Adding the line `db._adapter.reconnect()` to the top of the function seems
to have solved the problem. Thanks so much for the help.

On Sun, Feb 4, 2018 at 4:02 AM, LoveWeb2py <atayloru...@gmail.com> wrote:

> Hi Massimo,
>
> Thank you for responding. Do you have an example? I am having the same
> struggle.
>
> Thank you again.
>
> On Sunday, February 4, 2018 at 12:46:08 AM UTC-5, Massimo Di Pierro wrote:
>>
>> I believe the problem is that pydal is designed to not allow db to be
>> shared among multiple threads to avoid concurrency issues. Every thread
>> should make its own db object or, if you pass db around, you should call
>> db.reconnect in each thread.
>>
>> On Saturday, 3 February 2018 22:14:41 UTC-6, jbu...@wgu.edu wrote:
>>>
>>> The attached file contains the code that is generating the error, line 4
>>> specifically is called out in the traceback, but if I comment this line out
>>> I get the same error from the next line that is querying the database. If I
>>> start a web2py shell, I can copy and paste the offending line into the
>>> shell and it returns the expected results, also if I switch the database
>>> back to sqlite everything works as expected.
>>>
>> --
> Resources:
> - http://web2py.com
> - http://web2py.com/book (Documentation)
> - http://github.com/web2py/web2py (Source code)
> - https://code.google.com/p/web2py/issues/list (Report Issues)
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-- 
Jonathan Burkert
Student ID: 744966
BS in Data Management and Data Analytics 2017-10-01
Mentor: Tom Grant
c 717-318-9998 Eastern
jbur...@wgu.edu

-- 
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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