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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2017/07/06 17:17:00 UTC

[jira] [Commented] (DRILL-2759) Wrong result on count(*) from empty csv file

    [ https://issues.apache.org/jira/browse/DRILL-2759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16076923#comment-16076923 ] 

Khurram Faraaz commented on DRILL-2759:
---------------------------------------

Fixed in Drill 1.10.0

{noformat}
[root@centos-01 ~]# ls -lrt empty.csv
-rw-r--r-- 1 root root 0 Mar 14  2016 empty.csv

apache drill 1.10.0
"the only truly happy people are children, the creative minority and drill users"
0: jdbc:drill:schema=dfs.tmp> select count(*) from `empty.csv`;
 --------- 
| EXPR$0  |
 --------- 
| 0       |
 --------- 
1 row selected (0.526 seconds)
{noformat}

> Wrong result on count(*) from empty csv file
> --------------------------------------------
>
>                 Key: DRILL-2759
>                 URL: https://issues.apache.org/jira/browse/DRILL-2759
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Text & CSV
>    Affects Versions: 0.9.0
>            Reporter: Victoria Markman
>            Assignee: Paul Rogers
>            Priority: Critical
>             Fix For: Future
>
>
> t1.csv is an empty file:
> {code}
> 0: jdbc:drill:schema=dfs> select count(*) from `bigtable/2015/01/t1.csv`;
> Query failed: IllegalArgumentException: Incoming endpoints 1 is greater than number of row groups 0
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}



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