{"id":28421,"date":"2024-11-24T10:46:24","date_gmt":"2024-11-24T02:46:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/28421\/"},"modified":"2024-11-24T10:46:24","modified_gmt":"2024-11-24T02:46:24","slug":"mysql-%e4%b8%ad%e7%9c%9f%e6%ad%a3%e7%9a%84%e5%ad%97%e6%af%8d%e6%95%b0%e5%ad%97-%e8%87%aa%e7%84%b6%e6%8e%92%e5%ba%8f-%e4%b8%ba%e4%bb%80%e4%b9%88%e7%ad%94%e6%a1%88%e6%80%bb%e6%98%af%e9%80%92%e5%bd%92","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/28421\/","title":{"rendered":"MySQL \u4e2d\u771f\u6b63\u7684\u5b57\u6bcd\u6570\u5b57\/\u81ea\u7136\u6392\u5e8f &#8211; \u4e3a\u4ec0\u4e48\u7b54\u6848\u603b\u662f\u9012\u5f52\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173184607252919.jpg\" class=\"aligncenter\" title=\"MySQL \u4e2d\u771f\u6b63\u7684\u5b57\u6bcd\u6570\u5b57\/\u81ea\u7136\u6392\u5e8f &#8211; \u4e3a\u4ec0\u4e48\u7b54\u6848\u603b\u662f\u9012\u5f52\uff1f\u63d2\u56fe\" alt=\"MySQL \u4e2d\u771f\u6b63\u7684\u5b57\u6bcd\u6570\u5b57\/\u81ea\u7136\u6392\u5e8f &#8211; \u4e3a\u4ec0\u4e48\u7b54\u6848\u603b\u662f\u9012\u5f52\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u6628\u5929\u6211\u5c1d\u8bd5\u89e3\u51b3  \u4e2d\u7684\u5b57\u6bcd\u6570\u5b57\u6392\u5e8f\u95ee\u9898\uff0c\u4f46\u5931\u8d25\u4e86\u3002 \uff08\u5728\u8fd9\u91cc\u9605\u8bfb\u90a3\u7bc7\u6587\u7ae0\uff09<\/p>\n<p>\u6211\u786e\u5b9e\u63a5\u8fd1\u4e86\uff0c\u5e76\u4e14\u6709\u6b63\u786e\u7684\u6982\u5ff5\uff0c\u53ea\u662f\u9519\u8bef\u7684\u6267\u884c\u3002<\/p>\n<p>\u4eca\u5929\uff0c\u6211\u9192\u6765\u5e76\u987f\u609f&#8230;\u9012\u5f52\u3002<\/p>\n<p>\u9012\u5f52\u7684\u95ee\u9898\u5728\u4e8e\u4f60\u5fc5\u987b\u4e86\u89e3\u9012\u5f52\u624d\u80fd\u8fdb\u884c\u9012\u5f52&#8230;\u800c\u6211\u5bf9\u9012\u5f52\u7684\u7406\u89e3\u4e0d\u8db3\u4ee5\u5728 mysql \u4e2d\u8fdb\u884c\u9012\u5f52\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u901a\u8fc7 chat gippity \u6765\u56de\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\uff08\u6211\u7684\u610f\u601d\u662f\u8ba9\u5b83\u5199\u51fa\u6211\u8981\u6c42\u7684\u5185\u5bb9\uff0c\u8fd4\u56de\u6211\u8981\u6c42\u7684\u5927\u7ea6 25%\uff0c\u4fee\u590d\u5b83\u5e76\u5c06\u5176\u8f93\u5165\u5230\u65b0\u7684\u804a\u5929\u4e2d\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\uff09\u4e0d\u8981\u4e00\u76f4\u91cd\u590d\u5927\u7ea6 2 \u5c0f\u65f6\uff09\u6211\u5f97\u5230\u4e86\u6709\u6548\u7684\u7b54\u6848\uff01<\/p>\n<h2> \u8bf4\u5230\u91cd\u70b9 <\/h2>\n<p>\u613f\u6211\u5411\u60a8\u5448\u73b0\u6211\u7684\u7edd\u5531\u3001\u6211\u7684\u6770\u4f5c\u3001\u751f\u6d3b\u672c\u8eab\u7684\u7b54\u6848\uff08\u597d\u5427\uff0c\u8fd9\u662f\u6211\u89c1\u8fc7\u7684 