new

# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 78
      def initialize(connection, options, run_commit_callbacks: false)
        @connection = connection
        @state = TransactionState.new
        @records = []
        @isolation_level = options[:isolation]
        @materialized = false
        @joinable = options.fetch(:joinable, true)
        @run_commit_callbacks = run_commit_callbacks
      end