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Posted to dev@drill.apache.org by "Victoria Markman (JIRA)" <ji...@apache.org> on 2015/01/15 19:57:34 UTC
[jira] [Created] (DRILL-2015) Casting numeric value that does not
fit in integer data type produces incorrect result
Victoria Markman created DRILL-2015:
---------------------------------------
Summary: Casting numeric value that does not fit in integer data type produces incorrect result
Key: DRILL-2015
URL: https://issues.apache.org/jira/browse/DRILL-2015
Project: Apache Drill
Issue Type: Bug
Components: Execution - Data Types
Affects Versions: 0.8.0
Reporter: Victoria Markman
Assignee: Daniel Barclay (Drill/MapR)
Priority: Critical
t1.json
{code}
{ "a1": 1 , "b1" : 1}
{ "a1": 2 , "b1" : 1}
{ "a1": 2 , "b1" : 2}
{ "a1": 3 , "b1" : 2}
{ "a1": 5000147483647 , "b1" : 3}
{code}
We should throw an error, this is technically data corruption.
{code}
0: jdbc:drill:schema=dfs> select cast(a1 as integer) from `t1.json`;
+------------+
| EXPR$0 |
+------------+
| 1 |
| 2 |
| 2 |
| 3 |
| 805551103 |
+------------+
5 rows selected (0.074 seconds)
{code}
{code}
0: jdbc:drill:schema=dfs> select cast(2147483648 as integer) from `t1.json`;
+------------+
| EXPR$0 |
+------------+
| -2147483648 |
| -2147483648 |
| -2147483648 |
| -2147483648 |
| -2147483648 |
+------------+
5 rows selected (0.076 seconds)
{code}
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