or names>
> Access control applies to an entire column group, so all columns in a column
> group have same permissions.
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