cmoran92
cmoran92
/ preload_counts.rb
Last active
October 19, 2020 11:24
— forked from apauly/preload_counts.rb
Preload the count of associations similar to the familiar "preload"
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| # | |
| # PreloadCounts | |
| # | |
| # Usage: | |
| # collection = Post.limit(10).preload_counts(:users) | |
| # collection.first.users.count # fires one query to fetch all counts | |
| # collection[1].users.count # uses the cached value | |
| # collection.last.users.count # uses the cached value | |
| # | |
| # Call `::PreloadCounts.enable!` inside of an initializer to enable preloading of association counts |