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-- user table for users.
CREATE TABLE IF NOT EXISTS Users (
id INT PRIMARY KEY,
name TEXT NOT NULL,
UNIQUE(name)
);
-- statistics table for users to log their consumption
CREATE TABLE IF NOT EXISTS Statistics (
id INT PRIMARY KEY,
date DATETIME NOT NULL,
user_id INT NOT NULL,
quantity INT
);
-- preferences table for a user.
CREATE TABLE IF NOT EXISTS Preferences (
id INT PRIMARY KEY,
color TEXT NOT NULL DEFAULT "#000000",
user_id INT NOT NULL,
size_id INT NOT NULL DEFAULT 1,
FOREIGN KEY(user_id) REFERENCES Users(id) ON DELETE CASCADE
FOREIGN KEY(size_id) REFERENCES Sizes(id)
);
-- lookup table for sizes.
CREATE TABLE IF NOT EXISTS Sizes (
id INT PRIMARY KEY,
size INT NOT NULL
unit TEXT DEFAULT "oz"
);
-- create default sizes for sizes lookup table.
INSERT OR IGNORE INTO Sizes (id, size) VALUES (1, 8), (2, 16), (3, 24), (4, 32), (5, 40), (6, 48);
-- create default users.
INSERT OR IGNORE INTO Users (id, name) VALUES (1, 'Parker'), (2, 'Zach');
-- create default preferences.
INSERT OR IGNORE INTO Preferences (id, user_id) VALUES (1, 1), (2, 2);
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