books/backend/Books.Api/Database/Migrations/021_ProductEanManufacturer.sql

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-- Add EAN (barcode) and Manufacturer fields to products
-- Manufacturer will be used for autocomplete across products in a company
ALTER TABLE product_read_models
ADD COLUMN IF NOT EXISTS ean TEXT,
ADD COLUMN IF NOT EXISTS manufacturer TEXT;
-- Index for EAN lookup (useful for scanning barcodes)
CREATE INDEX IF NOT EXISTS idx_product_ean
ON product_read_models (company_id, ean) WHERE ean IS NOT NULL;
-- Index for manufacturer autocomplete
CREATE INDEX IF NOT EXISTS idx_product_manufacturer
ON product_read_models (company_id, manufacturer) WHERE manufacturer IS NOT NULL;