Why this matters
The rename completes atomically in the database, but every running app instance that still references the old name starts erroring the moment the migration runs. Use add → dual-write → backfill → drop across separate deploys.
Examples
Incorrect
ALTER TABLE users RENAME COLUMN email_address TO email;Correct
ALTER TABLE users ADD COLUMN email text;Configure it
// eslint.config.js
import postgresql from "eslint-plugin-postgresql";
export default [
{
files: ["**/*.sql"],
languageOptions: {
parser: postgresql.configs.recommended.languageOptions.parser,
},
plugins: { postgresql },
rules: {
"postgresql/no-rename-column": "warn",
},
},
]; Options
Edit the SQL — only no-rename-column is enabled.
Pre-filled with the first incorrect example. Toggle off in the rule shelf to see how the diagnostic disappears.
Diagnostics
No issues found.
2 rules enabled.
Rule under test
no-rename-column — plus no-syntax-error as a safety net.