Krystal created DRILL-574:
-----------------------------
Summary: RPAD function returns different result compared to other
rdbms when length is less than string
Key: DRILL-574
URL: https://issues.apache.org/jira/browse/DRILL-574
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.0.0
Reporter: Krystal
The rpad function - rpad(str1, length [, str2]) returns different result
compared to postgres, oracle and mysql when length is less than the lenght of
str1. For example:
select * from voter where voter_id=10;
voter_id | name | age | registration | contributions | voterzone |
create_time
--------+---------------+-----+--------------+---------------+-----------+---------------------
10 | tom underhill | 75 | socialist | 525.33 | 18592 |
2015-01-24 07:27:05
0: jdbc:drill:schema=dfs> select rpad(name, 8, 'A') from voter where
voter_id=10;
+------------+
| EXPR$0 |
+------------+
| nderhill |
+------------+
The above result from drill truncates the name from right to left. For the
other rdbms:
SQL> select rpad(name, 8, 'A') from voter where voter_id=10;
RPAD(NAM
--------
tom unde
Looks like truncation occurs from left to right eventhough it's rpad.
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