DBConnection Integration in MySQL Adapter for Ecto

This article is the third part in a series on building a new MySQL adapter for Ecto. Author Wojtek Mach discusses how to integrate DBConnection to achieve a production-quality driver. The key concepts covered include maintaining a connection pool, reconnection strategies, and handling transactions and streaming efficiently. DBConnection is a behavior module that aids in implementing database connection client processes, pools, and transactions, providing reliability and performance. The article offers an in-depth walkthrough of implementing DBConnection callbacks, such as connect, prepare, execute, and more. The separation of protocol data from interactions is emphasized to ensure code maintainability.