Would you apply this migration?

Situation

AI generated a migration to add a required phone column to users.

Environment

High-traffic e-commerce platform with peak season load.

Select suspicious lines in the terminal to flag them before submitting your verdict.

pending review

BEGIN;

ALTER TABLE users ADD COLUMN phone VARCHAR(20);

UPDATE users
SET phone = '000-000-0000'
WHERE phone IS NULL;

ALTER TABLE users ALTER COLUMN phone SET NOT NULL;

CREATE INDEX idx_users_phone ON users(phone);

COMMIT;