how to return correct value of update stmt
Steve Holden
steve at holdenweb.com
Wed Oct 19 04:14:12 EDT 2005
eight02645999 at yahoo.com wrote:
> hi
> i use odbc to update a table in a database but i always get return
> value of -1
> even though i tried to return an integer. the table is updated though
> ...
> sql = """
> update table
> set column = 0
> where col = "%s"
> select @@rowcount
>
> """ % (var1)
> ....
> try:
> s = odbc.odbc(connectstring)
> cur = s.cursor()
> res = cur.execute(sql)
> s.commit()
> s.close()
> cur.close()
> s = None
> cur = None
> print res
> return res
> except:
> print 'error while processing ', sys.exc_type,sys.exc_value
>
>
> how to properly get a positive return ?
> thanks
>
Is the table actually being updated?
The definition of the cursor.execute() method in
http://www.python.org/peps/pep-0249.html
specifically says "Return values are not defined". So if you are seeing
the database do the right thing I'd stop worrying about the return
value. If exceptions aren't being raised and the database is doing what
you want, what's the problem?
regards
Steve
--
Steve Holden +44 150 684 7255 +1 800 494 3119
Holden Web LLC www.holdenweb.com
PyCon TX 2006 www.python.org/pycon/
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