Function time_to_datetime_with_warn

sql/sql_time.cc:1018–1041

bool
time_to_datetime_with_warn(THD *thd,
                           const MYSQL_TIME *from, MYSQL_TIME *to,
                           date_conv_mode_t fuzzydate)
{
  int warn= 0;
  DBUG_ASSERT(from->time_type == MYSQL_TIMESTAMP_TIME);
  /*
    After time_to_datetime() we need to do check_date(), as
    the caller may want TIME_NO_ZERO_DATE or TIME_NO_ZERO_IN_DATE.
    Note, the SQL standard time->datetime conversion mode always returns
    a valid date based on CURRENT_DATE. So we need to do check_date()
    only in the old mode.
  */
  if (time_to_datetime(thd, from, to) ||
      ((thd->variables.old_behavior & OLD_MODE_ZERO_DATE_TIME_CAST) &&
        check_date(to, fuzzydate, &warn)))
  {
    ErrConvTime str(from);
    thd->push_warning_truncated_wrong_value("datetime", str.ptr());
    return true;
  }
  return false;
}


longlong pack_time(const MYSQL_TIME *my_time)