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 rows
and an unexpected number of rows were matched during
the UPDATE or DELETE statement. Note that when
version_id_col is used, rows in UPDATE or DELETE statements
are also matched against the current known version
identifier.
* A mapped object with version_id_col was refreshed,
and the version number coming back from the database does
not match that of the object itself.
>
> 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.
We have tests for cursor.rowcount that pass fully using OurSQL. Have you
tried MySQL-python just to check that its not an OurSQL issue ,perhaps a newer
or older version of OurSQL we haven't tested against is in use ? We would
need code + oursql version that illustrates the issue being reproduced.
>
> But when i uses postgresql nothing bad happens and that exactly same
> code and same models work without issues. Is it possible im hitting a
> bug in sa here i did something wrong? Normally i would just assume i
> did some mistake when mapping models, but on postgresql it works like
> a charn... im a bit lost
>
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