--- 这是一个我的随笔记录，这些过程非常有用，也非常明显。 欢迎关注我的《深入理解MySQL主从原理 32讲 》，如下：  如果图片不能显示可查看下面链接： https://www.jianshu.com/p/d636215d767f 语句如下： ``` mysql> desc select id,count(*) from t110 group by id; +----+-------------+-------+------------+------+---------------+------+---------+------+-------+----------+---------------------------------+ | id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra | +----+-------------+-------+------------+------+---------------+------+---------+------+-------+----------+---------------------------------+ | 1 | SIMPLE | t110 | NULL | ALL | NULL | NULL | NULL | NULL | 99395 | 100.00 | Using temporary; Using filesort | +----+-------------+-------+------------+------+---------------+------+---------+------+-------+----------+---------------------------------+ 1 row in set, 1 warning (0.00 sec) ``` 存入内部临时表的操作也在'sending data' 下面，下面的debug trace可以看出 操作是获取innodb层一条数据handler::ha_rnd_next，然后在内部临时表中查询 这行记录hp_search，如果存在则做相应的更改heap_update（如count累加，sum加值等） ``` 使用内部临时表 1249 T@3: | | | | | | | | >handler::ha_rnd_next 1250 T@3: | | | | | | | | | >rnd_next 1251 T@3: | | | | | | | | | | >general_fetch 1252 T@3: | | | | | | | | | | | >row_search_mvcc 1253 T@3: | | | | | | | | | | | | >row_sel_store_mysql_rec 1254 T@3: | | | | | | | | | | | | | >row_sel_store_mysql_field_func 1255 T@3: | | | | | | | | | | | | | <row_sel_store_mysql_field_func 3267 1256 T@3: | | | | | | | | | | | | <row_sel_store_mysql_rec 3457 1257 T@3: | | | | | | | | | | | <row_search_mvcc 6453 1258 T@3: | | | | | | | | | | <general_fetch 9913 1259 T@3: | | | | | | | | | <rnd_next 10086 1260 T@3: | | | | | | | | <handler::ha_rnd_next 3159 1261 T@3: | | | | | | | | >evaluate_join_record 1262 T@3: | | | | | | | | | enter: join: 0x7ffe7c007778 join_tab index: 0 table: t112 cond: 0x0 1263 T@3: | | | | | | | | | counts: evaluate_join_record join->examined_rows++: 4 1264 T@3: | | | | | | | | | >sub_select_op 1265 T@3: | | | | | | | | | | >end_update 1266 T@3: | | | | | | | | | | | >handler::ha_index_read_map 1267 T@3: | | | | | | | | | | | | >heap_rkey 1268 T@3: | | | | | | | | | | | | | enter: info: 0x7ffe7caa74d0 inx: 0 1269 T@3: | | | | | | | | | | | | | >hp_search 1270 T@3: | | | | | | | | | | | | | | exit: hash: 0x105050504 1271 T@3: | | | | | | | | | | | | | | exit: found key at 0x7ffe7ceb4880 1272 T@3: | | | | | | | | | | | | | <hp_search 124 1273 T@3: | | | | | | | | | | | | | >hp_extract_record 1274 T@3: | | | | | | | | | | | | | <hp_extract_record 369 1275 T@3: | | | | | | | | | | | | <heap_rkey 81 1276 T@3: | | | | | | | | | | | <handler::ha_index_read_map 3261 1277 T@3: | | | | | | | | | | | >hanlder::ha_update_row 1278 T@3: | | | | | | | | | | | | >heap_update 1279 T@3: | | | | | | | | | | | | | >hp_copy_record_data_to_chunks 1280 T@3: | | | | | | | | | | | | | <hp_copy_record_data_to_chunks 308 1281 T@3: | | | | | | | | | | | | <heap_update 79 1282 T@3: | | | | | | | | | | | <hanlder::ha_update_row 8518 1283 T@3: | | | | | | | | | | <end_update 3482 1284 T@3: | | | | | | | | | <sub_select_op 1085 1285 T@3: | | | | | | | | <evaluate_join_record 1707 ``` 下面是count(*)累加关于heap_update old值和new值的查看 ``` Breakpoint 2, heap_update (info=0x7ffe7c9a9620, old_record=0x7ffe7c00f3b8 <incomplete sequence \375>, new_record=0x7ffe7c00f3a0 <incomplete sequence \375>) at /root/mysqlall/percona-server-locks-detail-5.7.22/storage/heap/hp_update.c:24 24 my_bool auto_key_changed= 0; (gdb) x/16bx 0x7ffe7c00f3b8 0x7ffe7c00f3b8: 0xfd 0x00 0x01 0x00 0x00 0x00 0x01 0x00 0x7ffe7c00f3c0: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 (gdb) x/16bx 0x7ffe7c00f3a0 0x7ffe7c00f3a0: 0xfd 0x00 0x01 0x00 0x00 0x00 0x02 0x00 0x7ffe7c00f3a8: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 (gdb) c Continuing. Breakpoint 2, heap_update (info=0x7ffe7c9a9620, old_record=0x7ffe7c00f3b8 <incomplete sequence \375>, new_record=0x7ffe7c00f3a0 <incomplete sequence \375>) at /root/mysqlall/percona-server-locks-detail-5.7.22/storage/heap/hp_update.c:24 24 my_bool auto_key_changed= 0; (gdb) x/16bx 0x7ffe7c00f3b8 0x7ffe7c00f3b8: 0xfd 0x00 0x01 0x00 0x00 0x00 0x02 0x00 