質問編集履歴
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> Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist: ALTER TABLE `users` ADD `email` varchar(255) DEFAULT '' NOT NULL
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ActiveRecord::StatementInvalid: Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist: ALTER TABLE `users` ADD `email` varchar(255) DEFAULT '' NOT NULL
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Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist
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Tasks: TOP => db:migrate
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# エラーメッセージ
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> rake aborted!
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StandardError: An error has occurred, all later migrations canceled:
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Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist: ALTER TABLE `users` ADD `email` varchar(255) DEFAULT '' NOT NULL
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> Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist: ALTER TABLE `users` ADD `email` varchar(255) DEFAULT '' NOT NULL
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Caused by:
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> Caused by:
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ActiveRecord::StatementInvalid: Mysql2::Error: Table 'freemarket_sample_50c_development.users' doesn't exist: ALTER TABLE `users` ADD `email` varchar(255) DEFAULT '' NOT NULL
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> Caused by:
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1
コードの追記
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test
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# 20191002055101_add_devise_to_users.rb
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```
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# frozen_string_literal: true
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class AddDeviseToUsers < ActiveRecord::Migration[5.2]
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def self.up
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change_table :users do |t|
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## Database authenticatable
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t.string :email, null: false, default: ""
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t.string :encrypted_password, null: false, default: ""
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## Recoverable
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t.string :reset_password_token
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t.datetime :reset_password_sent_at
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## Rememberable
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t.datetime :remember_created_at
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## Trackable
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# t.integer :sign_in_count, default: 0, null: false
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# t.datetime :current_sign_in_at
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# t.datetime :last_sign_in_at
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# t.string :current_sign_in_ip
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# t.string :last_sign_in_ip
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## Confirmable
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# t.string :confirmation_token
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# t.datetime :confirmed_at
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# t.datetime :confirmation_sent_at
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# t.string :unconfirmed_email # Only if using reconfirmable
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## Lockable
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# t.integer :failed_attempts, default: 0, null: false # Only if lock strategy is :failed_attempts
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# t.string :unlock_token # Only if unlock strategy is :email or :both
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# t.datetime :locked_at
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# Uncomment below if timestamps were not included in your original model.
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# t.timestamps null: false
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end
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add_index :users, :email, unique: true
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add_index :users, :reset_password_token, unique: true
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# add_index :users, :confirmation_token, unique: true
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# add_index :users, :unlock_token, unique: true
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end
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def self.down
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# By default, we don't want to make any assumption about how to roll back a migration when your
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# model already existed. Please edit below which fields you would like to remove in this migration.
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raise ActiveRecord::IrreversibleMigration
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end
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end
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```
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# 試したこと
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rake db:reset → 再度 rake db:migrate
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