Method UnixFromString

be/src/exprs/timestamp-functions-ir.cc:184–192

}

BigIntVal TimestampFunctions::UnixFromString(FunctionContext* context,
    const StringVal& sv) {
  if (sv.is_null) return BigIntVal::null();
  const TimestampValue& tv = TimestampValue::ParseSimpleDateFormat(
      reinterpret_cast<const char *>(sv.ptr), sv.len);
  const Timezone* tz = context->impl()->state()->time_zone_for_unix_time_conversions();
  time_t result;
  return (tv.ToUnixTime(tz, &result)) ? BigIntVal(result) : BigIntVal::null();
}

IntVal TimestampFunctions::Year(FunctionContext* context, const TimestampVal& ts_val) {
  if (ts_val.is_null) return IntVal::null();