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Mysql 对已有数据进行主键重置

来源：站长源码网 作者：野仄 时间：2026-07-05
浏览：11 收藏 点赞(0)
简介：重置已有数据主键 set @rownum = 0; update table_name set id= @rownum := @rownum+1; table_name：数据表 id：主键

重置已有数据主键

set @rownum = 0;
update table_name set id= @rownum := @rownum+1;

table_name：数据表
id：主键
标签：已有主键数据
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  3. #2 [time:0.0007s] SELECT * FROM le_cms_jiaocheng WHERE id='13' LIMIT 1
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  8. #7 [time:0.0002s] SELECT * FROM le_cms_jiaocheng_views WHERE id='13' LIMIT 1
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  10. #9 [time:0.0003s] SELECT id FROM le_cms_jiaocheng WHERE cid='7' AND id<'13' ORDER BY id DESC LIMIT 0,1
  11. #10 [time:0.0003s] SELECT * FROM le_cms_jiaocheng WHERE id='12'
  12. #11 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=12 LIMIT 1
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  14. #13 [time:0.0002s] SELECT * FROM le_cms_jiaocheng WHERE id='14'
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  17. #16 [time:0.0002s] SELECT id FROM le_cms_jiaocheng_views ORDER BY views DESC LIMIT 0,8
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  20. #19 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=109 LIMIT 1
  21. #20 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=91 LIMIT 1
  22. #21 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=86 LIMIT 1
  23. #22 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=83 LIMIT 1
  24. #23 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=71 LIMIT 1
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  28. #27 [time:0.0002s] SELECT id FROM le_cms_jiaocheng ORDER BY id DESC LIMIT 0,5
  29. #28 [time:0.0003s] SELECT * FROM le_cms_jiaocheng WHERE id='112' OR id='111' OR id='110' OR id='109' OR id='108'
  30. #29 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=112 LIMIT 1
  31. #30 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=111 LIMIT 1
  32. #31 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=110 LIMIT 1
  33. #32 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=108 LIMIT 1
  34. #33 [time:0.0002s] SELECT id FROM le_cms_jiaocheng ORDER BY comments DESC LIMIT 0,5
  35. #34 [time:0.0003s] SELECT * FROM le_cms_jiaocheng WHERE id='1' OR id='2' OR id='3' OR id='4' OR id='5'
  36. #35 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=1 LIMIT 1
  37. #36 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=2 LIMIT 1
  38. #37 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=3 LIMIT 1
  39. #38 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=4 LIMIT 1
  40. #39 [time:0.0002s] SELECT * FROM le_facai_download_meta WHERE mid=3 AND id=5 LIMIT 1
  41. #40 [time:0.0001s] SELECT id FROM le_cms_jiaocheng_views ORDER BY views DESC LIMIT 0,5
  42. #41 [time:0.0002s] SELECT * FROM le_cms_jiaocheng_views WHERE id='109' OR id='91' OR id='86' OR id='83' OR id='71'
  43. #42 [time:0.0003s] SELECT * FROM le_cms_jiaocheng WHERE id='109' OR id='91' OR id='86' OR id='83' OR id='71'
  44. #43 [time:0.0003s] SELECT * FROM le_runtime WHERE k='5ffa307eeba53cd70486f886c39224f3' LIMIT 1
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  48. #47 [time:0.0002s] SELECT id FROM le_links ORDER BY id DESC LIMIT 0,10
  49. #48 [time:0.0002s] SELECT * FROM le_links WHERE id='4' OR id='3' OR id='2' OR id='1'
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