vaultwarden/migrations/postgresql/2019-11-17-011009_add_email_verification/up.sql

ALTER TABLE users ADD COLUMN verified_at TIMESTAMP DEFAULT NULL;
ALTER TABLE users ADD COLUMN last_verifying_at TIMESTAMP DEFAULT NULL;
ALTER TABLE users ADD COLUMN login_verify_count INTEGER NOT NULL DEFAULT 0;
ALTER TABLE users ADD COLUMN email_new VARCHAR(255) DEFAULT NULL;
ALTER TABLE users ADD COLUMN email_new_token VARCHAR(16) DEFAULT NULL;