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Posted to issues@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2015/02/26 18:58:05 UTC

[jira] [Commented] (HIVE-9796) CBO (Calcite Return Path): Add field nullable check to HiveJoinAddNotNullRule [CBO branch]

    [ https://issues.apache.org/jira/browse/HIVE-9796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338804#comment-14338804 ] 

Ashutosh Chauhan commented on HIVE-9796:
----------------------------------------

Its ok to have this check, but in Hive all columns are nullable and Hive declares so to Calcite. 

> CBO (Calcite Return Path): Add field nullable check to HiveJoinAddNotNullRule [CBO branch]
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-9796
>                 URL: https://issues.apache.org/jira/browse/HIVE-9796
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>    Affects Versions: cbo-branch
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>             Fix For: cbo-branch
>
>         Attachments: HIVE-9796.cbo.patch
>
>




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