Function main

samples/sample_app.py:505–541

Run the full extenddb lifecycle demonstration.

()

# ---------------------------------------------------------------------------

def main() -> int:
    """Run the full extenddb lifecycle demonstration."""
    print("extenddb Sample Application — Full Lifecycle Demo")
    print(f"Endpoint: {ENDPOINT}")
    print(f"Region:   {REGION}")

    client = make_client()

    # Clean up any leftover tables from a previous run.
    for name in [USERS_TABLE, ORDERS_TABLE, TOURNAMENT_TABLE]:
        delete_table_safe(client, name)
    # Brief pause for control plane to process deletions.
    time.sleep(1)

    try:
        create_tables(client)
        wait_for_tables(client)
        load_data(client)
        query_data(client)
        update_data(client)
        batch_operations(client)
        transaction_operations(client)
        delete_data(client)
        drop_tables(client)

        section("Done!")
        print("  All 9 steps completed successfully.")
        print("  Full lifecycle: create → load → query → update → batch → transact → delete → drop")
        return 0

    except Exception as e:
        print(f"\n  ✗ Error: {e}", file=sys.stderr)
        # Best-effort cleanup on failure.
        print("\n  Cleaning up tables...")
        for name in [USERS_TABLE, ORDERS_TABLE, TOURNAMENT_TABLE]:
            delete_table_safe(client, name)
        return 1
if __name__ == "__main__":
    sys.exit(main())