34 lines
794 B
SQL
34 lines
794 B
SQL
CREATE TYPE "PaymentMethod" AS ENUM (
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'pay_u',
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'payment_on_the_spot'
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);
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CREATE TYPE "ShoppingCartState" AS ENUM (
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'active',
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'closed'
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);
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CREATE TYPE "QuantityUnit" AS ENUM (
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'g',
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'dkg',
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'kg',
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'piece'
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);
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CREATE TABLE shopping_carts (
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id serial NOT NULL,
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buyer_id integer NOT NULL,
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payment_method "PaymentMethod" DEFAULT 'payment_on_the_spot'::"PaymentMethod" NOT NULL,
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state "ShoppingCartState" DEFAULT 'active'::"ShoppingCartState" NOT NULL,
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checkout_notes text
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);
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CREATE TABLE shopping_cart_items (
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id serial NOT NULL,
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product_variant_id integer NOT NULL,
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shopping_cart_id integer,
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quantity integer DEFAULT 0 NOT NULL,
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quantity_unit "QuantityUnit" NOT NULL,
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CONSTRAINT positive_quantity CHECK ((quantity >= 0))
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);
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