Rails Trick: List All Columns in One Line

Need to see all columns of a model? Stop guessing. Just run this one line. 👇

✅ The One-Liner

Product.column_names

➡️ Returns an array of all column names as strings:

["id", "name", "price", "created_at", "updated_at"]

Perfect for introspection, debugging, or dynamic UI.

🔍 Why It’s Useful

• Dynamically build forms or tables
• Quickly check schema without rails db
• Use in admin dashboards, seed scripts, or logs

⚡ Pro Tip

Want to exclude Rails metadata fields?

Product.column_names - ["id", "created_at", "updated_at"]

Clean and ready for custom display.

🧾 TL;DR