Stefan Fehrenbach writes:
> I'm interested in the rules that Postgres uses to avoid joins. Are
> these documented somewhere? If I had to look at the source code, where
> would I start?
src/backend/optimizer/plan/analyzejoins.c
> They don't seem to match my intuition about which joins
> could be
Hey all!
I'm interested in the rules that Postgres uses to avoid joins. Are
these documented somewhere? If I had to look at the source code, where
would I start? They don't seem to match my intuition about which joins
could be avoided. Then again, it's quite possible that I'm wrong and
misundersta
