HappenLee commented on code in PR #27342:
URL: https://github.com/apache/doris/pull/27342#discussion_r1411542559
##########
be/src/vec/functions/function_ip.h:
##########
@@ -250,4 +252,98 @@ class FunctionIPv4StringToNum : public IFunction {
}
};
+class FunctionIPv6NumToString : public IFunction {
+public:
+ static constexpr auto name = "ipv6numtostring";
+ static FunctionPtr create() { return
std::make_shared<FunctionIPv6NumToString>(); }
+
+ String get_name() const override { return name; }
+
+ size_t get_number_of_arguments() const override { return 1; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ const auto* arg_string =
check_and_get_data_type<DataTypeString>(arguments[0].get());
+ const auto* arg_ipv6 =
check_and_get_data_type<DataTypeIPv6>(arguments[0].get());
+ if (!arg_ipv6 && !(arg_string))
+ throw Exception(ErrorCode::INVALID_ARGUMENT,
+ "Illegal type {} of argument of function {},
expected IPv6 or String",
+ arguments[0]->get_name(), get_name());
+
+ return make_nullable(std::make_shared<DataTypeString>());
+ }
+
+ bool use_default_implementation_for_nulls() const override { return true; }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) const override
{
+ ColumnPtr column = block.get_by_position(arguments[0]).column;
Review Comment:
`auto&` or `ColumnPtr&`
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