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exegeteio/example.rb

Created July 14, 2022 16:11
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Eager loading after Active Record create?
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example.rb
user = User.create(email: 'whatever@nowhere', team_id: 123)
# ??? eager loading ???
# user.eager_load(team: {memberships: :admins}) # Maybe?
# user.reload(includes: {team: {memberships: :admins}}) # Adds an extra fetch.
# N+1 on `memberships` and `admins`.
notify_emails = user.team.memberships.admins.collect(:email)
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