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From "Julian Hyde (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8656) CBO: auto_join_filters fails
Date Fri, 31 Oct 2014 23:36:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14192746#comment-14192746
] 

Julian Hyde commented on HIVE-8656:
-----------------------------------

I suspect that CALCITE-448 is (despite its title) a subtle issue in PushFiltersThroughJoinRule.
If we patch TypeConverter.java to make all columns nullable (what we intended anyway) the
issue goes away. See attached.

> CBO: auto_join_filters fails
> ----------------------------
>
>                 Key: HIVE-8656
>                 URL: https://issues.apache.org/jira/browse/HIVE-8656
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>            Reporter: Sergey Shelukhin
>            Assignee: Ashutosh Chauhan
>            Priority: Critical
>             Fix For: 0.14.0
>
>
> Haven't looked why yet



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