How do I reset my Apollo cache?

How do I reset my Apollo cache?

Sometimes, you might want to reset the cache entirely, such as when a user logs out. To accomplish this, call client. resetStore . This method is asynchronous, because it also refetches any of your active queries.

How do you update Apollo client cache?

Example: Updating the cache after a mutation Whether you provide options.id explicitly or let writeFragment figure it out using options. data , writeFragment returns a Reference to the identified object. const [addComment] = useMutation(ADD_COMMENT, { update(cache, { data: { addComment } }) { cache. modify({ id: cache.

How do you Refetchquery Apollo?

To selectively refetch queries outside of a mutation, you instead use the refetchQueries method of ApolloClient , which is documented here….Corresponding client. mutate options.

client.mutate(options)		client.refetchQueries(options)
options.refetchQueries	⇔	options.include
options.update	⇔	options.updateCache

How do you Refetch after a mutation?

Refetching Queries after Mutations

1. Tutorial & Code Overview.
2. Adding Total Points to the Habits Query.
3. Create Data with Mutations.
4. Use the Mutation in the UI.
5. Exercise: Use Error and Loading in the UI.
6. Solution: Use Error and Loading in the UI.
7. Refetching Queries after Mutations.
8. Exercise: Delete Habits with Refetching.

How does Apollo invalidate cache?

When we have access to the cache object we can call cache. data. delete(key) where key is the key that Apollo is using to store the data for a specific item. And the record will be entirely deleted from the cache.

Does Apollo cache mutation?

Updating a single existing entity If a mutation updates a single existing entity, Apollo Client can automatically update that entity’s value in its cache when the mutation returns. To do so, the mutation must return the id of the modified entity, along with the values of the fields that were modified.

Does Refetchqueries update cache?

Automatically Updating with Cache Normalization But for other operations, like adding to a list or removing elements from a list, we need to give the cache a little bit of help to figure out exactly what we want to do.

How do you Refetch a useQuery?

Show activity on this post. There is another way to do this that also works if you want to trigger multiple refetches. const [fetch, setFetch] = useState(null); const query = useQuery([“endpoint”, fetch], fetchData); const refetch = () => setFetch(Date. now()); // call the refetch when handling click.

How do you update the Apollo cache after a mutation?

The steps we need to update the cache are:

1. Read the data from Apollo cache (we will use the same GET_ITEMS query)
2. Update the list of items pushing our new item.
3. Write the data back to Apollo cache (also referring to the GET_ITEMS query)

How do you update the Apollo client cache after a mutation?

If a mutation updates a single existing entity, Apollo Client can automatically update that entity’s value in its cache when the mutation returns. To do so, the mutation must return the id of the modified entity, along with the values of the fields that were modified.

How do you update cache after mutation Apollo?

How does Apollo cache work?

Cache Keys When you make any graphQL query, by default Apollo caches the response in what it calls a flat, normalized lookup table. It constructs a unique identifier for each object returned from your query, by combining its id or _id properties with the __typename defined in your schema.