amorynan commented on code in PR #21109:
URL: https://github.com/apache/doris/pull/21109#discussion_r1243114148


##########
be/src/vec/data_types/serde/data_type_number_serde.cpp:
##########
@@ -92,6 +95,63 @@ void DataTypeNumberSerDe<T>::write_column_to_arrow(const 
IColumn& column, const
     }
 }
 
+template <typename T>
+Status DataTypeNumberSerDe<T>::deserialize_one_cell_from_text(IColumn& column, 
ReadBuffer& rb,
+                                                              const 
FormatOptions& options) const {
+    auto& column_data = reinterpret_cast<ColumnType&>(column);
+    if constexpr (std::is_same<T, UInt128>::value) {
+        // TODO: support for Uint128
+        return Status::InvalidArgument("uint128 is not support");
+    } else if constexpr (std::is_same_v<T, float> || std::is_same_v<T, 
double>) {
+        T val = 0;
+        if (!read_float_text_fast_impl(val, rb)) {
+            return Status::InvalidArgument("parse number fail, string: '{}'",
+                                           std::string(rb.position(), 
rb.count()).c_str());
+        }
+        column_data.insert_value(val);
+    } else if constexpr (std::is_same_v<T, uint8_t>) {
+        // Note: here we should handle the bool type
+        T val = 0;
+        if (!try_read_bool_text(val, rb)) {

Review Comment:
   inner try_read_bool_text() we just make judge rb == 0 || rb == 1 , and 
return true or false , so will not result error, but here now we think uint_8 
equals bool , just keep same with data_type_number_base.cpp from_string 
behavior, but I do not sure when I get a false ,like '123' , can we just insert 
into vector<uint8> column? is that much ambiguity for uint8 and bool ?



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