Re: Support Parallel Query Execution in Executor

"Jonah H. Harris" <jonah.harris@gmail.com> writes:
> The reader-like processes or "execution agents", whatever you want to
> call them, are limited to the postgres database only because they've
> been coded that way... but there's nothing that actually restricts
> them from being used for any database.

Oh?  Anything much above the level of bufmgr is going to be dependent on
relcache, syscache, etc, and those are all definitely database-specific.
You can't just retarget a backend to operate in another database, at
least not without major changes in that infrastructure.
        regards, tom lane