The ones described here are all the ones that release 11.22 understands. The left operand type of a commutable operator is the same as the right operand type of its commutator, and vice versa. So the ...
If a commutator operator name is supplied, Postgres searches for it in the catalog. If it is found and it does not yet have a commutator itself, then the commutator's entry is updated to have the ...