Contents
How do you pass an argument in GraphQL query?
Passing Arguments
- type Query { rollThreeDice: [Int] }
- type Query { rollDice(numDice: Int!, numSides: Int): [Int] }
- { rollDice(numDice: 3, numSides: 6) }
Can I query REST API with GraphQL?
GraphQL resolver functions can return data from anywhere: SQL or NoSQL databases, REST APIs, 3rd-party APIs, legacy systems or even other GraphQL APIs. A huge part of GraphQL’s flexibility comes from the fact that GraphQL itself is not bound to a particular data source.
How does query work in GraphQL?
In a simple graphQL service, the incoming query is parsed, and the query fields are executed and resolved against the schema to produce the result. The code below represents a simple graphQL service, in a server setting, only the incoming query is sent from the client, whereas the rest of the code stays in the server.
Is GraphQL easier than REST?
Faster performance GraphQL can speed up development and automation in comparison to REST. GraphQL queries themselves are not faster than REST queries, but because you can pick the fields you want to query, GraphQL requests will always be smaller and more efficient.
Which is the best way to write GraphQL queries?
Pretty much anything you can do in GitHub, you can do via their GraphQL API. Today we are going to use it to retrieve user and repository information in order to explore how you write GraphQL queries. There are two ways to explore the API: Use their API Explorer.
Where do I Find my schema in GraphQL?
Most graphQL api endpoints lead you to a graphiQL ( or similar ) interface like this one: On the left you type your query, hit play ▶ and get a result, on the right you can find your schema starting (Usually) from the root or root nodes.
How to write a GraphQL query in Star Wars?
To get started writing your first GraphQL query, navigate to the Star Wars GraphiQL page . From this page, you can look at the documentation for the GraphQL endpoint, submit queries and see the output. Submit the following query in the top left pane of GraphiQL.
Is there an equivalent of select * in GraphQL?
Well, the way that GraphQL is able to supply you only the data you need is by requiring that you specify the fields you require within your query. There is no equivalent of select * in GraphQL, and this is for a number of good reasons.