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Python数据清洗及预处理大法

  • 2026-02-20 13:03:37
Python数据清洗及预处理大法
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2ec7574fc99c29562881f876456ae8fb
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  1. CONNECT:[ UseTime:0.000592s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000808s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000313s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000482s ]
  6. SELECT * FROM `set` [ RunTime:0.000202s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000491s ]
  8. SELECT * FROM `article` WHERE `id` = 475559 LIMIT 1 [ RunTime:0.000362s ]
  9. UPDATE `article` SET `lasttime` = 1772266257 WHERE `id` = 475559 [ RunTime:0.016780s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.009910s ]
  11. SELECT * FROM `article` WHERE `id` < 475559 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000651s ]
  12. SELECT * FROM `article` WHERE `id` > 475559 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000472s ]
  13. SELECT * FROM `article` WHERE `id` < 475559 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002220s ]
  14. SELECT * FROM `article` WHERE `id` < 475559 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014982s ]
  15. SELECT * FROM `article` WHERE `id` < 475559 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001822s ]
0.116859s