CREATE TABLE IF NOT EXISTS trips (
    id VARCHAR(36) PRIMARY KEY,
    latitude DOUBLE,
    longitude DOUBLE,
    timestamp DATETIME,
    train_name VARCHAR(50),
    fahrt_nr VARCHAR(20),
    trip_id VARCHAR(255),
    planned_timestamp DATETIME,
    delay INT
);

CREATE TABLE IF NOT EXISTS delay_stats (
    id VARCHAR(36) PRIMARY KEY,
    fahrt_nr VARCHAR(255),
    total_trips INT,
    delayed_trips INT,
    avg_delay FLOAT,
    last_updated DATETIME
);