• 模組 ActiveRecord
• 模組 ActiveRecord::Migration::Compatibility
• 模組 ActiveRecord::Migration::Compatibility::V4_2::TableDefinition
• 模組 ActiveRecord::Migration::Compatibility::V5_0::TableDefinition
• 模組 ActiveRecord::Migration::Compatibility::V5_2::CommandRecorder
• 模組 ActiveRecord::Migration::Compatibility::V5_2::TableDefinition
• 模組 ActiveRecord::Migration::Compatibility::V6_0::TableDefinition
• 模組 ActiveRecord::Migration::Compatibility::V6_1::TableDefinition
• 模組 ActiveRecord::Migration::Compatibility::V7_0::LegacyIndexName
• 模組 ActiveRecord::Migration::Compatibility::V7_0::TableDefinition
• 類別 ActiveRecord::Migration
• 類別 ActiveRecord::Migration::Compatibility::V4_2
• 類別 ActiveRecord::Migration::Compatibility::V5_0
• 類別 ActiveRecord::Migration::Compatibility::V5_1
• 類別 ActiveRecord::Migration::Compatibility::V5_2
• 類別 ActiveRecord::Migration::Compatibility::V6_0
• 類別 ActiveRecord::Migration::Compatibility::V6_0::ReferenceDefinition
• 類別 ActiveRecord::Migration::Compatibility::V6_1
• 類別 ActiveRecord::Migration::Compatibility::V6_1::PostgreSQLCompat
• 類別 ActiveRecord::Migration::Compatibility::V7_0
• 類別 ActiveRecord::Migration::Compatibility::V7_1
• 類別 ActiveRecord::Migration::Compatibility::V7_2