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https://issues.apache.org/jira/browse/HIVE-16875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16056338#comment-16056338
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Yongzhi Chen commented on HIVE-16875:
-------------------------------------
AFAIK: they are sometimes are different:
Following is from hive comment in GenSparkProcContext.java:
// Alias to operator map, from the semantic analyzer.
// This is necessary as sometimes semantic analyzer's mapping is different
than operator's own alias.
public final Map<String, Operator<? extends OperatorDesc>> topOps;
And it is what I saw when debugging.
> Query against view with partitioned child on HoS fails with privilege
> exception.
> --------------------------------------------------------------------------------
>
> Key: HIVE-16875
> URL: https://issues.apache.org/jira/browse/HIVE-16875
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 1.0.0
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Attachments: HIVE-16875.1.patch, HIVE-16875.2.patch
>
>
> Query against view with child table that has partitions fails with privilege
> exception even with correct privileges.
> Reproduce:
> {noformat}
> create table jsamp1 (a string) partitioned by (b int);
> insert into table jsamp1 partition (b=1) values ("hello");
> create view jview as select * from jsamp1;
> create role viewtester;
> grant all on table jview to role viewtester;
> grant role viewtester to group testers;
> Use MR, the select will succeed:
> set hive.execution.engine=mr;
> select count(*) from jview;
> while use spark:
> set hive.execution.engine=spark;
> select count(*) from jview;
> it fails with:
> Error: Error while compiling statement: FAILED: SemanticException No valid
> privileges
> User tester does not have privileges for QUERY
> The required privileges:
> Server=server1->Db=default->Table=j1part->action=select;
> (state=42000,code=40000)
> {noformat}
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