Function tryParseTimestampString

bolt/type/TimestampConversion.cpp:502–546

String format is "YYYY-MM-DD hh:mm:ss.microseconds" (seconds and microseconds are optional). ISO 8601

// String format is "YYYY-MM-DD hh:mm:ss.microseconds" (seconds and microseconds
// are optional). ISO 8601
bool tryParseTimestampString(
    const char* buf,
    size_t len,
    size_t& pos,
    Timestamp& result) {
  int64_t daysSinceEpoch = 0;
  int64_t microsSinceMidnight = 0;
  if (tryParseDateString(
          buf,
          len,
          pos,
          daysSinceEpoch,
          ParseMode::kNonStrict | ParseMode::kNonStandardCast) !=
      DateParseResult::kSuccess) {
    return false;
  }

  if (pos == len) {
    // No time: only a date.
    result = fromDatetime(daysSinceEpoch, 0);
    return true;
  }

  if (buf[pos] == ' ' || buf[pos] == 'T') {
    pos++;
  }

  // Try to parse a time field.
  size_t timePos = 0;
  if (!tryParseTimeString(
          buf + pos,
          len - pos,
          timePos,
          microsSinceMidnight,
          ParseMode::kNonStrict | ParseMode::kNonStandardCast)) {
    // The rest of the string is not a valid time, but it could be relevant to
    // the caller (e.g. it could be a time zone), return the date we parsed
    // and let them decide what to do with the rest.
    result = fromDatetime(daysSinceEpoch, 0);
    return true;
  }
  pos += timePos;
  result = fromDatetime(daysSinceEpoch, microsSinceMidnight);
  return true;
}

bool tryParseUTCOffsetString(
    const char* buf,