State Management · Senior · Question 33 of 75

How do you write the result of a mutation directly into a cached query without refetching (pessimistic update)?

✓Correct answer: Await queryFulfilled in onQueryStarted, then updateQueryData with the response
2Return the data from invalidatesTags
3Call the query hook inside the mutation

Explanation

A pessimistic update waits for the server and then patches the cache - no extra request, but the UI updates only after the response. Optimistic updates patch first and undo on failure.

How do you write the result of a mutation directly into a cached query without refetching (pessimistic update)?

Explanation

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