Exercise: Schema checks

Walk through a few schema changes and familiarize yourself with GraphOS schema checks.

Situation 1

Remove the description for any field, then run a schema check.

Which of the following schema checks pass?

Build checksNone of the checksOperation checksLinter checks

Undo your changes for the next question.

Situation 2

Add the following to your schema:

schema.graphql

type Chef {
  FirstName: String
}

Run a schema check.

Which of the following linter check rules would throw a warning?

TYPE_NAMES_SHOULD_BE_PASCAL_CASEDOES_NOT_PARSEALL_ELEMENTS_REQUIRE_DESCRIPTIONDEFINED_TYPES_ARE_UNUSEDFIELD_NAMES_SHOULD_BE_CAMEL_CASE

Why does the overall schema check pass?

The linter check rules in violation are set to "warn" onlySchema additions don't result in operation check failuresSchema additions for a supergraph with a single subgraph don't result in build check errors

Undo your changes for the next question.

Situation 3

Remove the cookingTime field, along with its description. Run a schema check. Open up the check in Studio and select one of the affected operations.

Click "Override", then "Mark changes as safe".

Re-run the check using Studio.

Which of the following statements are true after re-running the check?

Build checks passThe operation still shows up under "Affected operations"The operation marked as safe won't show up under "Affected operations" anymoreLinter checks pass

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