PRAGMA foreign_keys=ON;
CREATE TABLE IF NOT EXISTS meta (key TEXT PRIMARY KEY,value TEXT NOT NULL);
CREATE TABLE IF NOT EXISTS sources (name TEXT PRIMARY KEY, revision TEXT NOT NULL, indexed INTEGER NOT NULL DEFAULT 0, documents INTEGER NOT NULL DEFAULT 0);
CREATE TABLE IF NOT EXISTS vulnerabilities (id TEXT PRIMARY KEY, published TEXT, modified TEXT, state TEXT, summary TEXT);
CREATE TABLE IF NOT EXISTS aliases (alias TEXT NOT NULL, vulnerability_id TEXT NOT NULL REFERENCES vulnerabilities(id) ON DELETE CASCADE, PRIMARY KEY(alias,vulnerability_id));
CREATE INDEX IF NOT EXISTS idx_aliases_vuln ON aliases(vulnerability_id);
CREATE TABLE IF NOT EXISTS affected_packages (
 id TEXT PRIMARY KEY, vulnerability_id TEXT NOT NULL REFERENCES vulnerabilities(id) ON DELETE CASCADE,
 ecosystem TEXT, package_name TEXT, ranges_json TEXT NOT NULL, versions_json TEXT NOT NULL, source TEXT NOT NULL);
CREATE INDEX IF NOT EXISTS idx_affected_vuln ON affected_packages(vulnerability_id);
CREATE INDEX IF NOT EXISTS idx_affected_package ON affected_packages(ecosystem,package_name);
CREATE TABLE IF NOT EXISTS cpe_matches (
 id TEXT PRIMARY KEY, vulnerability_id TEXT NOT NULL REFERENCES vulnerabilities(id) ON DELETE CASCADE,
 criteria TEXT, vulnerable INTEGER, version_start_including TEXT, version_start_excluding TEXT,
 version_end_including TEXT, version_end_excluding TEXT, source TEXT NOT NULL);
CREATE INDEX IF NOT EXISTS idx_cpe_vuln ON cpe_matches(vulnerability_id);
-- Conditions expressed as AND, OR and negate are deliberately NOT converted into independent vulnerability assertions.