0x7ffe7c00f3c0: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 (gdb) x/16bx 0x7ffe7c00f3a0 0x7ffe7c00f3a0: 0xfd 0x00 0x01 0x00 0x00 0x00 0x03 0x00 0x7ffe7c00f3a8: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 ``` 注意到key = 1 的这个值，第一次断点old值为0x01 new值为0x02，第二次断点old值为0x02 new值为0x03 然后遍历完所有的行过后，进入排序状态为Creating sort index ``` 1526 T@3: | | | | | | | | | THD::enter_stage: 'Creating sort index' /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_executor.cc:2604 1527 T@3: | | | | | | | | | >PROFILING::status_change 1528 T@3: | | | | | | | | | <PROFILING::status_change 384 1529 T@3: | | | | | | | | | >create_sort_index 1530 T@3: | | | | | | | | | | >my_raw_malloc 1531 T@3: | | | | | | | | | | | my: size: 376 my_flags: 48 1532 T@3: | | | | | | | | | | | exit: ptr: 0x7ffe7c9d1a90 1533 T@3: | | | | | | | | | | <my_raw_malloc 219 1534 T@3: | | | | | | | | | | >heap_info 1535 T@3: | | | | | | | | | | <heap_info 57 1536 T@3: | | | | | | | | | | >filesort 1537 T@3: | | | | | | | | | | | >make_sortorder 1538 T@3: | | | | | | | | | | | | >alloc_root 1539 T@3: | | | | | | | | | | | | | enter: root: 0x7ffe7c003c08 1540 T@3: | | | | | | | | | | | | | exit: ptr: 0x7ffe7caa4fc8 1541 T@3: | | | | | | | | | | | |</article> <div class="bjtj"> <h3>编辑推荐：</h3> <ul> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" class="floatL" target="_blank" title="随笔：sending data状态包含了使用内部临时表"><i> </i>随笔：sending data状态包含了使用内部临时表</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118906.html" class="floatL" target="_blank" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"><i> </i>如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118905.html" class="floatL" target="_blank" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"><i> </i>使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118904.html" class="floatL" target="_blank" title="Innodb中mysql如何快速删除2T的大表"><i> </i>Innodb中mysql如何快速删除2T的大表</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118903.html" class="floatL" target="_blank" title="宜信的105条数据库军规"><i> </i>宜信的105条数据库军规</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118902.html" class="floatL" target="_blank" title="MySQL：timestamp时区转换导致CPU %sy高的问题"><i> </i>MySQL：timestamp时区转换导致CPU %sy高的问题</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118901.html" class="floatL" target="_blank" title="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6"><i> </i>基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6</a><span class="floatR">03-01</span></li> <li class="clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118900.html" class="floatL" target="_blank" title="简单漂亮思维导图软件分享，绘制你的专属导图"><i> </i>简单漂亮思维导图软件分享，绘制你的专属导图</a><span class="floatR">03-01</span></li> </ul> </div> <!-- 下一篇 --> <div class="nextart cl clearfix"> <div class="next pull-left">下一篇：</div> <ul class="pull-left cl clearfix"> <li class="pull-left"><a href='https://www.herecours.com/list-65-0.html'>返回列表</a></li> </ul> </div> <div class="nextart cl clearfix"> </div> </div> <!-- 左侧广告 --> <!-- 天极优选 --> <div class="tjyx" style="display: none;"> <ul><script type="text/javascript" src="https://www.herecours.com/d/js/acmsd/thea4.js"></script></ul> </div> <!--相关推荐--> <div class="zxtj_wrap"> <div class="zxtj"> <h3 class="zxtj_title">相关推荐</h3> <ul> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/176.html" title="excel表格怎样在数字前输入0" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格怎样在数字前输入0" title="excel表格怎样在数字前输入0"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/176.html" title="excel表格怎样在数字前输入0" target="_blank"> <h4>excel表格怎样在数字前输入0</h4> </a> <p>excel中输入数字时默认会自动将0省略，主要是因为它初始</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/176.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/175.html" title="excel表格里怎么替换数据" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格里怎么替换数据" title="excel表格里怎么替换数据"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/175.html" title="excel表格里怎么替换数据" target="_blank"> <h4>excel表格里怎么替换数据</h4> </a> <p>Excel中的替换数据具体该如何进行操作才能顺利把数据</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/175.