Heikki,
HT> check by other queries whether it is the table which contains a
HT> duplicate row, or if the SELECT gives a wrong answer.
HT> Check what
HT> SELECT * FROM ... WHERE symbole='1rPFTE';
HT> returns.
Really strange :
mysql> select * from livequote_last_PAR where symbole='1rPFTE' order by id desc;
+---------+-------+---------------------+----------+--------+
| symbole | id | date | last | volume |
+---------+-------+---------------------+----------+--------+
| 1rPFTE | 33548 | 2001-04-25 13:54:43 | 78.55000 | 37 |
| 1rPFTE | 33547 | 2001-04-25 13:54:30 | 78.55000 | 40 |
| 1rPFTE | 33546 | 2001-04-25 13:54:19 | 78.55000 | 300 |
| 1rPFTE | 33545 | 2001-04-25 13:54:09 | 78.55000 | 61 |
| 1rPFTE | 33544 | 2001-04-25 13:54:09 | 78.55000 | 9 |
| 1rPFTE | 33543 | 2001-04-25 13:53:37 | 78.55000 | 968 |
| 1rPFTE | 33542 | 2001-04-25 13:53:37 | 78.60000 | 482 |
| 1rPFTE | 33541 | 2001-04-25 13:53:37 | 78.65000 | 950 |
| 1rPFTE | 33540 | 2001-04-25 13:53:30 | 78.70000 | 152 |
| 1rPFTE | 33539 | 2001-04-25 13:53:06 | 78.65000 | 1700 |
+---------+-------+---------------------+----------+--------+
10 rows in set (0.00 sec)
Then I see in the logs of my prog that it does :
UPDATE livequote_last_PAR SET date=concat(CURDATE(), '
13:58:17'),last=78.550000,volume=20,id=33549 WHERE symbole='1rPFTE' AND id=33539
And then
mysql> select * from livequote_last_PAR where symbole='1rPFTE';
+---------+-------+---------------------+----------+--------+
| symbole | id | date | last | volume |
+---------+-------+---------------------+----------+--------+
| 1rPFTE | 33549 | 2001-04-25 13:58:17 | 78.55000 | 20 |
| 1rPFTE | 33540 | 2001-04-25 13:53:30 | 78.70000 | 152 |
| 1rPFTE | 33541 | 2001-04-25 13:53:37 | 78.65000 | 950 |
| 1rPFTE | 33542 | 2001-04-25 13:53:37 | 78.60000 | 482 |
| 1rPFTE | 33543 | 2001-04-25 13:53:37 | 78.55000 | 968 |
| 1rPFTE | 33544 | 2001-04-25 13:54:09 | 78.55000 | 9 |
| 1rPFTE | 33545 | 2001-04-25 13:54:09 | 78.55000 | 61 |
| 1rPFTE | 33546 | 2001-04-25 13:54:19 | 78.55000 | 300 |
| 1rPFTE | 33547 | 2001-04-25 13:54:30 | 78.55000 | 40 |
| 1rPFTE | 33548 | 2001-04-25 13:54:43 | 78.55000 | 37 |
| 1rPFTE | 33549 | 2001-04-25 13:58:17 | 78.55000 | 20 |
+---------+-------+---------------------+----------+--------+
11 rows in set (0.00 sec)
mysql> select * from livequote_last_PAR where symbole='1rPFTE' order by id desc;
+---------+-------+---------------------+----------+--------+
| symbole | id | date | last | volume |
+---------+-------+---------------------+----------+--------+
| 1rPFTE | 33549 | 2001-04-25 13:58:17 | 78.55000 | 20 |
| 1rPFTE | 33549 | 2001-04-25 13:58:17 | 78.55000 | 20 |
| 1rPFTE | 33548 | 2001-04-25 13:54:43 | 78.55000 | 37 |
| 1rPFTE | 33547 | 2001-04-25 13:54:30 | 78.55000 | 40 |
| 1rPFTE | 33546 | 2001-04-25 13:54:19 | 78.55000 | 300 |
| 1rPFTE | 33545 | 2001-04-25 13:54:09 | 78.55000 | 61 |
| 1rPFTE | 33544 | 2001-04-25 13:54:09 | 78.55000 | 9 |
| 1rPFTE | 33543 | 2001-04-25 13:53:37 | 78.55000 | 968 |
| 1rPFTE | 33542 | 2001-04-25 13:53:37 | 78.60000 | 482 |
| 1rPFTE | 33541 | 2001-04-25 13:53:37 | 78.65000 | 950 |
| 1rPFTE | 33540 | 2001-04-25 13:53:30 | 78.70000 | 152 |
+---------+-------+---------------------+----------+--------+
11 rows in set (0.01 sec)
After other updates, the duplicated line disappears :
mysql> select * from livequote_last_PAR where symbole='1rPFTE' order by id desc;
+---------+-------+---------------------+----------+--------+
| symbole | id | date | last | volume |
+---------+-------+---------------------+----------+--------+
| 1rPFTE | 33551 | 2001-04-25 14:00:46 | 78.60000 | 4 |
| 1rPFTE | 33550 | 2001-04-25 14:00:45 | 78.60000 | 2000 |
| 1rPFTE | 33549 | 2001-04-25 13:58:17 | 78.55000 | 20 |
| 1rPFTE | 33548 | 2001-04-25 13:54:43 | 78.55000 | 37 |
| 1rPFTE | 33547 | 2001-04-25 13:54:30 | 78.55000 | 40 |
| 1rPFTE | 33546 | 2001-04-25 13:54:19 | 78.55000 | 300 |
| 1rPFTE | 33545 | 2001-04-25 13:54:09 | 78.55000 | 61 |
| 1rPFTE | 33544 | 2001-04-25 13:54:09 | 78.55000 | 9 |
| 1rPFTE | 33543 | 2001-04-25 13:53:37 | 78.55000 | 968 |
| 1rPFTE | 33542 | 2001-04-25 13:53:37 | 78.60000 | 482 |
+---------+-------+---------------------+----------+--------+
10 rows in set (0.00 sec)
I didn't noticed this problem with Mysql-3.23.36. I will try to
downgrade to 3.23.36 in order to see if I have the problem.
Alex.
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