Re: C++ interface problem with libpq.so.3

Kemin Zhou writes:
> I have writte a simple program to access PGDB from a C++ program using
> the libpq++-4.0
> Most of time it runs perfect. This morning, it was working fine. Then
> later it stopped working.
> The symptom is that my program went to asleep.

Looks to me like it's just waiting for a response from the backend. I'd
suggest looking into what the backend is doing. I doubt you have an
"interface" problem at all...

regards, tom lane

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Re: C++ interface problem with libpq.so.3

Tom Lane wrote:

>Kemin Zhou writes:
>
>
>>I have writte a simple program to access PGDB from a C++ program using
>>the libpq++-4.0
>>Most of time it runs perfect. This morning, it was working fine. Then
>>later it stopped working.
>>The symptom is that my program went to asleep.
>>
>>
>
>Looks to me like it's just waiting for a response from the backend. I'd
>suggest looking into what the backend is doing. I doubt you have an
>"interface" problem at all...
>
> regards, tom lane
>
>
>
I figured out my problem. I gave a BEGIN; command and forgot to type
COMMIT or ROLLBACK.
The access to this table is blocked. So my front end went to sleep
(waiting for ever). Hope this may
be useful to other people.

Kemin



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