[jira] [Commented] (HIVE-17871) Add non nullability flag to druid time column

["Ashutosh Chauhan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-17871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16363058#comment-16363058 ] 

Ashutosh Chauhan commented on HIVE-17871:
-----------------------------------------

[~bslim] Does this need more work or is this ready ?

> Add non nullability flag to druid time column
> ---------------------------------------------
>
>                 Key: HIVE-17871
>                 URL: https://issues.apache.org/jira/browse/HIVE-17871
>             Project: Hive
>          Issue Type: Improvement
>          Components: Druid integration
>            Reporter: slim bouguerra
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-17871.2.patch, HIVE-17871.patch
>
>
> Druid time column is non null all the time.
> Adding the non nullability flag will enable extra calcite goodness  like transforming 
> {code} select count(`__time`) from table {code} to {code} select count(*) from table {code}



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