description: Passing null value for non nullable type
url: /v1/graphql
status: 200
response:
  errors:
  - extensions:
      path: "$.variableValues.author_id"
      code: "validation-failed"
    message: "null value found for non-nullable type: Int!"
query:
  variables:
    author_id: null
  query: |
    mutation update_author($author_id: Int!) {
      update_author(where: {id: {_eq: $author_id}}, _set: {name: ""}) {
        returning {
          id
          name
        }
      }
    }