dictGet('name', ...) should check for XML dictionary 'name' if XML dict=name does not exists then use SQL dictionary from the currectDatabase()

attribute_names.emplace_back(name_col->getValue<String>());
        else if (const auto * tuple_col_const = checkAndGetColumnConst<ColumnTuple>(column.get()))
        {
            const ColumnTuple & tuple_col = assert_cast<const ColumnTuple &>(tuple_col_const->getDataColumn());
            size_t tuple_size = tuple_col.tupleSize();
            if (tuple_size < 1)
                throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
                    "Tuple second argument of function ({}) must contain multiple constant string columns");
            for (size_t i = 0; i < tuple_col.tupleSize(); ++i)
            {
                const auto * tuple_column = tuple_col.getColumnPtr(i).get();
                const auto * attribute_name_column = checkAndGetColumn<ColumnString>(tuple_column);
                if (!attribute_name_column)
                    throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
                        "Tuple second argument of function ({}) must contain multiple constant string columns",
                        getName());
                attribute_names.emplace_back(attribute_name_column->getDataAt(0));
            }
        }
        else
            throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
                "Illegal type ({}) of second argument of function ({}), expected a const string or const tuple of const strings.",
                type->getName(),
                getName());
        return attribute_names;
    }
    mutable FunctionDictHelper helper;
};
template <typename DataType, typename Name, DictionaryGetFunctionType dictionary_get_function_type>
class FunctionDictGetImpl final : public IFunction