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/174.html" title="excel表格里面如何插入圆形" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格里面如何插入圆形" title="excel表格里面如何插入圆形"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/174.html" title="excel表格里面如何插入圆形" target="_blank"> <h4>excel表格里面如何插入圆形</h4> </a> <p>Excel是当今社会最流行用的办公软件之一，Excel可以用于</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/174.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/173.html" title="excel表格里怎么添加表格数据透视表" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格里怎么添加表格数据透视表" title="excel表格里怎么添加表格数据透视表"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/173.html" title="excel表格里怎么添加表格数据透视表" target="_blank"> <h4>excel表格里怎么添加表格数据透视表</h4> </a> <p>在excel表格中，数据透视表能够帮助我们快速分析数据，但</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/173.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/172.html" title="excel表格中怎么添加线边框" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格中怎么添加线边框" title="excel表格中怎么添加线边框"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/172.html" title="excel表格中怎么添加线边框" target="_blank"> <h4>excel表格中怎么添加线边框</h4> </a> <p>Excel中经常需要使用到带有虚线边框的表格，虚线边框的</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/172.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/171.html" title="excel表格里怎样设置条件自动排序" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格里怎样设置条件自动排序" title="excel表格里怎样设置条件自动排序"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/171.html" title="excel表格里怎样设置条件自动排序" target="_blank"> <h4>excel表格里怎样设置条件自动排序</h4> </a> <p>在excel中可以使用宏实现随内容改变自动排序，那么具体</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/171.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/170.html" title="excel表格例怎样导入数据库" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格例怎样导入数据库" title="excel表格例怎样导入数据库"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/170.html" title="excel表格例怎样导入数据库" target="_blank"> <h4>excel表格例怎样导入数据库</h4> </a> <p>excel里面形形色色的功能可以帮助用户进行编辑处理数</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/170.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/169.html" title="Excel表格如何设置数据排序" target="_blank"> <img src="/e/data/images/notimg.gif" alt="Excel表格如何设置数据排序" title="Excel表格如何设置数据排序"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/169.html" title="Excel表格如何设置数据排序" target="_blank"> <h4>Excel表格如何设置数据排序</h4> </a> <p>在使用excel统计数据时，都会对表格进行排序，具体该如何</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/169.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/168.html" title="excel表格里怎么选择性粘贴快捷键" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格里怎么选择性粘贴快捷键" title="excel表格里怎么选择性粘贴快捷键"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/168.html" title="excel表格里怎么选择性粘贴快捷键" target="_blank"> <h4>excel表格里怎么选择性粘贴快捷键</h4> </a> <p>Excel中经常需要使用到选择性粘贴这个功能，选择性粘贴</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/168.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/167.html" title="excel表格怎么插入分隔符号" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格怎么插入分隔符号" title="excel表格怎么插入分隔符号"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/167.html" title="excel表格怎么插入分隔符号" target="_blank"> <h4>excel表格怎么插入分隔符号</h4> </a> <p>Excel中经常需要添加分隔符号，分隔符具体该如何添加呢?</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/167.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/166.html" title="excel表格怎么设置多行多列数据内容排序" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格怎么设置多行多列数据内容排序" title="excel表格怎么设置多行多列数据内容排序"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/166.html" title="excel表格怎么设置多行多列数据内容排序" target="_blank"> <h4>excel表格怎么设置多行多列数据内容排序</h4> </a> <p>excel可以对多行多列数据进行排序。如何操作?今天，小编</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/166.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/165.html" title="Excel表格如何设置行和列相互转换" target="_blank"> <img src="/e/data/images/notimg.gif" alt="Excel表格如何设置行和列相互转换" title="Excel表格如何设置行和列相互转换"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/165.html" title="Excel表格如何设置行和列相互转换" target="_blank"> <h4>Excel表格如何设置行和列相互转换</h4> </a> <p>在Excel应用过程中，您是否遇到过需要把行数据转置成列，</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/165.