Jinfeng Ni created DRILL-1470:
---------------------------------
Summary: Drill incorrectly ignore length parameter when cast into
varchar/varbinary
Key: DRILL-1470
URL: https://issues.apache.org/jira/browse/DRILL-1470
Project: Apache Drill
Issue Type: Bug
Reporter: Jinfeng Ni
Assignee: Jinfeng Ni
cast(parm1 as varchar(n)) should return a string with up to n characters.
However, currently Drill will ignore the length parameter. For example,
select first_name, cast(first_name as varchar(2)) from cp.`employee.json` limit
2;
+------------+------------+
| first_name | EXPR$1 |
+------------+------------+
| Sheri | Sheri |
| Derrick | Derrick |
+------------+------------+
2 rows selected (0.285 seconds)
In comparison, here is the result run on postgres.
select cast('abcdef' as varchar(2)) from t1 limit 1;
varchar
---------
ab
(1 row)
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