Building a SQL Tokenizer and Formatter From Scratch — Supporting 6 Dialects

📰 Dev.to · Eresh Gorantla

Learn to build a SQL tokenizer and formatter from scratch, supporting 6 dialects, and improve your skills in SQL parsing and formatting

advanced Published 21 Mar 2026
Action Steps
  1. Build a SQL tokenizer to split SQL code into individual tokens
  2. Implement a parser to analyze the tokens and understand the SQL syntax
  3. Develop a formatter to rearrange the tokens into a readable and consistent format
  4. Test the tokenizer and formatter with different SQL dialects, such as MySQL, PostgreSQL, and SQL Server
  5. Configure the formatter to support additional dialects and customize the formatting options
Who Needs to Know This

Developers and database administrators who work with SQL can benefit from this knowledge to improve their workflow and automate formatting tasks

Key Insight

💡 Building a SQL tokenizer and formatter from scratch requires a deep understanding of SQL syntax and parsing, but can be a valuable tool for automating formatting tasks

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🚀 Build a SQL tokenizer and formatter from scratch to improve your SQL workflow! 💻

Key Takeaways

Learn to build a SQL tokenizer and formatter from scratch, supporting 6 dialects, and improve your skills in SQL parsing and formatting

Full Article

Try it: devprix.dev/tools/sql-formatter This is part of DevPrix — 56 free developer tools that run...
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