Newbie problem inserting into MySQL

[Edwin.Madari at VerizonWireless.com]

> -----Original Message-----
> From: python-list-bounces+edwin.madari=verizonwireless.com at python.org
> [mailto:python-list-bounces+edwin.madari=verizonwireless.com at p
> ython.org]
> On Behalf Of len
> Sent: Monday, August 18, 2008 11:55 AM
> To: python-list at python.org
> Subject: Newbie problem inserting into MySQL
> 
> 
> Hi All
> 
> I have started a little pet project to learn python and MySQL.  The
> project involves figuring out all the combinations for a 5 number
> lottery and storing the data in a MySQL file.
> 
> The file looks like this;
> +----------+---------------------+------+-----+---------
> +----------------+
> | Field    | Type                | Null | Key | Default |
> Extra          |
> +----------+---------------------+------+-----+---------
> +----------------+
> | lottryid | int(11)             | NO   | PRI | NULL    |
> auto_increment |
> | lottryno | char(10)            | YES  |     | NULL
> |                |
> | no1      | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | no2      | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | no3      | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | no4      | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | no5      | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | nosum    | tinyint(3) unsigned | NO   |     | NULL
> |                |
> | nohits   | int(10) unsigned    | YES  |     | NULL
> |                |
> +----------+---------------------+------+-----+---------
> +----------------+
> 
> The code looks as follows;
> #!/usr/lib/env python
> 
> import MySQLdb
> import datetime
> 
> db = MySQLdb.Connection(host="localhost", user="lenyel",
> passwd="lsumnler", \
> db="lottery")
> 
> cursor = db.cursor()
> 
> cursor.execute('delete from littlelottery')
> 
> listofrec = []
> 
> tupcnt = 0
> print "first tuple created"
> for a in xrange(1,36):
>     for b in xrange(2,37):
>         for c in xrange(3,38):
>             for d in xrange(4,39):
>                 for e in xrange(5,40):
>                     tupcnt += 1
>                     thekey = ('%02i%02i%02i%02i%02i' % (a,b,c,d,e))
>                     mysum = a + b + c + d + e
>                     rectuple = tupcnt, thekey, a, b, c, d, e, mysum, 0
>                     listofrec.append(rectuple)
>                     if tupcnt % 10000 == 0:
>                         print "beginnign of mysql write"
>                         print datetime.datetime.now().time()
>                         cursor.executemany('''insert into
> littlelottery
>                         values (?,?,?,?,?,?,?,?,?)''', listofrec)
>                         db.close()
>                         print "end of mysql write"
>                         print datetime.datetime.now().time()
>                         os._exit()
> 
> print "insert into mysql completed"
> 
> i get the following error on insert;
> raise errorclass, errorvalue
> TypeError: not all arguments converted during string formatting
> Script terminated.
> 
> Do I have to covert all of the fields in the tuple records to string
> or what?
> 
> Len Sumnler
> --
> http://mail.python.org/mailman/listinfo/python-list
> 

statement prepared first and executed many times with exectemany - db API http://www.python.org/dev/peps/pep-0249/ 
inline statemets can be exeucuted only.

hope that helps
Edwin



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