22:11, 10 марта 2026Мир
Every WHERE id = N query flows through codegen_select_full_scan(), which emits linear walks through every row via Rewind / Next / Ne to compare each rowid against the target. At 100 rows with 100 lookups, that is 10,000 row comparisons instead of roughly 700 B-tree steps. O(n²) instead of O(n log n). This is consistent with the ~20,000x result in this run.
，这一点在whatsapp中也有详细论述
Who picks up the pieces? The data points squarely at YouTube, which holds a 78% favorable rating among Gen Z, with 38% planning to use it more next year—the highest growth intent of any platform. “YouTube is the serious relationship while everything else is chaotic dating,” the Harris Poll said. There’s also a quieter migration underway: 11% of Gen Z already use Substack daily, signaling an appetite for “intentional, curated content over algorithmic feeds.” The generation that invented the scroll may be quietly engineering its own escape from it.。业内人士推荐谷歌作为进阶阅读
第一次是3月2日在阿聯酋首都阿布扎比前往鄰國阿曼的大巴上。當時戰鬥機在頭頂盤旋，他們心想：戰鬥機會不會等下就要往下炸了。。wps对此有专业解读