On 5. Dec 2021, at 21:32, Daniel Frey wrote:
>
>> On 5. Dec 2021, at 17:01, Tom Lane wrote:
>>
>> Daniel Frey writes:
>>> With all that said, I think that PostgreSQL/libpq should have a clear,
>>> documented way to get rid of a connection that is guaranteed to not hang.
>>> It has something
> On 5. Dec 2021, at 17:01, Tom Lane wrote:
>
> Daniel Frey writes:
>> With all that said, I think that PostgreSQL/libpq should have a clear,
>> documented way to get rid of a connection that is guaranteed to not hang. It
>> has something similar for almost all other methods like opening conne
Daniel Frey writes:
> With all that said, I think that PostgreSQL/libpq should have a clear,
> documented way to get rid of a connection that is guaranteed to not hang. It
> has something similar for almost all other methods like opening connections,
> sending request, retrieving results. Why s
> On 4. Dec 2021, at 22:43, Laurenz Albe wrote:
>
> On Fri, 2021-12-03 at 21:33 +0100, Daniel Frey wrote:
>> But the real issue, at least for me, is PQfinish(). Considering that my
>> application is not
>> allowed to hang (or crash, leak, ...), what should I do in case of a timeout?
>
> I am te
On Fri, 2021-12-03 at 21:33 +0100, Daniel Frey wrote:
> But the real issue, at least for me, is PQfinish(). Considering that my
> application is not
> allowed to hang (or crash, leak, ...), what should I do in case of a timeout?
I am tempted to say that you shouldn't use TCP with the requirement
> On 3. Dec 2021, at 18:14, Tom Lane wrote:
>
> Daniel Frey writes:
>>> On 3. Dec 2021, at 17:00, Laurenz Albe wrote:
>>> On Fri, 2021-12-03 at 11:37 +0100, Daniel Frey wrote:
Is there a complete list of methods that might wait for network
communication?
>
>>> No; you have to read t
Daniel Frey writes:
>> On 3. Dec 2021, at 17:00, Laurenz Albe wrote:
>> On Fri, 2021-12-03 at 11:37 +0100, Daniel Frey wrote:
>>> Is there a complete list of methods that might wait for network
>>> communication?
>> No; you have to read the code.
> I feel that this is insufficient, as the code
> On 3. Dec 2021, at 17:00, Laurenz Albe wrote:
>
> On Fri, 2021-12-03 at 11:37 +0100, Daniel Frey wrote:
>> I need to know which functions of libpq may "hang", depending on network
>> issues. For some functions is
>> seems to be clear, as they only work locally, other functions are clearly
>>
On Fri, 2021-12-03 at 11:37 +0100, Daniel Frey wrote:
> I need to know which functions of libpq may "hang", depending on network
> issues. For some functions is
> seems to be clear, as they only work locally, other functions are clearly
> documented to wait on some
> network interaction. But for
I need to know which functions of libpq may "hang", depending on network
issues. For some functions is seems to be clear, as they only work locally,
other functions are clearly documented to wait on some network interaction. But
for some functions, it is unclear on whether they are guaranteed to
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