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    brandoncc said over 6 years ago on ActiveRecord Tricks :
    You retrieve 37 users, not messages... Other than that, good episode.
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    hackvan said over 6 years ago on ActiveRecord Tricks :
    awesome tricks, thanks a lot!
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    Christof Spies said about 6 years ago on ActiveRecord Tricks :
    use `.ids` instead of `.pluck(:id)` ;)
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    TheeGrassHopper said almost 4 years ago on ActiveRecord Tricks :
    db:seed doesn't populate any of my Users or my Messages? 
    Status populates but not the others? hummm
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    David Kimura PRO said almost 4 years ago on ActiveRecord Tricks :
     ☒ add a bang to User.create

    User.create! do |user|
 ...
end

    This won't fix the problem, but will fail and you can see what the error is.
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    TheeGrassHopper said almost 4 years ago on ActiveRecord Tricks :
    20.times do
      User.create! do |user|
        user.first_name = Faker::Name.first_name
        user.last_name = Faker::Name.last_name
        user.email = Faker::Internet.email
        user.status = Status.all.sample
      end
    end
    When I run the above in the console I get no errors but User.all is empty then Message.create! breaks with "ActiveRecord::RecordInvalid: Validation failed: User must exist" error. It's as if it never saves the Users to the database.
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    David Kimura PRO said almost 4 years ago on ActiveRecord Tricks :
    You probably have some other association on the user (belongs_to) which is causing the user to not save.
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