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/164.html" title="excel表格连接公式怎么使用" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格连接公式怎么使用" title="excel表格连接公式怎么使用"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/164.html" title="excel表格连接公式怎么使用" target="_blank"> <h4>excel表格连接公式怎么使用</h4> </a> <p>Excel中经常需要用到公式进行链接数据，链接公式具体该</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/164.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/office/2026/02-10/163.html" title="excel表格怎样链接到cad中" target="_blank"> <img src="/e/data/images/notimg.gif" alt="excel表格怎样链接到cad中" title="excel表格怎样链接到cad中"> </a> </div> <div class="zxtj_right pull-left"> <a href="/office/2026/02-10/163.html" title="excel表格怎样链接到cad中" target="_blank"> <h4>excel表格怎样链接到cad中</h4> </a> <p>大家工作中有时候会需要一些EXCEL表格数据，那么大家知</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/office/2026/02-10/163.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/news/2026/02-10/162.html" title="雷神推出 MIX PRO II 迷你主机：基于 Ultra 200H，玻璃上盖 + ARGB 灯效" target="_blank"> <img src="https://www.herecours.com/d/file/p/2026/0210/2026021020051510854-pic.jpg" alt="雷神推出 MIX PRO II 迷你主机：基于 Ultra 200H，玻璃上盖 + ARGB 灯效" title="雷神推出 MIX PRO II 迷你主机：基于 Ultra 200H，玻璃上盖 + ARGB 灯效"> </a> </div> <div class="zxtj_right pull-left"> <a href="/news/2026/02-10/162.html" title="雷神推出 MIX PRO II 迷你主机：基于 Ultra 200H，玻璃上盖 + ARGB 灯效" target="_blank"> <h4>雷神推出 MIX PRO II 迷你主机：基于 Ultra 200H，玻璃上盖 + ARGB 灯效</h4> </a> <p>2 月 9 日消息，雷神 (THUNDEROBOT) 现已宣布推出基于英</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/news/2026/02-10/162.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> <li class="cl"> <div class="zxtj_pic pull-left"> <a href="/news/2026/02-10/132.html" title="制造商 Musnap 推出彩色墨水屏电纸书 Ocean C：支持手写笔、第三方安卓应用" target="_blank"> <img src="https://www.herecours.com/d/file/p/2026/0210/2026021019523310673-pic.jpg" alt="制造商 Musnap 推出彩色墨水屏电纸书 Ocean C：支持手写笔、第三方安卓应用" title="制造商 Musnap 推出彩色墨水屏电纸书 Ocean C：支持手写笔、第三方安卓应用"> </a> </div> <div class="zxtj_right pull-left"> <a href="/news/2026/02-10/132.html" title="制造商 Musnap 推出彩色墨水屏电纸书 Ocean C：支持手写笔、第三方安卓应用" target="_blank"> <h4>制造商 Musnap 推出彩色墨水屏电纸书 Ocean C：支持手写笔、第三方安卓应用</h4> </a> <p>2 月 10 日消息，制造商 Musnap 现已在海外推出一款 Oce</p> <div> <span>更新时间：26-02-10</span> <span class="plr-20">|</span> <span>作者：</span> <span class="plr-20">|</span> <span>已阅读：0次</span> <span class="plr-20">|</span> <span>标签：<a href="/news/2026/02-10/132.html" target="_blank" title="点击阅读">点击阅读</a></span> </div> </div> </li> </ul> </div> </div> </div> <div class="main_right pull-right"> <div class="rightGg rightGg250526" style="margin-top:0;"><script type="text/javascript" src="/d/js/acmsd/thea3.js" rel="nofollow"></script></div> <!-- 最新软件资讯 --> <div class="zxrjzx"> <div class="zxrjzx_content"> <h3>最新软件资讯</h3> <div class="zxrjzx_top"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" target="_blank" title="随笔：sending data状态包含了使用内部临时表"> <img src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="随笔：sending data状态包含了使用内部临时表" title="随笔：sending data状态包含了使用内部临时表"> </a> <div class="fc"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" target="_blank" title="随笔：sending data状态包含了使用内部临时表">随笔：sending data状态包含了使用内部临时表</a> </div> </div> <ul class="zrjzx_list zrjzx_list250522"> <li class="cl clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" target="_blank" title="随笔：sending data状态包含了使用内部临时表"> <img class="pull-left" src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="随笔：sending data状态包含了使用内部临时表" title="随笔：sending data状态包含了使用内部临时表"> </a> <a href="https://www.herecours.com/database/2026/03-01/118907.html" target="_blank" title="随笔：sending data状态包含了使用内部临时表"> <p class="pull-left">随笔：sending data状态包含了使用内部临时表</p> </a> <time>26-03-01</time> </li> <li class="cl clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118906.html" target="_blank" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> <img class="pull-left" src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123457751542.jpg?x-oss-process=style/bb" alt="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> </a> <a