Question

I have a working python script which retrieves data from a sqlite3 db. I need to convert it to talk to a mysql db though, and here’s the first line that is giving me grief:

PRODUCT_CODE_ID = "SELECT id FROM localsite_productcode WHERE localsite_productcode.product_code=?"
cur.execute(PRODUCT_CODE_ID,(product_code,))

When I try that with mysql I get the following error:

Traceback (most recent call last):
  File "gen-csv.py", line 85, in <module>
    cur.execute(PRODUCT_CODE_ID,(product_code,))
  File "/usr/lib/pymodules/python2.6/MySQLdb/cursors.py", line 151, in execute
    query = query % db.literal(args)
TypeError: not all arguments converted during string formatting

What am I doing wrong here?

Answer 1

I don’t think the DB API for MySQL supports the ? as a place holder – just try %s instead.