MySQLdb insert fails on one table

Sells, Fred fred at
Fri Jun 1 17:48:04 CEST 2007

I have this table

mysql> describe valid_individuals;
| Field | Type         | Null | Key | Default | Extra |
| fname | varchar(30)  | YES  |     | NULL    |       |
| lname | varchar(30)  | YES  |     | NULL    |       |
| alias | varchar(30)  | YES  |     | NULL    |       |
| email | varchar(100) | YES  |     | NULL    |       |

I call this function

    def insertRecords(self, tablename, columnnames, values, clear=True):
        cursor = self.Connection.cursor()
        sql = "INSERT INTO %s (%s) VALUES (%s)"  % (tablename,
','.join(columnnames), ','.join(['%s' for x in columnnames]))
        print >>sys.stderr, sql, values[:3]
        cursor.executemany(sql, values)
which prints:
INSERT INTO valid_individuals (fname,lname,alias,email) VALUES (%s,%s,%s,%s)
[['xxxx', 'yyyy', 'zzzzz', 'aaaaaa']]

this function works fine for several other tables, but on this one I get no
errors and there is nothing in the table.  If I run the equivalent insert on
the command line, it's just fine.

I'm lost here; Python 2.4.4 and latest MySQLdb for 2.4.4;  anyone got a

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