MySql

miker2 at optusnet.com.au miker2 at optusnet.com.au
Thu Jul 27 03:52:12 EDT 2006


John Machin wrote:
> miker2 at optusnet.com.au wrote:
> > HI,
> >
> > I'm having trouble writing to a MySql db using python and the MySQLdb
> > module. Here is the code:
> >
> > import MySQLdb
> > base = MySQLdb.connect(host="localhost", user="blah", passwd="blah",
> > db="test_py")
> > cursor = base.cursor()
> > cursor.execute("INSERT INTO table (field) VALUES (int)")
>
> I've never used MySQL but they're all much the same --
> "table" is a reserved word. What is "int" supposed to be? That's not
> valid SQL AFAIK. Is that exactly what you typed? Or are you coyly
> obfuscating?
>
> Try this:
>     cursor.execute("INSERT INTO tablename (fieldname) VALUES (42)")
> or better,
>     somevar = 42
>     cursor.execute("INSERT INTO tablename (fieldname) VALUES (?)",
> (somevar,))
> even better, read the docs and look at the examples :-)
>
>
> >
> > this does not work
>
> ... and the error message was ... what? If it's not a state secret, how
> about divulging it?
>
>
> > but the interesting thing is, there is an
> > AUTO_INCREMENT
> > field. Now say i had a couple of entries in there already:
> >                                    auto  table
> >                                     1    |    90
> >                                     2    |    32
> >
> > and then i run my py script 3 times, the data is not entered but if i
> > add
> > another entry from mysql the auto increment field will have counted the
> >
> > python entries:
> >                        auto    table
> >                          1    |    90
> >                          2    |    32
> >                          6    |    47
>
> Evidently it's committed the auto increment before it decides that it
> doesn't like your SQL or whatever. Read the warranty card that came
> with the autoincrementer gizmoid; you won't find "continuous" or "no
> gaps" mentioned anywhere.
>
> > please tell me what i am doing wrong.
>
> Inter alia, not giving enough clear unambiguous info about what your
> problem really is.
>
> Cheers,
> John


sorry guys...

forget about the auto incrementer for a second.

the entry is not being recorded. that is my problem. the script does
not work. thanks.




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