Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> I don't advocate changing that ERROR to anything else. The message
> wording, as Tom says, can easily be changed -- I think this patch should
> be enough. Feel free to propose better wording.
Minor gripe: all three variants of the message should follow the same
sentence construction. So perhaps "canceling autovacuum task".
Other than the wording issue, this seems about the right fix to me.
regards, tom lane