text: "use strict";
  const cassandra = require('cassandra-driver');
  
  const client = new cassandra.Client({ contactPoints: ['127.0.0.1'], localDataCenter: 'dc1' });
  
  /**
   * Creates a table and retrieves its information
   */
  client.connect()
    .then(function () {
      const query = "CREATE KEYSPACE IF NOT EXISTS examples WITH replication =" +
        "{'class': 'SimpleStrategy', 'replication_factor': '1' }";
      return client.execute(query);
    })
    .then(function () {
      const query = "CREATE TABLE IF NOT EXISTS examples.trace_tbl1 (id uuid, txt text, PRIMARY KEY(id))";
      return client.execute(query);
    })
    .then(function () {
      const query = "INSERT INTO examples.trace_tbl1 (id, txt) VALUES (?, ?)";
      return client.execute(query, [cassandra.types.Uuid.random(), 'hello trace'], { traceQuery: true});
    })
    .then(function (result) {
      const traceId = result.info.traceId;
      return client.metadata.getTrace(traceId);
    })
    .then(function (trace) {
      console.log('Trace for the execution of the query:');
      console.log(trace);
      console.log('The trace was retrieved successfully');
      return client.shutdown();
    })
    .catch(function (err) {
      console.error('There was an error', err);
      return client.shutdown().then(() => { throw err; });
    });