[Zope] MySql problems

[Tino Wildenhain]

Am Donnerstag, den 01.12.2005, 15:45 -0800 schrieb Dennis Allison:
> I have not yet completed differential diagnosis, but I was hoping someone 
> had encountered a similar problem and could pass along a fix/workaround.
> 
> The following program fails to do the writes -- 
> 
> import MySQLdb
> initdb='test'
> dbuser = 'root'
> dbpass = 'XXXXXX'
> host = 'localhost'
> connection = MySQLdb.connect( db=initdb,  user=dbuser, passwd=dbpass, 
> host=host )
> cursor = connection.cursor()
> qd = "delete from test.data"
> cursor.execute(qd)
> qi = "insert into test.data values('ardvark', 'homework') "
> print qi
> cursor.execute( qi)
> q2 = "select * from test.data"
> cursor.execute( q2)
> res = cursor.fetchall()
> print res

I see no connection.commit() there.
Zope always commits (if all successfull)
when a request is done.

> when run with Mysql-Python-1.2.1c under Python 2.4.2, but works just
> find with Mysql-Python-1.1.1 under Python 2.3.5.

This mysql-python-1.1.1 might have something like autocommit
switched on. The readme or changes.txt of both versions
should tell you that.

> The tables are Innodb tables (that is, transactional).
(more or less ;)

> Running Zope with Python 2.4.2 and Mysql-Pyton 1.2.1c works just fine.
> 

Regards
Tino