Exercise: Add a subgraph

🎯 Goal: Add the kitchenware subgraph.

You can find the Kitchenware API at this endpoint: https://poetic-plates-kitchenware-api.herokuapp.com/.

API endpoint

https://poetic-plates-kitchenware-api.herokuapp.com/

Subgraph name

kitchenware

Stuck? Check out the solution below ⬇️

Which of the following situations triggers a launch in GraphOS?

An updated subgraph schema is publishedA new subgraph was addedUpdating the cloud router configurationRunning a schema check

You can also add a new subgraph to the supergraph using Rover. Which of the following commands would you need to use?

rover subgraph templaterover subgraph addrover subgraph newrover subgraph publish

After sucessfully adding the kitchenware subgraph, try adding another subgraph. Use the values below:

Routing URL

https://poetic-plates-kitchenware-api.herokuapp.com/

Subgraph name

new-subgraph

Which of the following statements below are correct?

A launch is triggeredThe process fails because of an operation check failureThe process fails because of composition failureYou need to use Rover to add this subgraph

After successfully adding the kitchenware subgraph, let's run a few queries with Explorer!

query GetRandomRecipeAndAllCookware {
  randomRecipe {
    name
    readyTime
  }
  allCookware {
    name
    description
    cleaningInstructions
  }
}

To view the query plan, click the dropdown arrow beside "Response" and select "Query Plan Preview".

Which of the following statements are true about the query plan for the query above?

The router will make two sequential calls: first to the kitchenware subgraph, and then a second one to the recipes subgraphThe router will make two parallel calls: one to the kitchenware subgraph and another to the recipes subgraphThe description field will be resolved by the recipes subgraphThe description field will be resolved by the kitchenware subgraph

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