Exponentiation example not clear
Exponentiation example not clear
От:
PG Doc comments form <noreply@postgresql.org>
Дата:
The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/13/functions-math.html Description: 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
Re: Exponentiation example not clear
От:
Tom Lane <tgl@sss.pgh.pa.us>
Дата:
PG Doc comments form 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