ALTER OPERATOR $name$ ( { $left_type$ | NONE } , $right_type$ )
    OWNER TO { $new_owner$ | CURRENT_ROLE | CURRENT_USER | SESSION_USER }

ALTER OPERATOR $name$ ( { $left_type$ | NONE } , $right_type$ )
    SET SCHEMA $new_schema$

ALTER OPERATOR $name$ ( { $left_type$ | NONE } , $right_type$ )
    SET ( { RESTRICT = { $res_proc$ | NONE }
    | JOIN = { $join_proc$ | NONE }
    } [ , ... ] )
