class
ActiveRecord::SchemaMigration
rails latest stable
- Superclass: ActiveRecord::Base
This class is used to create a table that keeps track of which migrations have been applied to a given database. When a migration is run, its schema number is inserted in to the schema migrations table so it doesn’t need to be executed the next time.
Attributes
| [R] | arel_table |
| [R] | connection |
Files
- activerecord/lib/active_record/schema_migration.rb