Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
2025年，京津冀三地地区生产总值分别比上年增长5.4％、4.8％和5.6％，协同发展效能持续释放。
，更多细节参见快连下载安装
2025-12-15 13:18
[ any anyMessage: any2 ] bpattern