質問編集履歴
1
modelの中身と、gemに関する情報、binding.pryで得られた情報を追記しました。
test
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test
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@@ -143,3 +143,91 @@
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rails: 5.2.3
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mysql2: 0.5.2
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146
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+
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147
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gem: carrierwave (追記)
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148
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150
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### 追記
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モデルの内容は以下の通りです。
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```account
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class Account < ApplicationRecord
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# relationship
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belongs_to :user
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# validation
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validates :nickname, presence: true
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validates :user_id, presence: true
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# for avatar upload
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mount_uploader :avatar, AvatarUploader
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end
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```
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このカラムではcarrierwaveを利用しているんですが、これが悪さをしているのでしょうか？
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```binding
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[4] pry(#<AccountsController>)> @account.avatar
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=> #<AvatarUploader:0x00007f6892de3710
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@cache_id=nil,
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@file=nil,
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@filename=nil,
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@identifier=nil,
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@model=
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#<Account:0x00007f68935e8190
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id: nil,
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nickname: "nickname",
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avatar: "",
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user_id: 1,
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created_at: nil,
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updated_at: nil>,
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@mounted_as=:avatar,
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@staged=false,
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@versions=nil>
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[5] pry(#<AccountsController>)> @account.avatar.blank?
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=> true
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[6] pry(#<AccountsController>)> @account.avatar.nil?
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=> false
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```
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