Contents

• pg_cext PostgreSQL Extension
  • Installation
    • Build and Install
  • Usage
  • Uninstallation
    • Contributing
  • License

pg_cext PostgreSQL Extension

This is a PostgreSQL extension implemented in C that adds two numbers. It demonstrates how to create a simple extension for PostgreSQL using the C language.

Installation

1. Ensure you have PostgreSQL installed on your system.

2. Clone or download the repository pg_cext to your local machine.

3. Change to the extension directory:

$ cd pg_cext

Build and Install

To build and install the extension, follow these steps:

bash $ make $ sudo make install

This will compile the extension and install it into your PostgreSQL installation.

Usage

After the extension is installed, you can use the add_nums function to add two numbers together.

```sql -- Load the extension CREATE EXTENSION pg_cext;

-- Use the add_nums function SELECT add_nums(5, 3); -- Returns 8 ```

Uninstallation

To uninstall the extension, you can run the following SQL command:

sql DROP EXTENSION pg_cext;

Contributing

Contributions are welcome! If you find any issues or have suggestions for improvements, please open an issue or submit a pull request on the GitHub repository pg_cext.

License

This project is licensed under the PostgreSQL License.