Hi,
The code bellow throwing error "ObjectDeletedError: Instance 'xxx' has been
deleted." when a exception throwing from "method1".
* Error in line method1(db_obj1.id), db_obj1.id failing.
* The rollback in method1 rollbacking transaction in main_method.
* I want to isolate transaction in main_method from rollback in method1.
Note:
This is first place I am trying to create nested session in my project. In
all other places I am directly using DBSession object like (DBSession.add,
DBSession.query, DBSession.updare, etc----)
==== Code ====
from sqlalchemy.orm import scoped_session, sessionmaker
maker = sessionmaker(autoflush=True, autocommit=False,expire_on_
commit=False,
extension=ZopeTransactionExtension())
zopelessmaker = sessionmaker(autoflush=True, \
autocommit=False, \
expire_on_commit=False)
*DBSession = scoped_session(maker)*
def main_method():
db_obj1 = DBModelclass1("Hello")
DBSession.add(db_obj1)
DBSession.fush()
for x in lst:
try:
method1(db_obj1.id)
excpt Exception, ex:
pass
def method1(id):
try:
* s1 = DBSession()
s1.begin_nested()*
db_obj2 = DBModelclass2("Test")
db_obj2.refname = "name_%s" %(id)
DBSession.add(db_obj2) // I think this is wrong, adding object to
main session
DBSession.fush() // I think this is wrong*
*
if some-codition:
raise Exception("Failedd")
*s1.commit()*
except Exception, ex:
*s1.rollback()*
raise ex
Thanks,
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