Hi Bruce, Tom,
On Thu, Oct 8, 2020 at 03:43:32PM -0400, Tom Lane wrote:
>> "Daniel Westermann (DWE)" <daniel.westermann@dbi-services.com> writes:
>> >> I was hoping someone more experienced with this would comment, but
>> >> seeing none, I will apply it in a day or two to all supported versions?
>> >> Have you tested this output back to 9.5?
>>
>> > I hoped that as well. No, I tested down to 9.6 because the change happened in 10.
>>
>> The patch assumes that parallel query is enabled, which is not true by
>> default before v10, so it should certainly not be applied before v10
>> (at least not without significant revisions).
Yes, the behavior change was in 10. Before 10 the example is fine, I would not apply that to any prior version,
otherwisethe whole example needs to be rewritten.
Regards
Daniel
