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https://issues.apache.org/jira/browse/HIVE-11498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14661515#comment-14661515
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Dong Chen commented on HIVE-11498:
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[~dapengsun], thanks for the patch.
LGTM, pending tests.
[~thejas] would you like to take a look at this change about auth v2, and
further comments? Thanks.
> HIVE Authorization v2 should not check permission for dummy entity
> ------------------------------------------------------------------
>
> Key: HIVE-11498
> URL: https://issues.apache.org/jira/browse/HIVE-11498
> Project: Hive
> Issue Type: Bug
> Components: Authorization
> Affects Versions: 1.2.0, 1.3.0, 2.0.0
> Reporter: Dapeng Sun
> Assignee: Dapeng Sun
> Fix For: 1.3.0, 2.0.0
>
> Attachments: HIVE-11498.001.patch, HIVE-11498.002.patch,
> HIVE-11498.003.patch
>
>
> The queries like {{SELECT 1+1;}}, The target table and database will set to
> {{_dummy_database}} {{_dummy_table}}, authorization should skip these kinds
> of databases or tables.
> For authz v1. it has skip them.
> eg1. [Source code at
> github|https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/Driver.java#L600]
> {noformat}
> for (WriteEntity write : outputs) {
> if (write.isDummy() || write.isPathType()) {
> continue;
> }
> {noformat}
> eg2. [Source code at
> github|https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/Driver.java#L633]
> {noformat}
> for (ReadEntity read : inputs) {
> if (read.isDummy() || read.isPathType()) {
> continue;
> }
> ...
> }
> {noformat}
> ...
> This patch will fix authz v2.
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