title: how innodb resolve in-flight transaction？
body: <p>client submits a commit statement and receives a message stating that communication failed. This type of failure can occur for several reasons, including a database instance failure or network outage. In this scenario, the client does not know the state of the transaction.</p>
  
  <p>how innodb resolve such in-flight transaction？
  the transaction is success or fail ？</p>