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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16838) Improve plans for subqueries with non-equi co-related predicates
Date Wed, 07 Jun 2017 01:24:18 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-16838:
-------------------------------
    Attachment: HIVE-16838.1.patch

cc [~ashutoshc] This is a preliminary patch which eliminates un-necessary join with outer
query for non-equi correlated predicates (same as equi correlated predicates).
It still has issues which I am working on. Uploading it to run tests to see failure.

> Improve plans for subqueries with non-equi co-related predicates
> ----------------------------------------------------------------
>
>                 Key: HIVE-16838
>                 URL: https://issues.apache.org/jira/browse/HIVE-16838
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Logical Optimizer
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>              Labels: sub-query
>         Attachments: HIVE-16838.1.patch
>
>




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