Comments on: MySQLdb and executemany error “incomplete format”

By: ScW

ScW — Tue, 03 Jun 2008 08:11:08 +0000

updated the post with the “quick and dirty” fix presented on the sourceforge site.

By: Derek

Derek — Mon, 02 Jun 2008 21:15:00 +0000

Just confirming, we are seeing the same thing here, six months after this was posted. Was this ever reported as a bug? What is the current status?

By: Raph

Raph — Fri, 11 Apr 2008 16:23:36 +0000

Hi there,

Yep, same problem with me here…

Did you report it as a bug already?

Can’t see what we are doing wrong, and I did spend quite a lot of time on this issue…

By: Marcin

Marcin — Mon, 10 Mar 2008 04:15:54 +0000

Hey ScW, just wondering if you found a way around this problem. I'm experiencing the same issue. results = [{'test1':'test value 1','test2':'test value 2'}{'test3':'test value 3','test4':'test value 4'}] c.executemany(sqlStringItems,results) Traceback (most recent call last): File "", line 1, in File "/var/lib/python-support/python2.5/MySQLdb/cursors.py", line 217, in executemany self.errorhandler(self, exc, value) File "/var/lib/python-support/python2.5/MySQLdb/connections.py", line 35, in defaulterrorhandler raise errorclass, errorvalue ValueError: incomplete format

By: ScW

ScW — Sat, 19 Jan 2008 22:14:02 +0000

garyl, your suggestion would defeat the purpose of using a dict (i.e. a map) for supplying values. While my example is trivial (2 fields)… how about if you had 10 or 20 values to insert?

By: garyl

garyl — Fri, 18 Jan 2008 01:52:42 +0000

sqlStringItems = “”"INSERT INTO test_table
(test_col_1,test_col_2)
VALUES
(%s, %s);”"”

#and use tuples
args=[('testcol1 data1','testcol2 data1),('testcol1 data2','testcol2 data2)]
res=cur.executemany(sqlStringItems,args)
#this should work for you if not replace the args list of tuples with a tuple of tuples