message: BLOB values from hex strings.
diff: @@ -96,8 +96,7 @@ public:
  static Value LIST(std::vector<Value> values);
  //! Create a blob Value from a specified value
  - static Value BLOB(string data);
  -
  + static Value BLOB(string data, bool must_cast = true);
  template <class T> T GetValue() {
  throw NotImplementedException("Unimplemented template type for Value::GetValue");
  @@ -197,10 +196,6 @@ public:
  private:
  SQLType sql_type = SQLType(SQLTypeId::INVALID);
  - //! The hexadecimal value of the object used only for BLOB values
  - //! It's need for heap allocation
  - string hexa_str_value;
  -
  private:
  template <class T> T GetValueInternal();
  //! Templated helper function for casting
  