272 lines
8.9 KiB
MySQL
272 lines
8.9 KiB
MySQL
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-- Database Schema Fixes and Optimizations
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-- Generated: 2026-01-16
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-- ==========================================
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-- 1. ADD MISSING COLUMNS
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-- ==========================================
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-- Add missing timestamps to products if not exists
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'products' AND column_name = 'deleted_at'
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) THEN
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ALTER TABLE products ADD COLUMN deleted_at TIMESTAMP;
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END IF;
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END $$;
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-- Add missing order columns
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'orders' AND column_name = 'customer_id'
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) THEN
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ALTER TABLE orders ADD COLUMN customer_id UUID;
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ALTER TABLE orders ADD CONSTRAINT fk_orders_customer
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FOREIGN KEY (customer_id) REFERENCES customers(id) ON DELETE SET NULL;
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END IF;
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END $$;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = 'orders' AND column_name = 'shipping_address'
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) THEN
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ALTER TABLE orders ADD COLUMN shipping_address JSONB;
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ALTER TABLE orders ADD COLUMN billing_address JSONB;
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ALTER TABLE orders ADD COLUMN payment_method VARCHAR(50);
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ALTER TABLE orders ADD COLUMN tracking_number VARCHAR(100);
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ALTER TABLE orders ADD COLUMN notes TEXT;
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ALTER TABLE orders ADD COLUMN created_at TIMESTAMP DEFAULT NOW();
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END IF;
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END $$;
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-- ==========================================
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-- 2. FIX DATA TYPE INCONSISTENCIES
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-- ==========================================
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-- Ensure consistent boolean defaults
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ALTER TABLE products ALTER COLUMN isfeatured SET DEFAULT false;
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ALTER TABLE products ALTER COLUMN isbestseller SET DEFAULT false;
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ALTER TABLE products ALTER COLUMN isactive SET DEFAULT true;
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ALTER TABLE product_images ALTER COLUMN is_primary SET DEFAULT false;
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ALTER TABLE product_images ALTER COLUMN display_order SET DEFAULT 0;
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ALTER TABLE product_images ALTER COLUMN variant_stock SET DEFAULT 0;
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ALTER TABLE blogposts ALTER COLUMN ispublished SET DEFAULT false;
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ALTER TABLE blogposts ALTER COLUMN isactive SET DEFAULT true;
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ALTER TABLE pages ALTER COLUMN ispublished SET DEFAULT true;
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ALTER TABLE pages ALTER COLUMN isactive SET DEFAULT true;
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ALTER TABLE portfolioprojects ALTER COLUMN isactive SET DEFAULT true;
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-- ==========================================
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-- 3. ADD MISSING INDEXES FOR PERFORMANCE
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-- ==========================================
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-- Products: Add indexes for common queries
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CREATE INDEX IF NOT EXISTS idx_products_active_bestseller
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ON products(isactive, isbestseller) WHERE isactive = true AND isbestseller = true;
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CREATE INDEX IF NOT EXISTS idx_products_category_active
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ON products(category, isactive) WHERE isactive = true;
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CREATE INDEX IF NOT EXISTS idx_products_price_range
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ON products(price) WHERE isactive = true;
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CREATE INDEX IF NOT EXISTS idx_products_stock
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ON products(stockquantity) WHERE isactive = true;
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-- Product Images: Optimize joins
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CREATE INDEX IF NOT EXISTS idx_product_images_product_order
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ON product_images(product_id, display_order);
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-- Blog: Add missing indexes
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CREATE INDEX IF NOT EXISTS idx_blogposts_published_date
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ON blogposts(publisheddate DESC) WHERE ispublished = true;
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CREATE INDEX IF NOT EXISTS idx_blogposts_category
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ON blogposts(category) WHERE ispublished = true;
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-- Pages: Add index for active lookup
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CREATE INDEX IF NOT EXISTS idx_pages_slug_active
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ON pages(slug) WHERE isactive = true AND ispublished = true;
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-- Orders: Add indexes for queries
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CREATE INDEX IF NOT EXISTS idx_orders_customer
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ON orders(customer_id) WHERE customer_id IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_orders_status
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ON orders(orderstatus);
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CREATE INDEX IF NOT EXISTS idx_orders_date
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ON orders(orderdate DESC);
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CREATE INDEX IF NOT EXISTS idx_orders_number
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ON orders(ordernumber);
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-- Customers: Add indexes
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CREATE INDEX IF NOT EXISTS idx_customers_email_active
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ON customers(email) WHERE is_active = true;
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CREATE INDEX IF NOT EXISTS idx_customers_created
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ON customers(created_at DESC);
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-- ==========================================
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-- 4. ADD MISSING CONSTRAINTS
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-- ==========================================
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-- Ensure products have valid prices
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.table_constraints
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WHERE constraint_name = 'chk_products_price_positive'
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) THEN
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ALTER TABLE products ADD CONSTRAINT chk_products_price_positive
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CHECK (price >= 0);
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END IF;
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END $$;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.table_constraints
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WHERE constraint_name = 'chk_products_stock_nonnegative'
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) THEN
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ALTER TABLE products ADD CONSTRAINT chk_products_stock_nonnegative
