Error Handling in Mutation
Explore how to handle errors in GraphQL mutations within an Elixir Absinthe application. Learn to implement unique constraints in the database using Ecto migrations, apply changeset validations, and test error conditions to provide clear feedback in your API responses.
We'll cover the following...
We'll cover the following...
Handling mutation errors
We need to deal with errors that might occur in the execution of our mutations. We’ll cover two major strategies we can use to report errors to users. While we can’t always make them happy, we can at least let them know what went wrong.
Before we dig into error handling, we need to set up a good example. Let’s add a constraint in ...