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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2277) COUNT(*) should return 0 instead of an empty result set when there are no records
Date Sat, 21 Feb 2015 00:01:11 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329799#comment-14329799
] 

Rahul Challapalli commented on DRILL-2277:
------------------------------------------

This should also be the case when we have an empty file

> COUNT(*) should return 0 instead of an empty result set when there are no records
> ---------------------------------------------------------------------------------
>
>                 Key: DRILL-2277
>                 URL: https://issues.apache.org/jira/browse/DRILL-2277
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>            Reporter: Rahul Challapalli
>            Assignee: Daniel Barclay (Drill)
>            Priority: Critical
>
> git.commit.id.abbrev=6676f2d
> Data Set :
> {code}
> {
>  "id":1
> }
> {code}
> Query :
> {code}
> select count(*) from `temp.json` where uid < 1;
> +------------+
> |   EXPR$0   |
> +------------+
> +------------+
> {code}
> Postgres returns 0 in this case.
> Marking it as critical since we return an incorrect result



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