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免费下载|PostgreSQL脏读测试

  • 2026-04-23 15:57:32
免费下载|PostgreSQL脏读测试

今天推荐的是墨天轮用户上传的《PostgreSQL脏读测试》文档，全文共7页，通过完整可复现的测试流程，从建表、多会话操作到底层数据页校验，清晰验证了 PostgreSQL 在不同事务隔离级别下的脏读表现。

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  1. CONNECT:[ UseTime:0.000513s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000898s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000334s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000287s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000492s ]
  6. SELECT * FROM `set` [ RunTime:0.000195s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000501s ]
  8. SELECT * FROM `article` WHERE `id` = 478297 LIMIT 1 [ RunTime:0.000365s ]
  9. UPDATE `article` SET `lasttime` = 1776945195 WHERE `id` = 478297 [ RunTime:0.002777s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000231s ]
  11. SELECT * FROM `article` WHERE `id` < 478297 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000420s ]
  12. SELECT * FROM `article` WHERE `id` > 478297 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001024s ]
  13. SELECT * FROM `article` WHERE `id` < 478297 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001778s ]
  14. SELECT * FROM `article` WHERE `id` < 478297 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003678s ]
  15. SELECT * FROM `article` WHERE `id` < 478297 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005076s ]
0.098521s