instance method `preload`

Ruby on Rails 6.0.6

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

preload(*args)

Allows preloading of args, in the same way that #includes does:

User.preload(:posts)
# SELECT "posts".* FROM "posts" WHERE "posts"."user_id" IN (1, 2, 3)

Parameters

args rest

Source

# File activerecord/lib/active_record/relation/query_methods.rb, line 179
    def preload(*args)
      check_if_method_has_arguments!(:preload, args)
      spawn.preload!(*args)
    end

Defined in activerecord/lib/active_record/relation/query_methods.rb line 179 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::QueryMethods

Signature

Parameters