Bugs item #2075085, was opened at 2008-08-26 07:57
Message generated for change (Comment added) made by mr-meltdown
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Category: SQL/Core
Group: MonetDB5 5.6
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Qian Qiao (drizzlerain)
Assigned to: Niels Nes (nielsnes)
Summary: The char and varchar compared wrong
Initial Comment:
OS:RedHat Linux AS 4
GCC:3.4.6
1.setup:
CREATE TABLE T850 (
T850KEY INT NOT NULL UNIQUE,
T850C CHAR (11),
T850VC VARCHAR (10));
2.insert:
INSERT INTO T850 VALUES (10, '1234567890', '1234567890');
INSERT INTO T850 VALUES (5, '12345 ', '12345');
3.result:
SELECT COUNT(*) FROM T850 WHERE T850C = T850VC;
+--------+
| count_ |
+========+
| 1 |
+--------+
4.question:
count should be 2.
----------------------------------------------------------------------
>Comment By: Fabian (mr-meltdown)
Date: 2008-08-26 09:12
Message:
Logged In: YES
user_id=963970
Originator: NO
I think the output is correct. Trailing spaces /are/ included in the
string if it is of type CHAR. If you want to compare to VARCHAR, use LTRIM
or something.
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