Function fromTimestampString

bolt/type/TimestampConversion.cpp:913–1215

} // namespace

Timestamp fromTimestampString(const char* str, size_t len, bool* nullOutput) {
  size_t pos;
  int64_t daysSinceEpoch;
  int64_t microsSinceMidnight;

  auto result = tryParseDateString(
      str,
      len,
      pos,
      daysSinceEpoch,
#ifndef SPARK_COMPATIBLE
      ParseMode::kNonStrict);
#else
      ParseMode::kNonStrict | ParseMode::kNonStandardCast);
#endif
  if (result != DateParseResult::kSuccess) {
    if (nullOutput != nullptr) {
      *nullOutput = true;
      return Timestamp{};
    } else {
      parserError(str, len);
    }
  }

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

  // Try to parse a time field.
  if (str[pos] == ' ' || str[pos] == 'T') {
    pos++;
  }

  size_t timePos = 0;
  if (!tryParseTimeString(
          str + pos,
          len - pos,
          timePos,
          microsSinceMidnight,
#ifndef SPARK_COMPATIBLE
          ParseMode::kNonStrict)) {
#else
          ParseMode::kNonStrict | ParseMode::kNonStandardCast)) {
#endif
    if (nullOutput != nullptr) {
      *nullOutput = true;
      return Timestamp{};
    } else {
      parserError(str, len);
    }
  }

  pos += timePos;
  auto timestamp = fromDatetime(daysSinceEpoch, microsSinceMidnight);

  if (pos < len) {
    // Skip a "Z" at the end (as per the ISO 8601 specs).