Hi, On 2019-11-27 14:33:42 +0300, Konstantin Knizhnik wrote: > I wonder how it is possible to prohibit parallel scan for the external > storage accessed through tableam? > For example if I want to implement specialized tableam for fast access to > temp tables, how can I inform optimizer that > parallel scan is not possible (because table data is local to the backend)?
I don't think there currently is a good way to do so - but it shouldn't be hard to add that capability. Greetings, Andres Freund