camper/deploy/to_price.sql

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2023-10-01 19:14:39 +00:00
-- Deploy camper:to_price to pg
-- requires: roles
-- requires: schema_camper
begin;
set search_path to camper, public;
create or replace function to_price(cents integer, decimal_digits integer default 2) returns text as
$$
declare
result text;
scale integer := 10^decimal_digits;
sign text := '';
begin
if cents < 0 then
sign := '-';
cents = -cents;
end if;
result = cents::text;
return sign || (cents / scale)::text || '.' || to_char(mod(cents, scale), rpad('FM', decimal_digits + 2, '0'));
end;
$$
language plpgsql
immutable;
comment on function to_price(integer, integer) is
'Converts the cents to a price representation, without currency and any other separater than decimal.';
revoke execute on function to_price(integer, integer) from public;
grant execute on function to_price(integer, integer) to guest;
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grant execute on function to_price(integer, integer) to employee;
grant execute on function to_price(integer, integer) to admin;
commit;