> 5 февр. 2017 г., в 23:58, Inoue, Hiroshi <h-inoue@dream.email.ne.jp> написал(а):
>
> On 2017/02/05 22:03, Inoue, Hiroshi wrote:
>>
>>
>> On 2017/02/05 17:30, Daniil Megrabyan wrote:
>>>> 5 февр. 2017 г., в 11:20, Inoue, Hiroshi <h-inoue@dream.email.ne.jp> написал(а):
>>>>
>>>> This means
>>>> pgres = PQprepare(conn->pqconn, plan_name, query, num_params, paramTypes);
>>>> returns a null pointer.
>>>> https://www.postgresql.org/docs/9.6/static/libpq-exec.html says
>>>> Returns a PGresult pointer or possibly a null pointer. A non-null pointer will generally be returned except in
out-of-memoryconditions
>>>> or serious errors such as inability to send the command to the server.
>>> I believe, you can reproduce by your own.
>>
>> I tried on Windows and Linux but can't reproduce the case.
>> I have no mac Environment unfortunately.
>
> I recommend you to check the server log.
> I now doubt your program really calls PQprepare() in libpq.
I have moved everything to Ubuntu and can confirm that no errors are appeared.
I’m wondering how it will be on other machines from BSD stack like FreeBSD.
— Daniil A Megrabyan —