68 lines
2.0 KiB
SQL
68 lines
2.0 KiB
SQL
-- Migration 001: Initial Schema
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-- Creates the core tables for the weight tracker app
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-- Users table
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CREATE TABLE IF NOT EXISTS users (
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id SERIAL PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password_hash VARCHAR(255) NOT NULL,
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display_name VARCHAR(100),
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height_cm DECIMAL(5,1),
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age INTEGER,
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gender VARCHAR(20),
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goal_weight_kg DECIMAL(5,1),
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starting_weight_kg DECIMAL(5,1),
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created_at TIMESTAMP DEFAULT NOW()
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);
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-- Check-ins table
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CREATE TABLE IF NOT EXISTS checkins (
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id SERIAL PRIMARY KEY,
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user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
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weight_kg DECIMAL(5,1) NOT NULL,
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bmi DECIMAL(4,1),
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notes TEXT,
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checked_in_at TIMESTAMP DEFAULT NOW()
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);
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-- Milestones table
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CREATE TABLE IF NOT EXISTS milestones (
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id SERIAL PRIMARY KEY,
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user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
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milestone_key VARCHAR(50) NOT NULL,
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achieved_at TIMESTAMP DEFAULT NOW(),
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UNIQUE(user_id, milestone_key)
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);
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-- Challenges table
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CREATE TABLE IF NOT EXISTS challenges (
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id SERIAL PRIMARY KEY,
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title VARCHAR(200) NOT NULL,
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description TEXT,
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target_type VARCHAR(30) NOT NULL,
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target_value DECIMAL(8,2) NOT NULL,
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start_date DATE NOT NULL,
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end_date DATE NOT NULL,
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created_at TIMESTAMP DEFAULT NOW()
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);
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-- Challenge participants
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CREATE TABLE IF NOT EXISTS challenge_participants (
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id SERIAL PRIMARY KEY,
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challenge_id INTEGER REFERENCES challenges(id) ON DELETE CASCADE,
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user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
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completed BOOLEAN DEFAULT FALSE,
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completed_at TIMESTAMP,
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UNIQUE(challenge_id, user_id)
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);
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-- Indexes
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CREATE INDEX IF NOT EXISTS idx_checkins_user_date ON checkins(user_id, checked_in_at DESC);
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CREATE INDEX IF NOT EXISTS idx_milestones_user ON milestones(user_id);
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-- Migrations tracking table
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CREATE TABLE IF NOT EXISTS schema_migrations (
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version INTEGER PRIMARY KEY,
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applied_at TIMESTAMP DEFAULT NOW()
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);
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