Function bindFunc

src/function/struct/struct_pack_function.cpp:11–37

namespace function {

static std::unique_ptr<FunctionBindData> bindFunc(const ScalarBindFuncInput& input) {
    std::vector<StructField> fields;
    if (input.arguments.size() > INVALID_STRUCT_FIELD_IDX - 1) {
        throw BinderException(std::format("Too many fields in STRUCT literal (max {}, got {})",
            INVALID_STRUCT_FIELD_IDX - 1, input.arguments.size()));
    }
    std::unordered_set<std::string> fieldNameSet;
    for (auto i = 0u; i < input.arguments.size(); i++) {
        auto& argument = input.arguments[i];
        if (argument->getDataType().getLogicalTypeID() == LogicalTypeID::ANY) {
            argument->cast(LogicalType::STRING());
        }
        if (i >= input.optionalArguments.size()) {
            throw BinderException(
                std::format("Cannot infer field name for {}.", argument->toString()));
        }
        auto fieldName = input.optionalArguments[i];
        if (fieldNameSet.contains(fieldName)) {
            throw BinderException(std::format("Found duplicate field {} in STRUCT.", fieldName));
        } else {
            fieldNameSet.insert(fieldName);
        }
        fields.emplace_back(fieldName, argument->getDataType().copy());
    }
    const auto resultType = LogicalType::STRUCT(std::move(fields));
    return FunctionBindData::getSimpleBindData(input.arguments, resultType);
}

void StructPackFunctions::compileFunc(FunctionBindData* /*bindData*/,
    const std::vector<std::shared_ptr<ValueVector>>& parameters,