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https://issues.apache.org/jira/browse/HIVE-20818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16691910#comment-16691910
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Peter Vary commented on HIVE-20818:
-----------------------------------
+1
> Views created with a WHERE subquery will regard views referenced in the
> subquery as direct input
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-20818
> URL: https://issues.apache.org/jira/browse/HIVE-20818
> Project: Hive
> Issue Type: Bug
> Reporter: Karen Coppage
> Assignee: Karen Coppage
> Priority: Major
> Attachments: HIVE-20818.2.patch, HIVE-20818.3.patch,
> HIVE-20818.4.patch, HIVE-20818.5.patch, HIVE-20818.6.patch, HIVE-20818.patch
>
>
> If Hive is configured with an authorization hook like Sentry, and a view is
> created with a WHERE clause referencing a different view' user has no access
> to, user cannot access the view as view' is considered direct input.
> For example:
> {code:java}
> create database db1;
> create database db2;
> create database db3;
>
> create table db1.table1 (cola string, colb string, colc string);
> insert into db1.table1 values ('a','b','c');
> insert into db1.table1 values ('x','y','z');
> CREATE VIEW db2.view1 AS SELECT cola, colb, colc FROM db1.table1 WHERE
> cola="x";
> CREATE VIEW db2.view2 AS SELECT table1.cola, table1.colb, table1.colc FROM
> db1.table1 WHERE table1.cola NOT IN (SELECT view1.cola FROM db2.view1);
> create view db3.view3 as select * from db2.view2
> {code}
> If test_user has read permission for only db3 (but not db1 or db2), their
> query
> {code:java}
> select * from db3.view3;{code}
> will fail with :
> {code:java}
> Error while compiling statement: FAILED: SemanticException No valid
> privileges User test_user does not have privileges for QUERY The required
> privileges: Server=server1->Db=db2->Table=view1->action=select; {code}
> WHERE IN and WHERE EXISTS cause the same issue.
> Cascading views created with no WHERE clauses (i.e. with simple SELECTs and
> FROM clauses) work fine.
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