href="https://www.herecours.com/database/2026/03-01/118906.html" target="_blank" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> <p class="pull-left">如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南</p> </a> <time>26-03-01</time> </li> <li class="cl clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118905.html" target="_blank" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> <img class="pull-left" src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123413751492.jpg3?x-oss-process=style/bb" alt="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> </a> <a href="https://www.herecours.com/database/2026/03-01/118905.html" target="_blank" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> <p class="pull-left">使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离</p> </a> <time>26-03-01</time> </li> <li class="cl clearfix"> <a href="https://www.herecours.com/database/2026/03-01/118904.html" target="_blank" title="Innodb中mysql如何快速删除2T的大表"> <img class="pull-left" src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123353751477.jpg" alt="Innodb中mysql如何快速删除2T的大表" title="Innodb中mysql如何快速删除2T的大表"> </a> <a href="https://www.herecours.com/database/2026/03-01/118904.html" target="_blank" title="Innodb中mysql如何快速删除2T的大表"> <p class="pull-left">Innodb中mysql如何快速删除2T的大表</p> </a> <time>26-03-01</time> </li> </ul> </div> </div> <div class="rwtj"> <h3>热文推荐</h3> <div class="rw"> <div class="rw_list"> <ul> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118907.html" title="随笔：sending data状态包含了使用内部临时表" target="_blank">随笔：sending data状态包含了使用内部临时表</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" title="随笔：sending data状态包含了使用内部临时表" target="_blank"> <img src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="随笔：sending data状态包含了使用内部临时表" title="随笔：sending data状态包含了使用内部临时表"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118907.html" title="随笔：sending data状态包含了使用内部临时表" target="_blank"> <p> 随笔：sending data状态包含了使用内部临时表</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118906.html" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" target="_blank">如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118906.html" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123457751542.jpg?x-oss-process=style/bb" alt="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118906.html" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" target="_blank"> <p> 如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118905.html" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" target="_blank">使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118905.html" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123413751492.jpg3?x-oss-process=style/bb" alt="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118905.html" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" target="_blank"> <p> 使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118904.html" title="Innodb中mysql如何快速删除2T的大表" target="_blank">Innodb中mysql如何快速删除2T的大表</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118904.html" title="Innodb中mysql如何快速删除2T的大表" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123353751477.jpg" alt="Innodb中mysql如何快速删除2T的大表" title="Innodb中mysql如何快速删除2T的大表"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118904.html" title="Innodb中mysql如何快速删除2T的大表" target="_blank"> <p> Innodb中mysql如何快速删除2T的大表</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118903.html" title="宜信的105条数据库军规" target="_blank">宜信的105条数据库军规</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118903.html" title="宜信的105条数据库军规" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123320751436.jpg" alt="宜信的105条数据库军规" title="宜信的105条数据库军规"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118903.html" title="宜信的105条数据库军规" target="_blank"> <p> 宜信的105条数据库军规</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118902.html" title="MySQL：timestamp时区转换导致CPU %sy高的问题" target="_blank">MySQL：timestamp时区转换导致CPU %sy高的问题</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118902.html" title="MySQL：timestamp时区转换导致CPU %sy高的问题" target="_blank"> <img