suxiaogang223 commented on code in PR #40567:
URL: https://github.com/apache/doris/pull/40567#discussion_r1759334123
##########
be/src/vec/functions/function_string.h:
##########
@@ -2642,6 +2632,53 @@ class FunctionUrlDecode : public IFunction {
}
};
+class FunctionUrlEncode : public IFunction {
+public:
+ static constexpr auto name = "url_encode";
+ static FunctionPtr create() { return
std::make_shared<FunctionUrlEncode>(); }
+ String get_name() const override { return name; }
+ size_t get_number_of_arguments() const override { return 1; }
+ bool is_variadic() const override { return false; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ return std::make_shared<DataTypeString>();
+ }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) const override
{
+ auto res = ColumnString::create();
+ auto& res_offsets = res->get_offsets();
+ auto& res_chars = res->get_chars();
+ res_offsets.resize(input_rows_count);
+
+ ColumnPtr argument_column =
+
block.get_by_position(arguments[0]).column->convert_to_full_column_if_const();
+ const auto* url_col =
check_and_get_column<ColumnString>(argument_column.get());
+
+ if (!url_col) {
+ return Status::InternalError("Not supported input argument type");
+ }
+
+ std::string encoded_url;
+
+ for (size_t i = 0; i < input_rows_count; ++i) {
+ auto source = url_col->get_data_at(i);
+ StringRef url_val(const_cast<char*>(source.data), source.size);
+
+ if (!url_encode(url_val.to_string(), &encoded_url)) {
Review Comment:
We use the Percent-encoding to encode url, the main difference is that
spaces are encoded with %20 instead of +. See
https://stackoverflow.com/a/1634293/2751619. But whether it is %20 or +, it can
be decoded correctly.
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