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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1609) Sum/avg do not work on columns returned from subqueries
Date Tue, 24 Feb 2015 16:22:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aman Sinha updated DRILL-1609:
------------------------------
    Fix Version/s:     (was: 0.8.0)
                   0.9.0

> Sum/avg do not work on columns returned from subqueries
> -------------------------------------------------------
>
>                 Key: DRILL-1609
>                 URL: https://issues.apache.org/jira/browse/DRILL-1609
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Neeraja
>            Assignee: Aman Sinha
>             Fix For: 0.9.0
>
>
> The following query fails when using sum/avg on columns returned from subqueries. count/max/min
works fine.
> This may be the root cause for  https://issues.apache.org/jira/browse/DRILL-1607 as well
, but keeping them as separate issues for now.
> 0: jdbc:drill:zk=local> select sum(c.f) from 
> . . . . . . . . . . . > (select t.myarray.key1 as f from dfs.`/Users/nrentachintala/Downloads/drillreleases/apache-drill-0.7.0-incubating-SNAPSHOT/sample-data/mytest.json`
t) c;
> +------------+
> |   EXPR$0   |
> +------------+
> Query failed: Failure while running fragment.
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
> 	at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> 	at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> 	at sqlline.SqlLine.print(SqlLine.java:1809)
> 	at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> 	at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> 	at sqlline.SqlLine.dispatch(SqlLine.java:889)
> 	at sqlline.SqlLine.begin(SqlLine.java:763)
> 	at sqlline.SqlLine.start(SqlLine.java:498)
> 	at sqlline.SqlLine.main(SqlLine.java:460)
> 0: jdbc:drill:zk=local> explain plan for select sum(c.f) from 
> . . . . . . . . . . . > (select t.myarray.key1 as f from dfs.`/Users/nrentachintala/Downloads/drillreleases/apache-drill-0.7.0-incubating-SNAPSHOT/sample-data/mytest.json`
t) c;
> +------------+------------+
> |    text    |    json    |
> +------------+------------+
> | 00-00    Screen
> 00-01      StreamAgg(group=[{}], EXPR$0=[SUM($0)])
> 00-02        Project(f=[ITEM($0, 'key1')])
> 00-03          Scan(groupscan=[EasyGroupScan [selectionRoot=/Users/ |
> +------------+------------+
> 1 row selected (0.176 seconds)
> JSON file used is below.
> {
>         "name":"test",
>         "myarray":{
>                 "key1":2,
>                 "key4":3,
>                 "key2":4
>         }
> }{
>         "name":"mytest",
>         "myarray":{
>                 "key3":2,
>                 "key5":3,
>                 "key6":4
>         }
> }



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