PG Doc comments form <noreply(at)postgresql(dot)org> writes:
> Quoting the docs:
> Exponentiation (unlike typical mathematical practice, multiple uses of ^
> will associate left to right)
> 2 ^ 3 → 8
> 2 ^ 3 ^ 3 → 512
> You could probably add
> 2 ^ (3 ^ 3) → 134217728 # 2 ^27
Seems reasonable, done at
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=7fa1e1ef741964eeb50f33d7c72622658bb7e5f4
regards, tom lane