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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-2075) Subquery not projecting the order by column is causing issues when used along with flatten
Date Fri, 03 Apr 2015 22:59:52 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aman Sinha resolved DRILL-2075.
-------------------------------
    Resolution: Duplicate

> Subquery not projecting the order by column is causing issues when used along with flatten
> ------------------------------------------------------------------------------------------
>
>                 Key: DRILL-2075
>                 URL: https://issues.apache.org/jira/browse/DRILL-2075
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Aman Sinha
>             Fix For: 0.9.0
>
>
> git.commit.id.abbrev=3c6d0ef
> Data Set :
> {code}
> {
>   "uid" : 1,
>   "uid_str" : "01",
>   "type" : "web",
>   "events" : [
>         { "evnt_id":"e1", "campaign_id":"c1", "event_name":"e1_name", "event_time":1000000,
"type" : "cmpgn1"},
>         { "evnt_id":"e2", "campaign_id":"c1", "event_name":"e2_name", "event_time":2000000,
"type" : "cmpgn4"},
>         { "evnt_id":"e3", "campaign_id":"c1", "event_name":"e3_name", "event_time":3000000,
"type" : "cmpgn1"},
>         { "evnt_id":"e4", "campaign_id":"c1", "event_name":"e4_name", "event_time":4000000,
"type" : "cmpgn1"},
>         { "evnt_id":"e5", "campaign_id":"c2", "event_name":"e5_name", "event_time":5000000,
"type" : "cmpgn3"},
>         { "evnt_id":"e6", "campaign_id":"c1", "event_name":"e6_name", "event_time":6000000,
"type" : "cmpgn9"},
>         { "evnt_id":"e7", "campaign_id":"c1", "event_name":"e7_name", "event_time":7000000,
"type" : "cmpgn3"},
>         { "evnt_id":"e8", "campaign_id":"c2", "event_name":"e8_name", "event_time":8000000,
"type" : "cmpgn2"},
>         { "evnt_id":"e9", "campaign_id":"c2", "event_name":"e9_name", "event_time":9000000,
"type" : "cmpgn4"}
>   ]
> }
> {code}
> Query with flatten :
> {code}
> select s.type  from (select d.type type, flatten(d.events) evnts from `temp.json` d where
d.type='web' order by d.uid) s where s.type='web';
> Query failed: IndexOutOfBoundsException: index (2) must be less than size (1)
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Query without flatten :
> {code}
> select s.type  from (select d.type type from `temp.json` d where d.type='web' order by
d.uid) s where s.type='web';
> +------------+
> |    type    |
> +------------+
> | web        |
> +------------+
> {code}
> However even the above query fails when we remove the filter and this could be related
to DRILL-1302
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select s.type  from (select d.type type from
`temp.json` d where d.type='web' order by d.uid) s;
> Query failed: ArrayIndexOutOfBoundsException: -1
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}



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