ConcurrentModificationError: Deleted rowcount 0 does not match number
of objects deleted...
I create my schema from models using create_all() - now , the problem
is i get this error only using mysql or mysql+oursql. It happens every
time in one place of my code.
But when i uses postgresql
On Aug 21, 2010, at 7:45 AM, Ergo wrote:
ConcurrentModificationError: Deleted rowcount 0 does not match number
of objects deleted...
for clarity, this error has been renamed to StaleDataError.Here is the
docstring coming up in 0.6.4:
* A flush may have attempted to update or delete
Hi all,
Someone knows what this error mean?
...
File
/home/ve/sfera/release/sicer/BASE/model/anagraficaAlta/unita_aziendale.py,
line 154, in aggiorna_capi_bovini
x.flush()
File
/home/ve/lib/python2.5/site-packages/SQLAlchemy-0.3.10-py2.5.egg/sqlalchemy/ext/assignmapper.py,
line 20, in
I'm getting this: ConcurrentModificationError: updated rowcount 0 does not
match number of objects updated 1 when I try to commit a simple deletion.
I'm using Sqlite locally but the error also occurs on a Postgres database
in a live environment with only ONE user connected.
I saw this post from
On Dec 2, 2009, at 5:46 PM, Dave Paola wrote:
I'm getting this: ConcurrentModificationError: updated rowcount 0 does not
match number of objects updated 1 when I try to commit a simple deletion.
I'm using Sqlite locally but the error also occurs on a Postgres database in
a live
Indeed, I do have TaskTags mapped to it's own class. However, I never
explicitly delete any TaskTag object, only create them.
In any case, what would the preferred way to add a new tag to a task (a new
entry in the association table)? I was using the ORM to just create a new
instance of TaskTag
Dave Paola wrote:
Indeed, I do have TaskTags mapped to it's own class. However, I never
explicitly delete any TaskTag object, only create them.
In any case, what would the preferred way to add a new tag to a task
(a new entry in the association table)? I was using the ORM to just
create a
I am getting this error on a session.flush().
sqlalchemy.orm.exc.ConcurrentModificationError: Updated rowcount 0 does
not match number of objects updated 1
and can't figure out where to start looking.
The database is sqlite, there are no other users connected to the database,
and only one
When I execute this piece of code using a transactional, autoflushing
session against SQLite, I get a ConcurrentModificationError on the
final select:
--
from sqlalchemy import *
from sqlalchemy.orm import *
eng = create_engine('sqlite://')
sm = sessionmaker(autoflush=True,
ConcurrentModificationError: Deleted rowcount 3 does not match number
of objects deleted 1
raised by this code:
with Session() as session:
dl = session.merge(dl)
session.delete(dl)
There are no other sessions alive, so how can that possibly be a
concurrent
Guys,
I am using SA with MySQL. I am trying to update a record by making a call to
session.update(obj). In response I am getting ConcurrentModificationError:
Updated rowcount 0 does not match number of objects updated 1
What are the possible reasons for this error?
--
Cheers,
- A
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