Peter Eisentraut <peter_e@gmx.net> writes:
> Tom Lane writes:
>> case 1: "immutable"
>> case 2: "mutable", or perhaps "stable"
>> case 3: "volatile"
> Since they've changed anyway, how about dropping the silly "is" in front
> of the names?
"volatile" would conflict with a C keyword. Possibly we could get away
with this at the SQL level, but I was worried...
regards, tom lane