Indeed, the parent was describing built-in features of the Apollo GraphQL Client, such as entity-level caching in the frontend. However, a dataloader pattern c

Indeed, the parent was describing built-in features of the Apollo GraphQL Client, such as entity-level caching in the frontend. However, a dataloader pattern can also be useful when implementing custom resolvers for a GraphQL API. For this purpose, Apollo provides data sources which handle caching at request level.