117 lines
No EOL
3.8 KiB
SQL
117 lines
No EOL
3.8 KiB
SQL
PRAGMA foreign_keys = OFF;
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-- Drop everything...
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DROP TABLE IF EXISTS pallets;
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DROP TABLE IF EXISTS raw_materials_deliveries;
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DROP TABLE IF EXISTS raw_materials;
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DROP TABLE IF EXISTS orders;
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DROP TABLE IF EXISTS customers;
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DROP TABLE IF EXISTS cookies;
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--------------------------------------------
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-- Recipe/Cookie related tables
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--------------------------------------------
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-- Holds the different types of cookies we can make.
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CREATE TABLE IF NOT EXISTS cookies (
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cookie_id INTEGER PRIMARY KEY,
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cookie_name VARCHAR(50) NOT NULL UNIQUE
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);
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-- Our known customers, may need more fields
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CREATE TABLE IF NOT EXISTS customers (
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customer_id INTEGER PRIMARY KEY,
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customer_name VARCHAR(50) NOT NULL,
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customer_address VARCHAR(50) NOT NULL
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);
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-- Orders from customers.
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CREATE TABLE IF NOT EXISTS orders (
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order_id INTEGER PRIMARY KEY,
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customer_id INT NOT NULL,
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cookie_id INT NOT NULL,
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order_date DATE NOT NULL DEFAULT CURRENT_DATE CHECK (order_date >= CURRENT_DATE),
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FOREIGN KEY (customer_id) REFERENCES customers(customer_id),
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FOREIGN KEY (cookie_id) REFERENCES cookies(cookie_id)
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);
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--------------------------------------------
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-- Raw materials, ingredients and recipes
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--------------------------------------------
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-- Notes: the unit type can be defined in terms
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-- of volume or weight instead. Here we choose
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-- to use static si-prefixes in relevant tables.
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-- What types of ingredients do we handle.
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-- Not currently used, but kept as an example.
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CREATE TABLE IF NOT EXISTS ingredients (
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ingredient_id INTEGER PRIMARY KEY,
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ingredient_name VARCHAR(50) NOT NULL UNIQUE,
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preferred_unit VARCHAR(50) NOT NULL CHECK (preferred_unit IN ('g', 'ml'))
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);
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-- What ingredients are in what cookies?
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-- Glues together the cookies and ingredients, a 'recipe'.
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CREATE TABLE IF NOT EXISTS recipe_contents (
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cookie_id INT NOT NULL,
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ingredient_id INT NOT NULL,
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quantity INT NOT NULL,
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unit VARCHAR(50) NOT NULL CHECK (unit IN ('g', 'ml')),
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PRIMARY KEY (cookie_id, ingredient_id),
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FOREIGN KEY (cookie_id) REFERENCES cookies(cookie_id),
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FOREIGN KEY (ingredient_id) REFERENCES ingredients(ingredient_id)
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);
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-- Describes ingredients and stock.
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-- This should reference the ingredients table, but we'll keep it simple for now.
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CREATE TABLE IF NOT EXISTS raw_materials (
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ingredient_id INTEGER PRIMARY KEY,
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ingredient_name VARCHAR(50) NOT NULL UNIQUE,
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ingredient_quantity INT NOT NULL,
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unit VARCHAR(50) NOT NULL CHECK (unit IN ('g', 'ml'))
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);
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-- When did we get the ingredients?
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CREATE TABLE IF NOT EXISTS raw_materials_deliveries (
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delivery_id INTEGER PRIMARY KEY,
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ingredient_id INT NOT NULL,
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delivery_date DATE NOT NULL,
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delivery_quantity INT NOT NULL,
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unit VARCHAR(50) NOT NULL CHECK (unit IN ('g', 'ml')),
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FOREIGN KEY (ingredient_id) REFERENCES raw_materials(ingredient_id)
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);
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--------------------------------------------
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-- Pallet related tables
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--------------------------------------------
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-- Pallets are used to store cookies for delivery
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-- Order related columns are unused for now.
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CREATE TABLE IF NOT EXISTS pallets (
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pallet_id INTEGER PRIMARY KEY,
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cookie_id INT NOT NULL,
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order_id INT, -- This should be not null
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status VARCHAR(50) NOT NULL CHECK (status IN ('freezer', 'delivered', 'blocked')),
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production_date DATE NOT NULL,
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delivery_date DATE DEFAULT NULL,
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FOREIGN KEY (cookie_id) REFERENCES cookies(cookie_id)
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FOREIGN KEY (order_id) REFERENCES orders(order_id)
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);
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--------------------------------------------
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-- Views
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--------------------------------------------
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-- Pallet
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CREATE VIEW IF NOT EXISTS pallets_view AS
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SELECT
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pallet_id,
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cookie_name,
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order_id,
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status,
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production_date,
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delivery_date
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FROM pallets
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JOIN cookies ON pallets.cookie_id = cookies.cookie_id;
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PRAGMA foreign_keys = ON; |