upsert test

gistfile1.txt

upsert {
  query {
  getVals(func: has(products)) {
    productsUid as uid
  	products @filter(eq(productId, 19610626)) {
      productUid as uid
      options @filter(eq(optionId, 32661491)) {
        optionUid as uid
      }
    }
  }
}

  mutation {
    set {
      uid(productsUid) <products> uid(productUid) .
      uid(productsUid) <dgraph.type> "Products" .
      uid(productUid) <productId> "19610626" .
      uid(productUid) <options> uid(optionUid) .
      uid(productUid) <dgraph.type> "Product" .
      uid(optionUid) <color> "blue" .
      uid(optionUid) <dgraph.type> "Option" .
      uid(optionUid) <optionId> "32661491" .
    }
  }
}