create table methods (
  key text primary key not null,
  created_at timestamptz not null default now()
);

insert into methods (key) values ('GET');
insert into methods (key) values ('PUT');
insert into methods (key) values ('POST');
insert into methods (key) values ('PATCH');
insert into methods (key) values ('DELETE');
insert into methods (key) values ('COPY');
insert into methods (key) values ('HEAD');
insert into methods (key) values ('OPTIONS');
insert into methods (key) values ('LINK');
insert into methods (key) values ('UNLINK');
insert into methods (key) values ('PURGE');
insert into methods (key) values ('LOCK');
insert into methods (key) values ('UNLOCK');
insert into methods (key) values ('PROPFIND');
insert into methods (key) values ('VIEW');