MKDBToy is a database system designed primarily for educational purposes, inspired by various resources. This guide will walk you through the steps of setting it up, compiling it, running tests, and finally executing the database server. So roll up your sleeves and let’s dive into the world of databases!

Installation Steps

Before you can start using MKDBToy, you need to ensure that you have the correct tools installed. Here’s how to do it:

• Install Rust: If you don’t have Rust installed, you can easily set it up by visiting rustup.rs and following the instructions.
• Install the Nightly Toolchain:

  bash
          rustup toolchain install nightly
          

  This command installs the nightly version of the Rust toolchain, which is necessary for MKDBToy.

• Compile the Project:

  bash
          cargo +nightly build
          

  This command uses Cargo to compile MKDBToy.

• Set Default Toolchain (Optional): If you wish to avoid specifying +nightly for every Cargo command, you can set the default toolchain:

  bash
          rustup default nightly
          

Checking Compiler Version

Sometimes you might encounter compilation errors. If that happens, it might be due to the compiler version. To check the current version of rustc, run the following command:

bash
rustc +nightly --version

Compare this output to the version mentioned in the latest documentation or the one you used to compile and test the project, such as rustc 1.78.0-nightly (9c3ad802d 2024-03-07).

Testing Your Setup

After compiling, it’s important to ensure everything is functioning as expected. You can run all unit tests using the following command:

bash
cargo +nightly test

Working with Unsafe Code

MKDBToy incorporates unsafe code in particular modules. For testing undefined behavior in these sections, you can utilize Miri. Here’s how:

• Add Miri Component:

  bash
          rustup +nightly component add miri
          

• Test Pages Using Miri:

  bash
          cargo +nightly miri test storage::page::tests
          

• Test Related Modules:

  bash
          cargo +nightly miri test paging
          cargo +nightly miri test storage::btree
          

Running MKDBToy

Once everything is set up correctly, you can run the MKDBToy database server. To start the server on the default port (8000), use the following command:

bash
cargo +nightly run -- file.db 8000

The file file.db can either be an empty file or a previously managed database by MKDBToy. The server operates in a manner similar to SQLite, but remember, you must connect to the server using a TCP client that adheres to the protocol located in .src/tcpproto.rs.

Using the Console Client

To interact with your MKDBToy server, you can utilize the console client package. Below is the command to connect to the running server:

bash
cargo +nightly run --package client -- 8000

This command connects to the MKDBToy server running on port 8000 and provides a shell for typing SQL commands and viewing results.

Troubleshooting Common Issues

If you encounter problems while setting up or running MKDBToy, here are some troubleshooting tips:

• Ensure Rust is correctly installed: Re-run the installation commands to verify.
• Check your compiler version for mismatches, especially if you experience compilation errors.
• Make sure to run tests after compiling to ensure all components are functioning.
• If the server fails to start, verify that no other services are using port 8000.

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Conclusion

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