>
> Eh, that's something that I think we should be looking at supporting, by
> using FDWs, but I haven't tried to figure out how hard it'd be.
>
How good will that be in performance.
In db2 you can do it using dblinks and that kills performance. isn't FDW something like dblink.
The cool part is that in SQLServer the optimizer recognizes 3 part name and caching works also.