"Anton Melser" <melser(dot)anton(at)gmail(dot)com> writes:
>> Too many. You might have to remove the anynonarray || text and
>> text || anynonarray operators if you're going to continue to rely
>> on implicit casts to text.
> Thanks for that. Any chance someone could give me more newbie instructions?
You'd have to do something like
DELETE FROM pg_operator WHERE oprcode = 'anytextcat'::regproc;
since there isn't any higher-level command that will let you delete a
built-in operator.
I recommend practicing on a scratch database ;-)
regards, tom lane