src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="MySQL：timestamp时区转换导致CPU %sy高的问题" title="MySQL：timestamp时区转换导致CPU %sy高的问题"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118902.html" title="MySQL：timestamp时区转换导致CPU %sy高的问题" target="_blank"> <p> MySQL：timestamp时区转换导致CPU %sy高的问题</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118901.html" title="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6" target="_blank">基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118901.html" title="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123321751439.jpg3?x-oss-process=style/bb" alt="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6" title="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118901.html" title="基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6" target="_blank"> <p> 基于percona xtrabackup 2.4.14的增量备份恢复还原mysql 5.6</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118900.html" title="简单漂亮思维导图软件分享，绘制你的专属导图" target="_blank">简单漂亮思维导图软件分享，绘制你的专属导图</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118900.html" title="简单漂亮思维导图软件分享，绘制你的专属导图" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123259751390.jpg" alt="简单漂亮思维导图软件分享，绘制你的专属导图" title="简单漂亮思维导图软件分享，绘制你的专属导图"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118900.html" title="简单漂亮思维导图软件分享，绘制你的专属导图" target="_blank"> <p> 简单漂亮思维导图软件分享，绘制你的专属导图</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118899.html" title="基于percona xtrabackup之innobackupex实现基于时间点数据库恢复" target="_blank">基于percona xtrabackup之innobackupex实现基于时间点数据库恢复</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118899.html" title="基于percona xtrabackup之innobackupex实现基于时间点数据库恢复" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123314751414.jpg?x-oss-process=style/bb" alt="基于percona xtrabackup之innobackupex实现基于时间点数据库恢复" title="基于percona xtrabackup之innobackupex实现基于时间点数据库恢复"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118899.html" title="基于percona xtrabackup之innobackupex实现基于时间点数据库恢复" target="_blank"> <p> 基于percona xtrabackup之innobackupex实现基于时间点数据库恢复</p> </a> <span>26-03-01</span> </div> </div> </li> <li class="list"><a class="a" href="https://www.herecours.com/database/2026/03-01/118898.html" title="如何根据生产环境mysql版本选择合适的percona xtrabackup版本" target="_blank">如何根据生产环境mysql版本选择合适的percona xtrabackup版本</a> <div class="rw_top cl"> <div class="picture pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118898.html" title="如何根据生产环境mysql版本选择合适的percona xtrabackup版本" target="_blank"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123301751398.jpg?x-oss-process=style/bb" alt="如何根据生产环境mysql版本选择合适的percona xtrabackup版本" title="如何根据生产环境mysql版本选择合适的percona xtrabackup版本"> </a> </div> <div class="rw_top_content pull-left"> <a href="https://www.herecours.com/database/2026/03-01/118898.html" title="如何根据生产环境mysql版本选择合适的percona xtrabackup版本" target="_blank"> <p> 如何根据生产环境mysql版本选择合适的percona xtrabackup版本</p> </a> <span>26-03-01</span> </div> </div> </li> </ul> </div> <div class="rw_list" style="display: none;"> </div> </div> </div> <!-- 天极热推 --> <div class="tjrt"> <h3>天极热推</h3> <ul class="cl"> <li> <a href="https://www.herecours.com/database/2026/03-01/118907.html" title="随笔：sending data状态包含了使用内部临时表"> <img src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="随笔：sending data状态包含了使用内部临时表" title="随笔：sending data状态包含了使用内部临时表"> </a> <a href="https://www.herecours.com/database/2026/03-01/118907.html" title="随笔：sending data状态包含了使用内部临时表">随笔：sending data状态包含了使用内部临时表</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118907.html" rel="nofollow">查看</a> </li> <li> <a href="https://www.herecours.com/database/2026/03-01/118906.html" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123457751542.jpg?x-oss-process=style/bb" alt="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南"> </a> <a href="https://www.herecours.com/database/2026/03-01/118906.html" title="如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南">如何基于生产环境mysql 5.6.25主从部署新的mysql从库操作指南</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118906.html" rel="nofollow">查看</a> </li> <li> <a