CREATE TABLE IF NOT EXISTS updates (
    image           TEXT PRIMARY KEY,
    diun_version    TEXT NOT NULL DEFAULT '',
    hostname        TEXT NOT NULL DEFAULT '',
    status          TEXT NOT NULL DEFAULT '',
    provider        TEXT NOT NULL DEFAULT '',
    hub_link        TEXT NOT NULL DEFAULT '',
    mime_type       TEXT NOT NULL DEFAULT '',
    digest          TEXT NOT NULL DEFAULT '',
    created         TEXT NOT NULL DEFAULT '',
    platform        TEXT NOT NULL DEFAULT '',
    ctn_name        TEXT NOT NULL DEFAULT '',
    ctn_id          TEXT NOT NULL DEFAULT '',
    ctn_state       TEXT NOT NULL DEFAULT '',
    ctn_status      TEXT NOT NULL DEFAULT '',
    received_at     TEXT NOT NULL,
    acknowledged_at TEXT
);

CREATE TABLE IF NOT EXISTS tags (
    id   INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL UNIQUE
);

CREATE TABLE IF NOT EXISTS tag_assignments (
    image  TEXT PRIMARY KEY,
    tag_id INTEGER NOT NULL REFERENCES tags(id) ON DELETE CASCADE
);