title: Clear prepared statement cache in AWS Keyspaces on table definition change
body: <p>Is there an easy way to clear prepared statement cache in AWS Keyspaces?
  Traditional tricks used on manual cassandra nodes cannot be used in the AWS Cloud.</p>
  <p>In Cassandra, if the table definition changes, this cache seems to be cleared. But I found some cases where AWS Keyspaces does not when you modify the table on columns used in a former prepared statement.</p>