Method CastToTimestampVal

be/src/exprs/cast-functions-ir.cc:508–526

CAST_TO_TIMESTAMP(BigIntVal);

TimestampVal CastFunctions::CastToTimestampVal(FunctionContext* ctx,
    const StringVal& val) {
  DCHECK(ctx != nullptr);
  if (val.is_null) return TimestampVal::null();
  const DateTimeFormatContext* format_ctx =
      reinterpret_cast<const DateTimeFormatContext*>(
          ctx->GetFunctionState(FunctionContext::FRAGMENT_LOCAL));
  TimestampValue tv;
  if (format_ctx != nullptr) {
    tv = TimestampValue::ParseIsoSqlFormat(reinterpret_cast<const char*>(val.ptr),
        val.len, *format_ctx);
  } else {
    tv = TimestampValue::ParseSimpleDateFormat(reinterpret_cast<const char*>(val.ptr),
        val.len);
  }
  TimestampVal result;
  tv.ToTimestampVal(&result);
  return result;
}

TimestampVal CastFunctions::CastToTimestampVal(FunctionContext* ctx, const DateVal& val) {
  if (val.is_null) return TimestampVal::null();