href="https://www.herecours.com/database/2026/03-01/118905.html" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123413751492.jpg3?x-oss-process=style/bb" alt="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离"> </a> <a href="https://www.herecours.com/database/2026/03-01/118905.html" title="使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离">使用proxysql 1.4.14中间件实现mysql 5.7.26主从的读写分离</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118905.html" rel="nofollow">查看</a> </li> <li> <a href="https://www.herecours.com/database/2026/03-01/118904.html" title="Innodb中mysql如何快速删除2T的大表"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123353751477.jpg" alt="Innodb中mysql如何快速删除2T的大表" title="Innodb中mysql如何快速删除2T的大表"> </a> <a href="https://www.herecours.com/database/2026/03-01/118904.html" title="Innodb中mysql如何快速删除2T的大表">Innodb中mysql如何快速删除2T的大表</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118904.html" rel="nofollow">查看</a> </li> <li> <a href="https://www.herecours.com/database/2026/03-01/118903.html" title="宜信的105条数据库军规"> <img src="https://www.herecours.com/d/file/efpub/2026/01-01/20260301123320751436.jpg" alt="宜信的105条数据库军规" title="宜信的105条数据库军规"> </a> <a href="https://www.herecours.com/database/2026/03-01/118903.html" title="宜信的105条数据库军规">宜信的105条数据库军规</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118903.html" rel="nofollow">查看</a> </li> <li> <a href="https://www.herecours.com/database/2026/03-01/118902.html" title="MySQL：timestamp时区转换导致CPU %sy高的问题"> <img src="https://upload-images.jianshu.io/upload_images/7398834-0ffa3bdc078cddf4.png" alt="MySQL：timestamp时区转换导致CPU %sy高的问题" title="MySQL：timestamp时区转换导致CPU %sy高的问题"> </a> <a href="https://www.herecours.com/database/2026/03-01/118902.html" title="MySQL：timestamp时区转换导致CPU %sy高的问题">MySQL：timestamp时区转换导致CPU %sy高的问题</a> <a class="but" href="https://www.herecours.com/database/2026/03-01/118902.html" rel="nofollow">查看</a> </li> </ul> </div> <!--广告--> </div> </div> </div> </div> <div class="blank20"></div> </section> <style> .cbbfixed .cbbtn { display: block; width: 86px; height: 86px; background: url(./skin/herecours/images/icons.png) no-repeat !important; background-position: -2px -245px !important; } .icon_top { background-position: -2px -245px !important; } .icon_top:hover { background-position: -93px -266px !important; } footer ul.brand li:nth-last-child(1):after { content: ""; } </style> <div id="footer"> <footer class="layout"> <div class="line"></div> <div class="blank10"></div> <ul class="cl brand"> <li> <a href="https://www.herecours.com/about/" target="_blank" rel="nofollow">关于这里教程网</a> </li> <li> <a href="https://www.herecours.com/about/link/" target="_blank" rel="nofollow">友情合作</a> </li> <li> <a href="https://www.herecours.com/about/submit/" target="_blank" rel="nofollow">发布文章</a> </li> <li> <a href="https://www.herecours.com/about/tousu/" target="_blank" rel="nofollow">投诉处理</a> </li> <li> <a href="https://www.herecours.com/about/mianze/" target="_blank" rel="nofollow">免责声明</a> </li> <li> <a href="https://www.herecours.com/map/" target="_blank">分类地图</a> </li> <li> <a href="https://www.herecours.com/new/" target="_blank">最近更新</a> </li> </ul> <p class="copyright"> Copyright (C) 2023-2026 herecours.com, All Rights Reserved 版权所有 这里教程网 </p> <p class="icp"><a target="_blank" href="https://beian.miit.gov.cn/#/Integrated/index">蒙ICP备2023006002号-3</a>  <a target="_blank" href="https://beian.mps.gov.cn/#/query/webSearch?code=15052402000135" rel="nofollow">蒙公网安备15052402000135号</a></p> </footer> </div> <!-- 返回顶部 --> <div class="cbbfixed" style="bottom: -110px;"><a class="gotop cbbtn sprite icon_top"></a></div> <script src="https://www.herecours.com/skin/herecours/js/rjzx_2021.js"></script> <script src="https://www.herecours.com/skin/herecours/js/rjzx_detail.js"></script> <script src="https://www.herecours.com/skin/herecours/js/web-utils.js"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-179004860-1'); </script> <script> (function () { var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'https://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body> </html>