On 6/8/18, 2:21 PM, "Andres Freund" wrote:
Not sure I quite understand what you mean. You're thinking of the case
where you're processing rows one-by-one with a cursor? Or that a single
spi call takes a long while to process the query?
The former, I believe. One example (lightly obfus
Andres Freund writes:
> Either way, I'm not convinced that handling query cancels in isolation
> is really the right thing. I think pretty much all forms of interrupt
> would need to be processed, not just cancels.
+1
regards, tom lane
On 2018-06-08 19:16:49 +, Peter Da Silva wrote:
> On 6/8/18, 1:12 PM, "Andres Freund" wrote:
> I'm not terribly opposed to this, but I wonder if the much more
> pragmatic solution is to just occasionally call a database function that
> checks this? You could just run SELECT 1 occa
On 6/8/18, 1:12 PM, "Andres Freund" wrote:
I'm not terribly opposed to this, but I wonder if the much more
pragmatic solution is to just occasionally call a database function that
checks this? You could just run SELECT 1 occasionally :/
After further discussion with our team:
Would
On 2018-06-08 14:41:41 -0400, Tom Lane wrote:
> Andres Freund writes:
> > On 2018-06-08 18:08:14 +, Peter Da Silva wrote:
> >> There is a C-level variable QueryCancelPending that can be used to
> >> monitor for this case, but it’s not visible at the pl/tcl scripting
> >> level. This is a simpl
On 6/8/18, 1:12 PM, "Andres Freund" wrote:
I'm not terribly opposed to this, but I wonder if the much more
pragmatic solution is to just occasionally call a database function that
checks this? You could just run SELECT 1 occasionally :/
That seems to work, and I suppose in most c
Andres Freund writes:
> On 2018-06-08 18:08:14 +, Peter Da Silva wrote:
>> There is a C-level variable QueryCancelPending that can be used to
>> monitor for this case, but it’s not visible at the pl/tcl scripting
>> level. This is a simple new command that returns the current state of
>> this
Hi,
On 2018-06-08 18:08:14 +, Peter Da Silva wrote:
> We have occasional need to run very long-running pl/tcl scripts. If
> the request is cancelled (say, by the user hitting ^c in psql) the
> server-side script still runs to completion.
>
> There is a C-level variable QueryCancelPending tha
We have occasional need to run very long-running pl/tcl scripts. If the request
is cancelled (say, by the user hitting ^c in psql) the server-side script still
runs to completion.
There is a C-level variable QueryCancelPending that can be used to monitor for
this case, but it’s not visible at t