Wells Oliver <wells.oliver@gmail.com> writes: > Per the documentation -- *dblink fetches the entire remote query result > before returning any of it to the local system* -- I am guessing the answer > is no, but I wondered if there was some way to do something like this: > ... > Where that remote sometable might have a bajillion rows and the local where > would be passed to it
No, and it's unlikely anyone would ever put effort into making dblink do that, because the newer foreign table (FDW) code *does* handle that sort of thing. dblink still has its uses, but it's pretty much at a dead end developmentally. Take a look at postgres_fdw.