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// SPDX-License-Identifier: Apache-2.0

// SPDX-FileCopyrightText: Copyright the Vortex contributors

#include <filesystem>

#include <iostream>

#include <vortex/data_source.hpp>

#include <vortex/writer.hpp>

using namespace std::string_view_literals;

using namespace vortex;

using namespace expr;

using namespace ops; // overloaded >= for Expressions

namespace fs = std::filesystem;

int main() {

// docs:begin:example

const Session session;

const DataSource ds = DataSource::open(session, {"people*.vortex", "me.vortex"});

Scan scan = ds.scan({.filter = col("height") >= lit<uint16_t>(50)});

for (Partition &partition : scan.partitions()) {

for (Array &array : partition.batches()) {

const Array age = array.field("age");

const PrimitiveView<uint8_t> age_view = age.values<uint8_t>(session);

const std::span<const uint8_t> age_values = age_view.values();

for (uint8_t value : age_values) {

std::cout << int(value) << " ";

}

std::cout << "\n";

// docs:end:example

return 0;

}