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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2457) aggregation function on complex type should give appropriate error
Date Sat, 14 Mar 2015 00:10:38 GMT
Chun Chang created DRILL-2457:
---------------------------------

             Summary: aggregation function on complex type should give appropriate error 
                 Key: DRILL-2457
                 URL: https://issues.apache.org/jira/browse/DRILL-2457
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill
    Affects Versions: 0.8.0
            Reporter: Chun Chang
            Assignee: Daniel Barclay (Drill)


#Fri Mar 06 16:51:10 EST 2015
git.commit.id.abbrev=fb293ba

Apply aggregation function on complex data should error out with appropriate error message
instead of returning null.

{code}
0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select t.soa[1] from `complex.json` t limit
1;
+------------+
|   EXPR$0   |
+------------+
| {"in":1,"fl":1.12345} |
+------------+
1 row selected (0.169 seconds)
0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select avg(t.soa[1]) from `complex.json`
t;
+--+
|  |
+--+
+--+
No rows selected (0.164 seconds)
{code}



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