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Ruby

Rubyはプログラミング言語のひとつで、オープンソース、オブジェクト指向のプログラミング開発に対応しています。

Ruby on Rails

Ruby on Railsは、オープンソースのWebアプリケーションフレームワークです。「同じことを繰り返さない」というRailsの基本理念のもと、他のフレームワークより少ないコードで簡単に開発できるよう設計されています。

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解決済

2回答

818閲覧

テーブルが作成されません

退会済みユーザー

退会済みユーザー

総合スコア0

Ruby

Rubyはプログラミング言語のひとつで、オープンソース、オブジェクト指向のプログラミング開発に対応しています。

Ruby on Rails

Ruby on Railsは、オープンソースのWebアプリケーションフレームワークです。「同じことを繰り返さない」というRailsの基本理念のもと、他のフレームワークより少ないコードで簡単に開発できるよう設計されています。

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投稿2022/09/28 01:42

編集2022/09/28 04:04

rails db:migrate実行後

フォロー機能作成の為、rails db:migrateをコマンド入力をしたのですが、テーブルが作成されずエラーが発生してしまいました。
エラーの原因が調べてもよく分からず困っています。
見て頂けないでしょうか?

エラー

Running via Spring preloader in process 4973 == 20220928013253 CreateRelationships: migrating ============================== -- create_table(:relationships) rake aborted! StandardError: An error has occurred, all later migrations canceled: Column `user_id` on table `relationships` does not match column `id` on `users`, which has type `bigint(20)`. To resolve this issue, change the type of the `user_id` column on `relationships` to be :bigint. (For example `t.bigint :user_id`). Original message: Mysql2::Error: Cannot add foreign key constraint /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `_query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `block in query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:206:in `block (2 levels) in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:48:in `block in permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/share_lock.rb:187:in `yield_shares' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:47:in `permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:205:in `block in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:696:in `block (2 levels) in log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:695:in `block in log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/notifications/instrumenter.rb:24:in `instrument' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:687:in `log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:204:in `execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/mysql/database_statements.rb:52:in `execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/schema_statements.rb:322:in `create_table' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/mysql/schema_statements.rb:81:in `create_table' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:929:in `block in method_missing' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:897:in `block in say_with_time' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:897:in `say_with_time' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:918:in `method_missing' /home/ubuntu/environment/tsunageru/db/migrate/20220928013253_create_relationships.rb:3:in `change' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:867:in `exec_migration' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:851:in `block (2 levels) in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:850:in `block in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/connection_pool.rb:462:in `with_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:849:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1037:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1329:in `block in execute_migration_in_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1382:in `ddl_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1328:in `execute_migration_in_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1302:in `each' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1302:in `migrate_without_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1251:in `block in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1401:in `block in with_advisory_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1416:in `block in with_advisory_lock_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/connection_pool.rb:462:in `with_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1416:in `with_advisory_lock_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1397:in `with_advisory_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1251:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1086:in `up' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1061:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/tasks/database_tasks.rb:237:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:92:in `block (3 levels) in <main>' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:90:in `each' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:90:in `block (2 levels) in <main>' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:10:in `block in fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:10:in `block in fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:27:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:27:in `fork' <internal:/home/ubuntu/.rvm/rubies/ruby-3.0.0/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require' <internal:/home/ubuntu/.rvm/rubies/ruby-3.0.0/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require' -e:1:in `<main>' Caused by: ActiveRecord::MismatchedForeignKey: Column `user_id` on table `relationships` does not match column `id` on `users`, which has type `bigint(20)`. To resolve this issue, change the type of the `user_id` column on `relationships` to be :bigint. (For example `t.bigint :user_id`). Original message: Mysql2::Error: Cannot add foreign key constraint /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `_query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `block in query'           ・           ・           ・ Caused by: Mysql2::Error: Cannot add foreign key constraint      ・      ・      ・ Tasks: TOP => db:migrate (See full trace by running task with --trace)

マイグレーションファイル

class CreateRelationships < ActiveRecord::Migration[6.1] def change create_table :relationships do |t| t.references :user, null: false, foreign_key: true t.references :follow, null: false, foreign_key: true t.timestamps t.index [:user_id, :follow_id], unique: true end end end

文字数制限で質問ができなかったため、重要だと思われる個所だけを残しました。
必要とされる個所は、追記したいと思います。

!追記
恐らく、user_idに関することだと思うのですが、カラムのデータ型に関して言っているのでしょうか?
0
!追記
>マイグレーションファイルの作成順は、参照されるテーブルが先になっていますか?
イメージ説明
参照されるテーブルというのはrelationshipsのことですか?

