Re: [cx-oracle-users] cx_Oracle 5.2 - more issues, new user

[Mike B. <mi...@zz...>]

OK, to continue this, I have *more* users reporting issues with 
cx_Oracle 5.2 on Python 3 which disappear when they downgrade to 5.1.3.  
At this point I am expecting many more user issues with cx_Oracle 5.2, 
as whether it has something to do with build mis-matches or what, it is 
either a mistake that is suddenly very easy to make by an end user, 
something SQLAlchemy is doing which is suddenly not compatible with 
cx_Oracle 5.2, or a bug in cx_Oracle itself.

For this user, he is receiving random "cannot insert NULL into <some 
schema / table / column>" errors, where the column is different each 
time.  Log output of SQL emitted again shows it emitted as bytestrings 
and the values are definitely present.

This user's log output can be seen in the thread at 
https://groups.google.com/forum/#!topic/sqlalchemy/OTwV1GZwgQo.

Again, if a cx_Oracle developer could come up with a concrete reason why 
these different-seeming errors are suddenly appearing, that would be 
helpful.



On 7/23/15 9:43 PM, Mike Bayer wrote:
>
> On 7/23/15 4:06 PM, Shai Berger wrote:
>> On Thursday 23 July 2015 04:13:20 Mike Bayer wrote:
>>> https://bitbucket.org/zzzeek/sqlalchemy/issues/3491/queryfirst-sometimes-returns-none
>>>
>> The user is running on Windows with Oracle  11.1 client. The first question
>> that comes to mind is, did they compile cx_Oracle themselves? If not,
>> perhaps the issue is caused by running a cx_Oracle compiled against
>> Oracle 11.2 client libs, against a 11.1 client installation?
>>
>> AFAIK you can no longer download 11.1 from Oracle, that version
>> has been EOL'd I think.
> great catch!   I've asked the user for more information, but if I don't
> get a response I'll likely close the issue based on lack of information.
>
>
>
>
>> Shai.
>>
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