Oleg Bartunov <obartunov@postgrespro.ru> writes:
> Attached is a small patch, which documents the maximum size of
> json[b] types. Probably, it's worth to patch previous releases, where
> the types were introduced.
If you said "maximum size is 1GB", period, I'd believe it ... although
I'm pretty sure that general limitation is already documented elsewhere.
I don't believe that it's possible to make a 256 Gb jsonb. How will
that fit in the varlena header?
regards, tom lane