我正在关注https://postgrest.org/en/v5.0/auth.html#jwt-from-sql上的教程
我创建了这个函数:
create or replace function
login(email text, pass text) returns basic_auth.jwt_token
language plpgsql
as $$
declare
_role name;
result basic_auth.jwt_token;
begin
-- check email and password
select basic_auth.user_role(email, pass) into _role;
if _role is null then
raise invalid_password using message = 'invalid user or password';
end if;
select sign(
row_to_json(r), 'reallyreallyreallyreallyverysafe'
) as token
from (
select _role as role, login.email as email,
extract(epoch from now())::integer + 60*60 as exp
) r
into result;
return result;
end;
$$;
当我尝试执行登录请求时,我收到以下错误消息:
{ "hint": "没有函数匹配给定的名称和参数类型。您可能需要添加显式类型转换。", "details": null, "code": "42883", "message": "function public.sign (json,未知)不存在”}
我在教程中的任何地方都没有看到符号功能,有人知道这里发生了什么吗?