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CHECK (stockquantity >= 0);
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END IF;
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END $$;
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-- Ensure product images have valid ordering
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.table_constraints
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WHERE constraint_name = 'chk_product_images_order_nonnegative'
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) THEN
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ALTER TABLE product_images ADD CONSTRAINT chk_product_images_order_nonnegative
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CHECK (display_order >= 0);
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END IF;
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END $$;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.table_constraints
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WHERE constraint_name = 'chk_product_images_stock_nonnegative'
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) THEN
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ALTER TABLE product_images ADD CONSTRAINT chk_product_images_stock_nonnegative
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CHECK (variant_stock >= 0);
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END IF;
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END $$;
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-- Ensure orders have valid amounts
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ALTER TABLE orders DROP CONSTRAINT IF EXISTS chk_orders_amounts;
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ALTER TABLE orders ADD CONSTRAINT chk_orders_amounts
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CHECK (subtotal >= 0 AND total >= 0);
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-- ==========================================
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-- 5. ADD CASCADE DELETE FOR ORPHANED DATA
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-- ==========================================
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-- Ensure product images are deleted when product is deleted
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ALTER TABLE product_images DROP CONSTRAINT IF EXISTS product_images_product_id_fkey;
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ALTER TABLE product_images ADD CONSTRAINT product_images_product_id_fkey
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FOREIGN KEY (product_id) REFERENCES products(id) ON DELETE CASCADE;
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-- ==========================================
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-- 6. CREATE MISSING TABLES
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-- ==========================================
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-- Create order_items if missing
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CREATE TABLE IF NOT EXISTS order_items (
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id TEXT PRIMARY KEY DEFAULT gen_random_uuid()::TEXT,
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order_id TEXT NOT NULL REFERENCES orders(id) ON DELETE CASCADE,
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product_id TEXT REFERENCES products(id) ON DELETE SET NULL,
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product_name VARCHAR(255) NOT NULL,
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product_sku VARCHAR(100),
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quantity INTEGER NOT NULL CHECK (quantity > 0),
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unit_price NUMERIC(10,2) NOT NULL CHECK (unit_price >= 0),
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total_price NUMERIC(10,2) NOT NULL CHECK (total_price >= 0),
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color_variant VARCHAR(100),
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created_at TIMESTAMP DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_order_items_order ON order_items(order_id);
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CREATE INDEX IF NOT EXISTS idx_order_items_product ON order_items(product_id);
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-- Create reviews table if missing
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CREATE TABLE IF NOT EXISTS product_reviews (
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id TEXT PRIMARY KEY DEFAULT gen_random_uuid()::TEXT,
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product_id TEXT NOT NULL REFERENCES products(id) ON DELETE CASCADE,
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customer_id UUID REFERENCES customers(id) ON DELETE CASCADE,
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rating INTEGER NOT NULL CHECK (rating >= 1 AND rating <= 5),
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title VARCHAR(200),
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comment TEXT,
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is_verified_purchase BOOLEAN DEFAULT false,
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is_approved BOOLEAN DEFAULT false,
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helpful_count INTEGER DEFAULT 0,
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created_at TIMESTAMP DEFAULT NOW(),
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updated_at TIMESTAMP DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_reviews_product ON product_reviews(product_id);
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CREATE INDEX IF NOT EXISTS idx_reviews_customer ON product_reviews(customer_id);
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CREATE INDEX IF NOT EXISTS idx_reviews_approved ON product_reviews(is_approved) WHERE is_approved = true;
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-- ==========================================
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-- 7. ADD TRIGGERS FOR AUTOMATIC TIMESTAMPS
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-- ==========================================
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-- Function to update updated_at timestamp
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CREATE OR REPLACE FUNCTION update_updated_at_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updatedat = NOW();
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RETURN NEW;
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END;
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$$ language 'plpgsql';
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-- Add triggers for products
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DROP TRIGGER IF EXISTS update_products_updatedat ON products;
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CREATE TRIGGER update_products_updatedat
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BEFORE UPDATE ON products
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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-- Add triggers for blogposts
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DROP TRIGGER IF EXISTS update_blogposts_updatedat ON blogposts;
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CREATE TRIGGER update_blogposts_updatedat
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BEFORE UPDATE ON blogposts
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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-- Add triggers for pages
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DROP TRIGGER IF EXISTS update_pages_updatedat ON pages;
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CREATE TRIGGER update_pages_updatedat
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BEFORE UPDATE ON pages
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FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
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-- ==========================================
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-- 8. UPDATE STATISTICS FOR QUERY PLANNER
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-- ==========================================
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ANALYZE products;
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ANALYZE product_images;
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ANALYZE blogposts;
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ANALYZE pages;
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ANALYZE portfolioprojects;
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ANALYZE orders;
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ANALYZE customers;
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-- ==========================================
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-- COMPLETE
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-- ==========================================
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SELECT 'Database schema fixes applied successfully!' AS status;
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