Course lesson
The simplest way to count the comments on a post is to use a Data Loader that returns all of the comments and return the length.
The simplest way to count the comments on a post is to use a Data Loader that returns all of the comments and return the length.
As long as the primary access pattern is to always fetch the number of comments along with the comments themselves, the Data Loader will batch them together and you'll get the count for free with no extra database requests.
Course lesson
The simplest way to count the comments on a post is to use a Data Loader that returns all of the comments and return the length.