postgresql/no-add-column-not-null-without-default

Why this matters

On any table that already has rows, `ALTER TABLE ADD COLUMN ... NOT NULL` aborts because existing rows have no value for the new column. Supply a `DEFAULT`, or add the column nullable, backfill, then `SET NOT NULL`.

Examples

ALTER TABLE users ADD COLUMN status text NOT NULL;

ALTER TABLE users ADD COLUMN status text NOT NULL DEFAULT 'active';

ALTER TABLE users ADD COLUMN status 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-add-column-not-null-without-default": "error",
    },
  },
];

Options

This rule has no options.