I wrote:
> Andres Freund writes:
>> Looks like a chunk of the buildfarm doesn't like this - presumably because
>> they use force_parallel_mode = regress. Seems ok to just force that to off in
>> this test?
> Ugh ... didn't occur to me to try that. I'll take a look.
Hmm, so the problem is:
SELE
On Mon, Nov 21, 2022 at 12:35 PM Tom Lane wrote:
> I wrote:
> > Andres Freund writes:
> >> Looks like a chunk of the buildfarm doesn't like this - presumably because
> >> they use force_parallel_mode = regress. Seems ok to just force that to off
> >> in
> >> this test?
>
> > Ugh ... didn't occur
Robert Haas writes:
> On Mon, Nov 21, 2022 at 12:35 PM Tom Lane wrote:
>> Hmm, so the problem is:
>>
>> SELECT octet_length(get_raw_page('test1', 'main', 0)) AS main_0;
>> ERROR: cannot access temporary tables during a parallel operation
>>
>> Why in the world is get_raw_page() marked as paral
I wrote:
> I'll check to see if any sibling functions have the same issue,
> and push a patch to adjust them.
> Presumably the parallel labeling has to be fixed as far back as
> it's marked that way (didn't look). Maybe we should push the
> test change further back too, just to exercise this.
Hmm
Hi,
On 2022-11-21 12:52:01 -0500, Robert Haas wrote:
> On Mon, Nov 21, 2022 at 12:35 PM Tom Lane wrote:
> > I wrote:
> > > Andres Freund writes:
> > >> Looks like a chunk of the buildfarm doesn't like this - presumably
> > >> because
> > >> they use force_parallel_mode = regress. Seems ok to ju
Andres Freund writes:
> On 2022-11-21 12:52:01 -0500, Robert Haas wrote:
>> On Mon, Nov 21, 2022 at 12:35 PM Tom Lane wrote:
>>> Why in the world is get_raw_page() marked as parallel safe?
>>> It clearly isn't, given this restriction.
> It's somewhat sad to add this restriction - I've used get_r
On Mon, Nov 21, 2022 at 1:12 PM Tom Lane wrote:
> Andres Freund writes:
> > On 2022-11-21 12:52:01 -0500, Robert Haas wrote:
> >> On Mon, Nov 21, 2022 at 12:35 PM Tom Lane wrote:
> >>> Why in the world is get_raw_page() marked as parallel safe?
> >>> It clearly isn't, given this restriction.
>
Hi,
On 2022-11-21 15:12:15 -0500, Tom Lane wrote:
> If I were trying to find a better fix I'd be looking for ways for
> parallel workers to be able to read the parent's temp tables.
> (Perhaps that could tie in with the blue-sky discussion we had
> the other day about allowing autovacuum on temp t
Andres Freund writes:
> On 2022-11-21 15:12:15 -0500, Tom Lane wrote:
>> If I were trying to find a better fix I'd be looking for ways for
>> parallel workers to be able to read the parent's temp tables.
>> (Perhaps that could tie in with the blue-sky discussion we had
>> the other day about allow
On Mon, 21 Nov 2022 at 15:01, Andres Freund wrote:
>
> It's somewhat sad to add this restriction - I've used get_raw_page() (+
> other functions) to scan a whole database for a bug. IIRC that actually
> did end up using parallelism, albeit likely not very efficiently.
>
> Don't really have a bette
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