Don't parse SQL to make a query runner read-only

📰 Dev.to · ひとし 田畑

Learn why parsing SQL is not the best approach to make a query runner read-only and what alternatives to consider

intermediate Published 16 Jun 2026
Action Steps
  1. Assess the current SQL parsing approach in your query runner
  2. Identify potential security risks associated with parsing SQL
  3. Consider using a database driver or ORM to execute queries instead of parsing SQL
  4. Implement a least privilege approach to limit database access
  5. Test and validate the new approach to ensure read-only functionality
Who Needs to Know This

Developers building database tools and query runners can benefit from this knowledge to improve the security and efficiency of their applications

Key Insight

💡 Parsing SQL is not the best way to make a query runner read-only, as it can introduce security risks and inefficiencies

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🚨 Don't parse SQL to make a query runner read-only! Consider alternative approaches to improve security and efficiency 💡

Full Article

Say you're building a tool that lets people run ad-hoc SQL against a database, and you want a...
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