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退会済みユーザー

退会済みユーザー

2022/09/28 01:49

エラー全文 Running via Spring preloader in process 4973 == 20220928013253 CreateRelationships: migrating ============================== -- create_table(:relationships) rake aborted! StandardError: An error has occurred, all later migrations canceled: Column `user_id` on table `relationships` does not match column `id` on `users`, which has type `bigint(20)`. To resolve this issue, change the type of the `user_id` column on `relationships` to be :bigint. (For example `t.bigint :user_id`). Original message: Mysql2::Error: Cannot add foreign key constraint /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `_query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `block in query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:206:in `block (2 levels) in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:48:in `block in permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/share_lock.rb:187:in `yield_shares' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:47:in `permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:205:in `block in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:696:in `block (2 levels) in log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:695:in `block in log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/notifications/instrumenter.rb:24:in `instrument' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:687:in `log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:204:in `execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/mysql/database_statements.rb:52:in `execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/schema_statements.rb:322:in `create_table' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/mysql/schema_statements.rb:81:in `create_table' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:929:in `block in method_missing' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:897:in `block in say_with_time' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:897:in `say_with_time' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:918:in `method_missing' /home/ubuntu/environment/tsunageru/db/migrate/20220928013253_create_relationships.rb:3:in `change' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:867:in `exec_migration' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:851:in `block (2 levels) in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:850:in `block in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/connection_pool.rb:462:in `with_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:849:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1037:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1329:in `block in execute_migration_in_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1382:in `ddl_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1328:in `execute_migration_in_transaction' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1302:in `each' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1302:in `migrate_without_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1251:in `block in migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1401:in `block in with_advisory_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1416:in `block in with_advisory_lock_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract/connection_pool.rb:462:in `with_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1416:in `with_advisory_lock_connection' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1397:in `with_advisory_lock' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1251:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1086:in `up' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/migration.rb:1061:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/tasks/database_tasks.rb:237:in `migrate' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:92:in `block (3 levels) in <main>' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:90:in `each' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/railties/databases.rake:90:in `block (2 levels) in <main>' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:10:in `block in fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:10:in `block in fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:27:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:8:in `fork' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/fork_tracker.rb:27:in `fork' <internal:/home/ubuntu/.rvm/rubies/ruby-3.0.0/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require' <internal:/home/ubuntu/.rvm/rubies/ruby-3.0.0/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require' -e:1:in `<main>' Caused by: ActiveRecord::MismatchedForeignKey: Column `user_id` on table `relationships` does not match column `id` on `users`, which has type `bigint(20)`. To resolve this issue, change the type of the `user_id` column on `relationships` to be :bigint. (For example `t.bigint :user_id`). Original message: Mysql2::Error: Cannot add foreign key constraint /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `_query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:148:in `block in query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.4/lib/mysql2/client.rb:147:in `query' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:206:in `block (2 levels) in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:48:in `block in permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/share_lock.rb:187:in `yield_shares' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/dependencies/interlock.rb:47:in `permit_concurrent_loads' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:205:in `block in execute' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activerecord-6.1.7/lib/active_record/connection_adapters/abstract_adapter.rb:696:in `block (2 levels) in log' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt' /home/ubuntu/.rvm/gems/ruby-3.0.0/gems/activesupport-6.1.7/lib/active_support/concurrency/loa
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回答2

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ベストアンサー

エラーが出たら、まずは翻訳、次に検索、そして質問する癖をつけたほうが良い気がします。

Column user_id on table relationships does not match column id on users, which has type bigint(20).

の検索結果の1位はこちらでした。
マイグレーションファイルの作成順は、参照されるテーブルが先になっていますか?
https://qiita.com/ken_sasaki2/items/84c257fc1a8ae964ddb9

投稿2022/09/28 03:32

編集2022/09/28 03:34
no1knows

総合スコア3365

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退会済みユーザー

退会済みユーザー

2022/09/28 04:06

下記の状態なのですが、作成日時を修正後に一度、 down 20220928013253 Create relationships を削除する必要がありますかそれとも、上書きできますか? Status Migration ID Migration Name -------------------------------------------------- up 20220926035148 Devise create users up 20220927063833 Rename self inroduction column to users up 20220927150407 Create plans down 20220928013253 Create relationships
no1knows

2022/09/28 05:59

> 対処法はマイグレーションファイルの作成日時を修正してあげれば解決できます。 > 添付画像の数字部分を、参照される側のテーブルよりも外部キーを使用するテーブルの数字を大きくすれば解決します。 記事をよく読んでみてください
退会済みユーザー

退会済みユーザー

2022/09/28 07:20

relationshipsマイグレーションファイルの作成日時を20220928013253→20220928313253に変更してrails db:migrateを実行したのですが、同じエラーが発生してしまいました。
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Column `user_id` on table `relationships` does not match column `id` on `users`, which has type `bigint(20)`. To resolve this issue, change the type of the `user_id` column on `relationships` to be :bigint. (For example `t.bigint :user_id`).

とあるように、定義を変えてください。
relationships が期待する 型 と実際の User.id の型が異なっているのが原因です

投稿2022/09/28 03:10

winterboum

総合スコア23347

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退会済みユーザー

退会済みユーザー

2022/09/28 03:19 編集

t.bigint :user_idにマイグレーションファイルの記述を 変えてほしいと言っているのでしょうか? 調べるとuserはintegerの形が多いのですが、integerでもテーブルは作成されますでしょうか?
winterboum

2022/09/28 05:07

DB により、id につかう型が変わるようです。。。 詳しいことはわかりません。 type指定で行けるかもしれません、試していただければ。
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