@Override
    public List<Execution> map(ResultSet resultSet) throws SQLException {
      this.delegate.map(resultSet);
      return this.executions;
    }
Instead of doing delete+insert, we allow updating an existing execution will all new fields

@return the execution-time of the new execution
db-scheduler/src/main/java/com/github/kagkarlsson/scheduler/jdbc/JdbcTaskRepository.java