ALTER TABLE contacts ADD COLUMN phone TEXT NOT NULL DEFAULT '';
ALTER TABLE contacts ADD COLUMN job_title TEXT NOT NULL DEFAULT '';
ALTER TABLE contacts ADD COLUMN address TEXT NOT NULL DEFAULT '';
ALTER TABLE contacts ADD COLUMN website TEXT NOT NULL DEFAULT '';
ALTER TABLE contacts ADD COLUMN birthday TEXT NOT NULL DEFAULT '';

CREATE TABLE IF NOT EXISTS contact_photos (
    contact_id TEXT PRIMARY KEY,
    content_type TEXT NOT NULL,
    data BLOB NOT NULL,
    updated_at TEXT NOT NULL DEFAULT (datetime('now')),
    FOREIGN KEY (contact_id) REFERENCES contacts(id) ON DELETE CASCADE
);