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Added further details to the Caching guides #928

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Aug 26, 2020
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Added further details to the Caching guides #928

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2 changes: 2 additions & 0 deletions docs/src/pages/docs/guides/caching.md
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Expand Up @@ -26,5 +26,7 @@ Let's assume we are using the default `cacheTime` of **5 minutes** and the defau
- Because this exact data exist in the cache from the first instance of this query, that data is immediately returned from the cache.
- Both instances of the `useQuery('todos', fetchTodos)` query are unmounted and no longer in use.
- Since there are no more active instances to this query, a cache timeout is set using `cacheTime` to delete and garbage collect the query (defaults to **5 minutes**).
- Before the cache timeout has completed another instance of `useQuery('todos', fetchTodos)` mounts. The query immediately returns the available cached value while the `fetchTodos` function is being run in the background to populate the query with a fresh value.
- The final instance of `useQuery('todos', fetchTodos)` unmounts.
- No more instances of `useQuery('todos', fetchTodos)` appear within **5 minutes**.
- This query and its data are deleted and garbage collected.