Re: [ODBC] [HY000] no error information; Error while preparingparameters

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-memory conditions
>>> 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.

regards,
Hiroshi Inoue

> regards,
> Hiroshi Inoue
>
>>
>> CREATE TABLE core_message (
>>     id int8 NOT NULL DEFAULT nextval('core_message_id_seq'::regclass),
>>     channel_id int8 NOT NULL,
>>     date timestamp(6) NOT NULL,
>>     member_id int8 NOT NULL,
>>     reply_id int8
>> )
>> WITH (OIDS=FALSE);
>>
>> CREATE TABLE core_textmessage (
>>     message_id int8 NOT NULL,
>>     text text NOT NULL
>> )
>> WITH (OIDS=FALSE);
>>
>> INSERT INTO core_textmessage(message_id, text) VALUES(1,
>> ‘Мультибайт’) < This UTF8 text does the «magic» and environment
>> becomes unusable
>> INSERT INTO core_message(channel_id, date, member_id, reply_id)
>> VALUES(25, '2017-02-05 11:01:34', 4, NULL)
>>
>> — Daniil A Megrabyan —
>> phone(telegram, whatsapp, viber) : +79151762470 | skype: danil.megrabyan
>