23 lines
779 B
PL/PgSQL
23 lines
779 B
PL/PgSQL
-- Deploy camper:invoice_product_amount to pg
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-- requires: schema_camper
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-- requires: invoice_product
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-- requires: invoice_product_tax
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begin;
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set search_path to camper, public;
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create or replace view invoice_product_amount as
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select invoice_product_id
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, round(price * quantity * (1 - discount_rate))::integer as subtotal
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, max(round(price * quantity * (1 - discount_rate))::integer) + coalesce(sum(round(round(price * quantity * (1 - discount_rate))::integer * tax_rate)::integer)::integer, 0) as total
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from invoice_product
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left join invoice_product_tax using (invoice_product_id)
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group by invoice_product_id, price, quantity, discount_rate
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;
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grant select on table invoice_product_amount to employee;
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grant select on table invoice_product_amount to admin;
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commit;
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