ksql

KSQL: The Keep It Simple SQL Library

KSQL stands out as a practical tool for interacting with SQL databases, specifically tailored for the Go programming language (Golang). It was created to simplify database interactions while providing a robust and user-friendly API. Despite not focusing on innovative features absent in other libraries, KSQL emphasizes ease of learning, debugging, and minimizing common programming errors.

Core Principles

• Simplicity and Usability: KSQL's design philosophy revolves around an easy-to-understand API, making it approachable for both novice and seasoned programmers.
• Decoupled Backend: KSQL relies on trusted technologies for database communication, such as pgx and database/sql. Users can even implement custom backend adapters, providing flexibility and adaptability for different use cases.

Noteworthy Features

• Consistent Error Handling: Operations return errors uniformly, making error management straightforward.
• Helper Functions: For everyday database operations like inserting, patching, and deleting data.
• Generic Querying and Scanning: Powerful functions to query and scan data directly into Go structs.
• Compatibility with Established Libraries: Built on database/sql and pgx, offering reliability and performance.
• Data Type Support: Supports sql.Scanner and sql.Valuer, with expanded functionality for pgx types through KSQL's kpgx.

Getting Started with KSQL

KSQL is straightforward to implement, as demonstrated by a concise example that showcases its primary capabilities. Here’s an overview of how to get started:

1. Define your data structure using Go structs and KSQL tags to map to SQL columns.
2. Initialize your database connection using an adapter suitable for your database type (e.g., PostgreSQL, MySQL, SQLite).
3. Use KSQL to perform query operations such as fetching data and executing transactions.

Supported Adapters

KSQL supports a variety of database adapters, each catering to the respective database or its driver version:

• Postgres: Through kpgx and kpgx5 adapters.
• MySQL: Supported via the kmysql adapter.
• SQLServer: Functional using the ksqlserver adapter.
• SQLite: Offers adapters ksqlite3 (requires CGO) and ksqlite (does not require CGO).

Practical Use Cases

In addition to basic CRUD operations such as insert, update, delete, and query, KSQL excels in:

• Transactions: Easily manage database transactions with rollback capabilities in case of errors.
• Handling Complex Queries: Fetch data from joined tables or execute partial updates using advanced querying capabilities.

Interface and Extensibility

KSQL provides a minimalistic interface (ksql.Provider) designed for ease of use and integration, along with a focus on extensibility to accommodate additional features with flexibility.

Performance and Benchmarking

KSQL performs competitively against other database libraries such as sqlx, pgx, and gorm, particularly when interfacing with PostgreSQL. The library delivers efficient querying and insertion operations, striking a balance between simplicity, functionality, and speed. It’s notable that with KSQL, your database interaction remains performant while maintaining an intuitive coding experience.

KSQL represents an optimal choice for Go developers seeking an uncomplicated yet powerful way to handle SQL database interactions. Whether you are managing simple queries or complex transaction flows, KSQL is designed to simplify your work without sacrificing performance.