Function lldiv_t_to_datetime

sql/sql_time.cc:408–436

Convert lldiv_t to datetime. @param lld The value to convert from. @param OUT ltime The variable to convert to. @param flags Conversion flags. @param IN/OUT warnings Warning flags. @return False on success, true on error. */

  @return                False on success, true on error.
*/
static bool
lldiv_t_to_datetime(lldiv_t lld, MYSQL_TIME *ltime, uint flags, int *warnings)
{
  if (lld.rem < 0 || // Catch negative numbers with zero int part, e.g: -0.1
      number_to_datetime(lld.quot, ltime, flags, warnings) == LL(-1))
  {
    /* number_to_datetime does not clear ltime in case of ZERO DATE */
    set_zero_time(ltime, MYSQL_TIMESTAMP_ERROR);
    if (!*warnings) /* Neither sets warnings in case of ZERO DATE */
      *warnings|= MYSQL_TIME_WARN_TRUNCATED;
    return true;
  }
  else if (ltime->time_type == MYSQL_TIMESTAMP_DATE)
  {
    /*
      Generate a warning in case of DATE with fractional part:
        20011231.1234 -> '2001-12-31'
      unless the caller does not want the warning: for example, CAST does.
    */
    if (lld.rem && !(flags & TIME_NO_DATE_FRAC_WARN))
      *warnings|= MYSQL_TIME_WARN_TRUNCATED;
  }
  else if (!(flags & TIME_NO_NSEC_ROUNDING))
  {
    ltime->second_part= lld.rem / 1000;
    return datetime_add_nanoseconds_with_round(ltime, lld.rem % 1000, warnings);
  }
  return false;
}


/**