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https://issues.apache.org/jira/browse/HIVE-24031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269992#comment-17269992
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Stamatis Zampetakis commented on HIVE-24031:
--------------------------------------------
Note that the problem may still appear in a version that does not have
HIVE-22079.
> Infinite planning time on syntactically big queries
> ---------------------------------------------------
>
> Key: HIVE-24031
> URL: https://issues.apache.org/jira/browse/HIVE-24031
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Attachments: ASTNode_getChildren_cost.png,
> query_big_array_constructor.nps
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Syntactically big queries (~1 million tokens), such as the query shown below,
> lead to very big (seemingly infinite) planning times.
> {code:sql}
> select posexplode(array('item1', 'item2', ..., 'item1M'));
> {code}
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