CREATE TABLE IF NOT EXISTS ingredient_data
  ( productId INTEGER NOT NULL PRIMARY KEY -- https://handlaprivatkund.ica.se/stores/1004247/api/v4/products/bop?retailerProductId=...
  , name TEXT NOT NULL
  , costPerKg REAL NOT NULL
  , costPerUnit REAL NOT NULL
  , image BYTEA NOT NULL
  , fetchedAt TIMESTAMP NOT NULL
  );