Re: [Python-sybase-misc] select into and v.039

[Stephen M. <mo...@gm...>]

Ah, yes, that seems to have worked as one would expect with the raw
sql.  Should this check be enriched for the next version perhaps?


On Thu, Jun 19, 2008 at 10:20 AM, Sébastien Sablé
<sa...@us...> wrote:
> Great, now can you try the following code (adding select=False at the end of
> execute):
>
> import apresdb
> c2 = apresdb.instance.cursor()
> c2.execute("select iv0.ProdId, iv0.Account, iv0.StartPos, iv0.CurrPos,
> sum(iv1.StartPos) 'SumStartPos', sum(iv1.CurrPos) 'SumCurrPos' into
> tempdb..a_sum from  PortfolioInv iv0, PortfolioInv iv1 where iv1.ProdId =
> iv0.ProdId", select=False)
>
>
> In python-sybase 0.39, the execute will activate the use of sybase cursors
> (ct_cursors) instead of commands when the request starts with "select".
>
> This is done because ct_cursor is the only way I know in Sybase to overlap
> requests, for example doing an update while retrieving the results of a
> select.
>
> The test which decide if we use a ct_cursor or not should probably be
> enriched.
>
> --
> Sébastien Sablé
>
>
> Stephen Mock a écrit :
>>
>> Ok, i did that and reinstalled version 3.9.  I'm still getting the
>> same error, but the traceback is definitely different.  Here's the
>> newest version of the error:
>>
>>>>> import apresdb
>>>>> c2 = apresdb.instance.cursor()
>>>>> c2.execute("select iv0.ProdId, iv0.Account, iv0.StartPos, iv0.CurrPos,
>>>>> sum(iv1.StartPos) 'SumStartPos', sum(iv1.CurrPos) 'SumCurrPos' into
>>>>> tempdb..a_sum from  PortfolioInv iv0, PortfolioInv iv1 where iv1.ProdId =
>>>>> iv0.ProdId")
>>
>> Traceback (most recent call last):
>>  File "<stdin>", line 1, in ?
>>  File "build/bdist.linux-x86_64/egg/Sybase.py", line 546, in execute
>>  File "build/bdist.linux-x86_64/egg/Sybase.py", line 695, in _start
>>  File "build/bdist.linux-x86_64/egg/Sybase.py", line 709, in _mainloop
>>  File "build/bdist.linux-x86_64/egg/Sybase.py", line 753, in _raise_error
>> Sybase.DatabaseError: Msg 3803, Level 16, State 1, Line 1
>> The statement used to define the cursor 'ctmp2a98a1e560' is neither a
>> SELECT nor an EXECUTE.
>>
>>
>>
>> On Thu, Jun 19, 2008 at 4:02 AM, Sébastien Sablé
>> <sa...@us...> wrote:
>>>
>>> Hi Stephen,
>>>
>>> are you sure that you are using python-sybase 0.39?
>>>
>>> sable@incubus:~/sybase/python-sybase-0.39$ grep -r _LAZY_END_RESULT *
>>> sable@incubus:~/sybase/python-sybase-0.39$
>>>
>>> I think your backtrace corresponds to a prior version of python-sybase.
>>>
>>> This may be linked to the use of setuptools in python-sybase 0.39.
>>> Setuptools will install a python_sybase-0.39-py2.4-linux-i686.egg file in
>>> your site-package, but not remove the old python-sybase files.
>>>
>>> I think this could be solved by removing in
>>> /apps/python/lib/python2.4/site-packages/
>>> the following files:
>>> Sybase.pyc
>>> Sybase.py
>>> sybasect*
>>>
>>> and then reinstalling version 0.39.
>>>
>>> Then we can see if there is still a problem.
>>>
>>> regards
>>>
>>> --
>>> Sébastien Sablé
>>>
>>> Stephen Mock a écrit :
>>>>
>>>> I recently upgraded to version .039 from .037 and am having a problem
>>>> with some basic sql.  It should create a temp table on the fly for me
>>>> to select from, but i get an error caused by the "select ... into"
>>>> statement.  It works perfectly fine with the older version.  Here's
>>>> the code:
>>>>
>>>>>>> import apresdb
>>>>>>> c2 = apresdb.instance.cursor()
>>>>>>> c2.execute("select iv0.ProdId, iv0.Account, iv0.StartPos,
>>>>>>> iv0.CurrPos,
>>>>>>> sum(iv1.StartPos) 'SumStartPos', sum(iv1.CurrPos) 'SumCurrPos' into
>>>>>>> tempdb..a_sum from  PortfolioInv iv0, PortfolioInv iv1 where
>>>>>>> iv1.ProdId =
>>>>>>> iv0.ProdId")
>>>>
>>>> Traceback (most recent call last):
>>>>  File "<stdin>", line 1, in ?
>>>>  File "/apps/python/lib/python2.4/site-packages/Sybase.py", line 546,
>>>> in execute
>>>>  self._set_state(_LAZY_END_RESULT)
>>>>  File "/apps/python/lib/python2.4/site-packages/Sybase.py", line 695, in
>>>> _start
>>>>  if self._closed:
>>>>  File "/apps/python/lib/python2.4/site-packages/Sybase.py", line 709,
>>>> in _mainloop
>>>>  # Send parameters.
>>>>  File "/apps/python/lib/python2.4/site-packages/Sybase.py", line 753,
>>>> in _raise_error
>>>>  raise ProgrammingError('cursor is closed')
>>>> Sybase.DatabaseError: Msg 3803, Level 16, State 1, Line 1
>>>> The statement used to define the cursor 'ctmp2a956073b0' is neither a
>>>> SELECT nor an EXECUTE.
>>>>
>>>>
>>>>
>>>> Any help would be greatly appreciated.
>>>>
>>>>
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>
>