Remove the connection for this class. This will close the active connection and the defined connection (if they exist). The result can be used as an argument for establish_connection, for easily re-establishing the connection.
# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 424 def remove_connection(klass) pool = @class_to_pool.delete(klass.name) return nil unless pool @connection_pools.delete pool.spec pool.automatic_reconnect = false pool.disconnect! pool.spec.config end