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《9.2.2用坐标表示平移(1)》教学课件

2026-04-03 17:27:44

《9.2.2用坐标表示平移(1)》教学课件

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基本文件流程错误 SQL 调试

请求信息 : 2026-04-05 11:53:57 HTTP/2.0 GET : https://a.sjds.net/a/489989.html
运行时间 : 0.079605s [ 吞吐率：12.56req/s ] 内存消耗：4,775.54kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=5901a85d1ba6ca5d3119d56fc19b3ddb

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CONNECT:[ UseTime:0.000639s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000843s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000322s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000263s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000509s ]
SELECT * FROM `set` [ RunTime:0.000217s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000606s ]
SELECT * FROM `article` WHERE `id` = 489989 LIMIT 1 [ RunTime:0.000374s ]
UPDATE `article` SET `lasttime` = 1775361237 WHERE `id` = 489989 [ RunTime:0.002295s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000233s ]
SELECT * FROM `article` WHERE `id` < 489989 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000439s ]
SELECT * FROM `article` WHERE `id` > 489989 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000375s ]
SELECT * FROM `article` WHERE `id` < 489989 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000691s ]
SELECT * FROM `article` WHERE `id` < 489989 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000709s ]
SELECT * FROM `article` WHERE `id` < 489989 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001049s ]

0.081281s

ShowPageTrace