activerecord/lib/active_record/migration.rb

Required Files

• benchmark
• set
• zlib
• active_support/core_ext/array/access
• active_support/core_ext/enumerable
• active_support/core_ext/module/attribute_accessors
• active_support/actionable_error
• active_record/migration/pending_migration_connection

Namespace

• ActiveRecord
• ActiveRecord::EnvironmentMismatchError
• ActiveRecord::IrreversibleMigration
• ActiveRecord::Migration
• ActiveRecord::Migration::CheckPending
• ActiveRecord::MigrationContext