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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