website/docs/user-guide/cpp/example/index.md

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sidebar_position: 1
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# Example

Minimal working example: connect to Fluss, create a table, write data, and read it back.

```cpp
#include <iostream>
#include "fluss.hpp"

int main() {
    // Connect
    fluss::Configuration config;
    config.bootstrap_servers = "127.0.0.1:9123";

    fluss::Connection conn;
    fluss::Connection::Create(config, conn);

    fluss::Admin admin;
    conn.GetAdmin(admin);

    // Create a log table
    fluss::TablePath table_path("fluss", "quickstart_cpp");
    auto schema = fluss::Schema::NewBuilder()
        .AddColumn("id", fluss::DataType::Int())
        .AddColumn("name", fluss::DataType::String())
        .Build();
    auto descriptor = fluss::TableDescriptor::NewBuilder()
        .SetSchema(schema)
        .Build();
    admin.CreateTable(table_path, descriptor, true);

    // Write
    fluss::Table table;
    conn.GetTable(table_path, table);

    fluss::AppendWriter writer;
    table.NewAppend().CreateWriter(writer);

    fluss::GenericRow row;
    row.SetInt32(0, 1);
    row.SetString(1, "hello");
    writer.Append(row);
    writer.Flush();

    // Read
    fluss::LogScanner scanner;
    table.NewScan().CreateLogScanner(scanner);
    auto info = table.GetTableInfo();
    for (int b = 0; b < info.num_buckets; ++b) {
        scanner.Subscribe(b, 0);
    }
    fluss::ScanRecords records;
    scanner.Poll(5000, records);
    for (const auto& rec : records) {
        std::cout << "id=" << rec.row.GetInt32(0)
                  << ", name=" << rec.row.GetString(1) << std::endl;
    }

    return 0;
}
```