test database privilige and index + delete ep packets

setup_database.sh

@@ -89,9 +89,17 @@ GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO $DB_USER;
 -- Grant sequence permissions (needed for SERIAL / BIGSERIAL)
 GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO $DB_USER;
 
+-- Change ownership to ensure the user can manage the table
+ALTER TABLE packets OWNER TO $DB_USER;
+ALTER SEQUENCE packets_id_seq OWNER TO $DB_USER;
+
 -- Ensure future tables & sequences also get permissions
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO $DB_USER;
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT USAGE, SELECT, UPDATE ON SEQUENCES TO $DB_USER;
+
+-- Create indexes for faster queries
+CREATE INDEX IF NOT EXISTS idx_packets_timestamp ON packets(timestamp DESC);
+CREATE INDEX IF NOT EXISTS idx_packets_src_ip ON packets(src_ip);
 EOF
 
 echo "Done. PostgreSQL is ready for LAN + localhost connections."