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| -rw-r--r-- | guides/source/caching_with_rails.md | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/guides/source/caching_with_rails.md b/guides/source/caching_with_rails.md index f26019c72e..ebd67a4adb 100644 --- a/guides/source/caching_with_rails.md +++ b/guides/source/caching_with_rails.md @@ -119,25 +119,16 @@ If you want to cache a fragment under certain conditions, you can use The `render` helper can also cache individual templates rendered for a collection. It can even one up the previous example with `each` by reading all cache -templates at once instead of one by one. This is done automatically if the template -rendered by the collection includes a `cache` call. Take a collection that renders -a `products/_product.html.erb` partial for each element: - -```ruby -render products -``` - -If `products/_product.html.erb` starts with a `cache` call like so: +templates at once instead of one by one. This is done by passing `cached: true` when rendering the collection: ```html+erb -<% cache product do %> - <%= product.name %> -<% end %> +<%= render partial: 'products/product', collection: @products, cached: true %> ``` -All the cached templates from previous renders will be fetched at once with much -greater speed. There's more info on how to make your templates [eligible for -collection caching](http://api.rubyonrails.org/classes/ActionView/Template/Handlers/ERB.html#method-i-resource_cache_call_pattern). +All cached templates from previous renders will be fetched at once with much +greater speed. Additionally, the templates that haven't yet been cached will be +written to cache and multi fetched on the next render. + ### Russian Doll Caching |