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https://issues.apache.org/jira/browse/HIVE-15758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vineet Garg updated HIVE-15758:
-------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
Pushed to master
> Allow correlated scalar subqueries with aggregates which has non-equi join
> predicates
> -------------------------------------------------------------------------------------
>
> Key: HIVE-15758
> URL: https://issues.apache.org/jira/browse/HIVE-15758
> Project: Hive
> Issue Type: Sub-task
> Components: Logical Optimizer
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Labels: sub-query
> Fix For: 3.0.0
>
> Attachments: HIVE-15758.1.patch, HIVE-15758.2.patch,
> HIVE-15758.3.patch
>
>
> Queries such as
> {code} select * from part where p_size <> (select count(p_size) from part pp
> where part.p_type <> pp.p_type); {code} are currently not allowed since HIVE
> doesn't know how to rewrite such queries to preserve the correctness for
> cases when there is zero row
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