camper/deploy/invoice_product.sql

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-- Deploy camper:invoice_product to pg
-- requires: schema_camper
-- requires: invoice
-- requires: discount_rate
begin;
set search_path to camper, public;
create table invoice_product (
invoice_product_id integer generated by default as identity primary key,
invoice_id integer not null references invoice,
name text not null constraint name_not_empty check(length(trim(name)) > 0),
description text not null default '',
price integer not null,
quantity integer not null default 1,
discount_rate discount_rate not null default 0.0
);
grant select, insert, update, delete on table invoice_product to employee;
grant select, insert, update, delete on table invoice_product to admin;
grant usage on sequence invoice_product_invoice_product_id_seq to employee;
grant usage on sequence invoice_product_invoice_product_id_seq to admin;
alter table invoice_product enable row level security;
create policy company_policy
on invoice_product
using (
exists(
select 1
from invoice
where invoice.invoice_id = invoice_product.invoice_id
)
);
commit;