On Fri, Oct 13, 2017 at 8:49 AM, Seamus Abshere <sea...@abshere.net> wrote:
> Theoretically / blue sky, could there be a table or column type that > transparently handles "shared strings" like this, reducing size on disk > at the cost of lookup overhead for all queries? > > (I guess maybe it's like TOAST, but content-hashed and de-duped and not > only for large objects?) > Row-independence is baked into PostgreSQL pretty deeply... I think an enum type is about as close are you are likely to get if you don't wish to setup your own foreign-key relationships with surrogate keys. David J.