berrypod/priv/repo/migrations/20260128235848_create_product_variants.exs

defmodule SimpleshopTheme.Repo.Migrations.CreateProductVariants do
  use Ecto.Migration

  def change do
    create table(:product_variants, primary_key: false) do
      add :id, :binary_id, primary_key: true

      add :product_id, references(:products, type: :binary_id, on_delete: :delete_all),
        null: false

      add :provider_variant_id, :string, null: false
      add :title, :string, null: false
      add :sku, :string
      add :price, :integer, null: false
      add :compare_at_price, :integer
      add :cost, :integer
      add :options, :map, default: %{}
      add :is_enabled, :boolean, default: true, null: false
      add :is_available, :boolean, default: true, null: false

      timestamps(type: :utc_datetime)
    end

    create unique_index(:product_variants, [:product_id, :provider_variant_id])
    create index(:product_variants, [:product_id])
    create index(:product_variants, [:sku])
    create index(:product_variants, [:is_enabled])
    create index(:product_variants, [:is_available])
  end
end