On Mon, Apr 26, 2010 at 7:45 PM, Norman Khine <nor...@khine.net> wrote: > thanks for the reply. > > On Mon, Apr 26, 2010 at 7:18 PM, Serdar Tumgoren <zstumgo...@gmail.com> wrote: >> >>> user_tables = ['notification', 'userNotification', 'product_comments', >>> 'product_donation_paypalTransaction', 'product_donation', >>> 'productList_recommended', 'productList_user_assoc', >>> 'profile_values'] >>> >>> drop_user_tables = """DROP TABLE IF EXISTS db2.%s""" >>> >>> try: >>> cursor.execute(drop_user_tables, (x for x in user_tables)) >> >> Norman, >> It looks like what you're after is the cursor's "executemany" method, which >> is supported by many common database adapters that comply with DB-API2.0. >> >> If you're using sqlite3, there are more details here: >> >> http://docs.python.org/library/sqlite3.html#sqlite3.Cursor.executemany >> >> In your code, you seem to be trying to loop over the values in the >> user_tables list. I haven't tested this, but instead try simply passing the >> list of user_tables to executemany: >> >> cursor.executemany(drop_user_tables, user_tables) > > i am using MySQLdb, to make changes to a database. >> >> If the above doesn't work or is not available with your database adapter, >> how about just using a simple loop? >> >> for table in user_tables: >> cursor.execute(drop_user_tables, (table,)) > > both ways, i got this error: > > $ py upgrade.py > Error (1064, "You have an error in your SQL syntax; check the manual > that corresponds to your MySQL server version for the right syntax to > use near ''notification'' at line 1") > aqoon:ookoodoo khinester$ py upgrade.py > Error (1064, "You have an error in your SQL syntax; check the manual > that corresponds to your MySQL server version for the right syntax to > use near ''notification'' at line 1") > > but my query, is fine: > > drop_user_tables = """DROP TABLE IF EXISTS db2.%s"""
ok this worked, cursor.execute(drop_user_tables % ",".join(user_tables)) it seems that DROP TABLE (and other DDL statements) don't technically take SQL parameters. > > >> >> >> > _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
