CONCURRENTLY, maxReconsumeTimes = 3 // 🔥 为了演示效果，重试3次就进DLQ（生产环境默认16次） ) public class OrderConsumer implements RocketMQListener { private int retryCount = 0; @Override public void onMessage(String message) { retryCount++; log.
amount) AS total FROM customer AS c JOIN orders AS o ON o.
65亿元，同比增长12.05%；归属于上市公司股东的净利润8629.16万元，同比增长24.
IsParallelWorker() 当前进程本身不是 worker 低成本检查通过后，再遍历 Query 树： glob->maxParallelHazard = max_parallel_hazard(parse); glob->parallelModeOK = glob->maxParallelHazard !