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Python的引用计数与隐藏的循环陷阱

  • 2026-01-23 06:02:25
Python的引用计数与隐藏的循环陷阱
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  1. CONNECT:[ UseTime:0.000504s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000803s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000269s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000302s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000531s ]
  6. SELECT * FROM `set` [ RunTime:0.000260s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000589s ]
  8. SELECT * FROM `article` WHERE `id` = 466176 LIMIT 1 [ RunTime:0.000431s ]
  9. UPDATE `article` SET `lasttime` = 1770507501 WHERE `id` = 466176 [ RunTime:0.009590s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000262s ]
  11. SELECT * FROM `article` WHERE `id` < 466176 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000500s ]
  12. SELECT * FROM `article` WHERE `id` > 466176 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000428s ]
  13. SELECT * FROM `article` WHERE `id` < 466176 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001301s ]
  14. SELECT * FROM `article` WHERE `id` < 466176 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000997s ]
  15. SELECT * FROM `article` WHERE `id` < 466176 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001072s ]
0.084050s