Method operation

src/function/list/list_to_string_function.cpp:16–41

};

void ListToString::operation(string_t& delim, list_entry_t& input, string_t& result,
    ValueVector& /*delimVector*/, ValueVector& inputVector, ValueVector& resultVector) {
    std::string resultStr = "";
    bool outputDelim = false;
    if (input.size != 0) {
        auto dataVector = ListVector::getDataVector(&inputVector);
        if (!dataVector->isNull(input.offset)) {
            resultStr += TypeUtils::entryToString(dataVector->dataType,
                ListVector::getListValuesWithOffset(&inputVector, input, 0 /* offset */),
                dataVector);
            outputDelim = true;
        }
        for (auto i = 1u; i < input.size; i++) {
            if (dataVector->isNull(input.offset + i)) {
                continue;
            }
            if (outputDelim) {
                resultStr += delim.getAsString();
            }
            outputDelim = true;
            resultStr += TypeUtils::entryToString(dataVector->dataType,
                ListVector::getListValuesWithOffset(&inputVector, input, i), dataVector);
        }
    }
    StringVector::addString(&resultVector, result, resultStr);
}

static std::unique_ptr<FunctionBindData> bindFunc(const ScalarBindFuncInput& input) {
    std::vector<LogicalType> paramTypes;