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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5040) Interrupted CTAS should not succeed & should not create physical file on disk
Date Mon, 14 Nov 2016 11:44:58 GMT
Khurram Faraaz created DRILL-5040:
-------------------------------------

             Summary: Interrupted CTAS should not succeed & should not create physical
file on disk
                 Key: DRILL-5040
                 URL: https://issues.apache.org/jira/browse/DRILL-5040
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
    Affects Versions: 1.9.0
            Reporter: Khurram Faraaz


We should not allow CTAS to succeed (i.e create physical file on disk ) in the case where
it was interrupted. (vis Ctrl-C)

Drill 1.9.0
git commit ID : db30854

Consider the below CTAS that was interrupted using Ctrl-C
{noformat}
0: jdbc:drill:schema=dfs.tmp> create table temp_t1 as select * from `twoKeyJsn.json`; 
[ issue Ctrl-C while the above CTAS is running ]
No rows affected (7.694 seconds)
{noformat}

I verified that physical file was created on disk, even though the above CTAS was Canceled

{noformat}
[root@centos-01 ~]# hadoop fs -ls /tmp/temp_t1*
-rwxr-xr-x   3 root root   36713198 2016-11-14 10:51 /tmp/temp_t1/0_0_0.parquet
{noformat}

We are able to do a select on the CTAS table (above) that was Canceled.

{noformat}
0: jdbc:drill:schema=dfs.tmp> select count(*) from temp_t1;
+----------+
|  EXPR$0  |
+----------+
| 3747840  |
+----------+
1 row selected (0.183 seconds)
{noformat}



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