create extension if not exists "pgcrypto" with schema "public" version '1.3';

set check_function_bodies = off;

CREATE OR REPLACE FUNCTION public.hash_text(plain text)
 RETURNS hashed_text
 LANGUAGE plpgsql
 IMMUTABLE
AS $function$
begin
  return row(crypt(plain, gen_salt('bf')));
end;
$function$
;

CREATE OR REPLACE FUNCTION public.hashed_text_matches(plain text, hashed hashed_text)
 RETURNS boolean
 LANGUAGE plpgsql
 IMMUTABLE
AS $function$
begin
 return hashed_text_string(hashed) = crypt(plain, hashed_text_string(hashed));
end;
$function$
;

CREATE OR REPLACE FUNCTION public.hashed_text_string(hashed hashed_text)
 RETURNS text
 LANGUAGE sql
 IMMUTABLE
AS $function$select (hashed.hashed);$function$
;