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https://issues.apache.org/jira/browse/HIVE-13991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348278#comment-15348278
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Yongzhi Chen commented on HIVE-13991:
-------------------------------------
init(true); combined with genResolvedParseTree() do the step one work, so
assign mergeIsDirect in init(boolean) is fine. You can think it is the same
reason as clear pruned partitions or not.
There are only two places in our code that calls genResolvedParseTree() , list
it may help you understand the code:
{noformat}
if (reAnalyzeAST) {
init(true);
prunedPartitions.clear();
// Assumption: At this point Parse Tree gen & resolution will always
// be true (since we started out that way).
super.genResolvedParseTree(ast, new PlannerContext());
{noformat}
> Union All on view fail with no valid permission on underneath table
> -------------------------------------------------------------------
>
> Key: HIVE-13991
> URL: https://issues.apache.org/jira/browse/HIVE-13991
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Attachments: HIVE-13991.1.patch, HIVE-13991.2.patch
>
>
> When sentry is enabled.
> create view V as select * from T;
> When the user has read permission on view V, but does not have read
> permission on table T,
> select * from V union all select * from V
> failed with:
> {noformat}
> 0: jdbc:hive2://********> select * from s07view union all select * from
> s07view limit 1;
> Error: Error while compiling statement: FAILED: SemanticException No valid
> privileges
> Required privileges for this query:
> Server=server1->Db=default->Table=sample_07->action=select;
> (state=42000,code=40000)
> {noformat}
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