mysql \u4e2d\u771f\u6b63\u5b57\u6bcd\u6570\u5b57\u6392\u5e8f\u7684\u552f\u4e00\u6709\u6548\u89e3\u51b3\u65b9\u6848\uff09\u3002<\/p>\n<pre>with recursive process_numbers as (\n    select \n        data_value,\n        data_value as remaining_data,\n        cast('' as char(20000)) as processed_data,\n        1 as iteration\n    from test_data\n\n    union all\n\n    select\n        data_value,\n        case \n            when locate(regexp_substr(remaining_data, '[0-9]+'), remaining_data) &gt; 0 then\n                substring(\n                    remaining_data,\n                    locate(regexp_substr(remaining_data, '[0-9]+'), remaining_data)\n                    + length(regexp_substr(remaining_data, '[0-9]+'))\n                )\n            else '' \n        end as remaining_data,\n\n        concat(\n            processed_data,\n            case \n                when locate(regexp_substr(remaining_data, '[0-9]+'), remaining_data) &gt; 0 then\n                    left(remaining_data, locate(regexp_substr(remaining_data, '[0-9]+'), remaining_data) - 1)\n                else remaining_data\n            end,\n            case\n                when regexp_substr(remaining_data, '[0-9]+') is not null then\n                    right(concat('0000000000', regexp_substr(remaining_data, '[0-9]+')), 10)\n                else ''\n            end\n        ) as processed_data,\n\n        iteration + 1\n    from process_numbers\n    where length(remaining_data) &gt; 0\n          and iteration &lt; 100\n)\n\n\nselect \n    data_value,\n    concat(processed_data, remaining_data) as sort_key\nfrom process_numbers\nwhere remaining_data = \"\"\norder by sort_key;\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5982\u679c\u4f60\u60f3\u5c1d\u8bd5\u4e00\u4e0b\uff08\u5e76\u5c1d\u8bd5\u6253\u7834\u5b83\uff09\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u6570\u636e\u5e93\u5c0f\u63d0\u7434<\/p>\n<h2> \u90a3\u4e48\u8fd9\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u5462\uff1f <\/h2>\n<p>\u5b83\u5b8c\u6210\u4e86\u6211\u6700\u521d\u60f3\u505a\u7684\u4e8b\u60c5\uff0c\u53d6\u51fa\u6bcf\u7ec4\u6570\u5b57\u5e76\u5c06\u5b83\u4eec\u586b\u5145\u5230\u603b\u5171 10 \u4f4d\u6570\u5b57\u3002<\/p>\n<p>\u5f88\u660e\u663e\uff0c\u5982\u679c\u4f60\u7ed9\u5b83\u63d0\u4f9b\u51e0\u4e2a\u5305\u542b 11 \u4e2a\u8fde\u7eed\u6570\u5b57\u7684\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u4e0d\u8fdb\u884c\u8c03\u6574\uff0c\u5b83\u5c31\u65e0\u6cd5\u5de5\u4f5c\uff0c\u4f46\u9664\u6b64\u4e4b\u5916\u5b83\u5de5\u4f5c\u5f97\u5f88\u597d\uff01<\/p>\n<p>\u4f60\u770b\uff0cmysql \u53ef\u4ee5\u6b63\u786e\u5730\u5bf9\u6570\u5b57\u8fdb\u884c\u6392\u5e8f\uff0c\u5373\u4f7f\u5728\u5b57\u5178\u6392\u5e8f\u6a21\u5f0f\u4e0b\u4e5f\u662f\u5982\u6b64\uff0c\u4f46\u5b83\u6709\u4e00\u4e2a\u7f3a\u9677\u3002<\/p>\n<p>\u5b83\u5c06\u201c11\u201d\u89c6\u4e3a\u5c0f\u4e8e\u201c2\u201d\uff0c\u56e0\u4e3a\u5b83\u4e00\u6b21\u5bf9\u4e00\u4e2a\u5b57\u7b26\u8fdb\u884c\u6392\u5e8f\uff08\u6709\u6548\uff09\u3002\u6240\u4ee5\u201c2\u201d\u6bd4\u201c1\u201d\u5927\uff0c\u6240\u4ee5\u5b83\u6392\u5728\u7b2c\u4e00\u4f4d\u3002\u7136\u540e\u5b83\u68c0\u67e5\u4e0b\u4e00\u4e2a\u5b57\u7b26\uff0c\u6b64\u65f6\u6392\u5e8f\u4e0d\u6b63\u786e\uff08\u81f3\u5c11\u5bf9\u4e8e\u6570\u5b57\u800c\u8a00\uff09\u3002 <\/p>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u60f3\u8c61\u4e00\u4e0b 1 \u5b9e\u9645\u4e0a\u662f\u5b57\u6bcd\u201cb\u201d\uff0c2 \u662f\u5b57\u6bcd\u201cc\u201d\u3002 <\/p>\n<p>\u8fd9\u5c31\u662fmysql\u201c\u770b\u5230\u201d\u6570\u5b57\u7684\u65b9\u5f0f\uff0c\u5b83\u4eec\u53ea\u662f\u53e6\u4e00\u4e2a\u5b57\u7b26\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u6211\u6709\u201cbb\u201d\u548c\u201cc\u201d\uff0c\u60a8\u4f1a<em>\u671f\u671b<\/em>\u201cbb\u201d\u51fa\u73b0\u5728\u201cc\u201d\u4e4b\u524d\u3002\u73b0\u5728\u5c06\u6570\u5b57\u4ea4\u6362\u56de\u53bb\uff0c\u60a8\u5c31\u4f1a\u660e\u767d\u201c11\u201d\u4f4d\u4e8e\u201c2\u201d\u4e4b\u524d\u3002<\/p>\n<h3> \u90a3\u4e48\u8fd9\u662f\u4e00\u4e2a\u9ed1\u5ba2\u884c\u4e3a\u5417\uff1f <\/h3>\n<p>\u662f\u7684\uff0c\u6211\u4eec\u901a\u8fc7\u586b\u5145\u5c06\u6570\u5b57\u201c\u5411\u540e\u201d\u79fb\u52a8\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u56de\u5230\u6211\u4eec\u7684\u793a\u4f8b\uff0c\u5982\u679c\u6211\u4eec\u5c06\u201c11\u201d\u548c\u201c2\u201d\u7684\u957f\u5ea6\u586b\u5145\u4e3a 3 \u5e76\u5c06\u201ca\u201d\u7528\u4f5c 0\uff0c\u5219\u4f1a\u53d1\u751f\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n<pre>011 = abb\n002 = aac \n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6ce8\u610f\u73b0\u5728\u6392\u5e8f\u7684\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\u5b57\u7b26 1\uff1a\u201ca\u201d\u6bd4\u201ca\u201d\u5927 &#8211; \u4e0d\uff0c\u5b83\u4eec\u662f\u76f8\u540c\u7684\u3002<\/li>\n<li>\u5b57\u7b26 2\uff1a\u201cb\u201d\u6bd4\u201ca\u201d\u5927 &#8211; \u662f\u7684\uff0c\u5c06\u201ca\u201d\u653e\u5728\u201cb\u201d\u4e4b\u524d<\/li>\n<li>\u5b57\u7b26 3\uff1a\u73b0\u5728\u65e0\u5173\u7d27\u8981\uff0c\u6211\u4eec\u5df2\u7ecf\u53d1\u73b0\u4e86\u66f4\u65e9\u53d1\u751f\u7684\u4e0d\u540c\u4e14\u66f4\u5927\u7684\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u6309\u7167\u8fd9\u4e2a\u903b\u8f91\u6211\u4eec\u73b0\u5728\u6709\uff1a<\/p>\n<pre>002 = aac (the second \"a\" comes before the second \"b\" in the next row)\n011 = abb\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c31\u662f\u5b83\u7684\u5de5\u4f5c\u539f\u7406\uff01<\/p>\n<h2> \u4f60\u8981\u89e3\u91ca\u4e00\u4e0b\u9012\u5f52\u7684\u4e8b\u60c5\u5417\uff1f <\/h2>\n<p>\u6709\u70b9\u3002\u6211\u5df2\u7ecf\u7528\u8fd9\u4e2a\u201c\u7ed5\u4e86\u623f\u5b50\u4e00\u5708\u201d\uff0c\u6211\u7684\u77e5\u8bc6\u53ea\u662f\u8868\u9762\u6c34\u5e73\uff0c\u4f46\u6211\u4f1a\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<p>\u95ee\u9898\u5728\u4e8e regex \u5728 mysql \u4e2d\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002 regex_substr \u53ea\u4f1a\u627e\u5230\u4e00\u4e2a\u5339\u914d\u9879\uff0c\u7136\u540e\u4e3a\u627e\u5230\u7684\u6240\u6709\u5176\u4ed6\u5339\u914d\u9879\u7ee7\u7eed\u8fd4\u56de\u8be5\u5339\u914d\u9879\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u6628\u5929\u7684\u89e3\u51b3\u65b9\u6848\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u7684\u539f\u56e0\u3002<\/p>\n<p>\u4f46\u662f regex_replace \u6709\u5b83\u81ea\u5df1\u7684\u95ee\u9898\uff0c\u5b83\u4f3c\u4e4e\u6ca1\u6709\u6b63\u786e\u516c\u5f00\u5339\u914d\u7684\u5b57\u7b26\u4e32\u957f\u5ea6\uff08\u56e0\u6b64\u6211\u4eec\u65e0\u6cd5\u6b63\u786e\u5730\u5bf9\u5176\u8fdb\u884c lpad\uff09<\/p>\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u8ba4\u4e3a\u9012\u5f52\u4f5c\u4e3a\u7b54\u6848\u3002 <\/p>\n<p>\u6211\u53ef\u4ee5\u4f7f\u7528 regex_substr \u6765\u83b7\u5f97\u6b63\u786e\u7684\u586b\u5145\u884c\u4e3a\uff0c\u5e76\u4e14\u7531\u4e8e regex \u7684\u6bcf\u4e2a\u5faa\u73af\u672c\u8d28\u4e0a\u90fd\u662f\u4e00\u4e2a\u65b0\u51fd\u6570\u8c03\u7528\uff0c\u56e0\u6b64\u5b83\u4e0d\u4f1a\u201c\u8bb0\u4f4f\u201d\u4e0a\u4e00\u4e2a\u5339\u914d\u9879\uff0c\u56e0\u6b64\u5b83\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u7b80\u5355\u4e86\u89e3\u4e00\u4e0b\u903b\u8f91\uff0c\u5b83\u5b9e\u9645\u4e0a\u5e76\u4e0d\u50cf\u770b\u8d77\u6765\u90a3\u4e48\u53ef\u6015\uff01<\/p>\n<ul>\n<li>\u6211\u4eec\u5faa\u73af\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32\uff0c\u67e5\u627e\u4efb\u4f55\u6570\u5b57\uff08\u6574\u4e2a\u6570\u5b57\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5355\u4e2a\u5b57\u7b26\uff09\u3002<\/li>\n<li>\u7136\u540e\u6211\u4eec\u5c06\u5176\u4ece\u5269\u4f59\u6570\u636e\u4e2d\u5220\u9664\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u4e0d\u4f1a\u518d\u6b21\u5339\u914d\u5b83\u3002<\/li>\n<li>\u6211\u4eec\u53d6\u51fa\u521a\u521a\u5339\u914d\u7684\u6570\u5b57\u5e76\u5c06\u5176\u586b\u5145\u4e3a\u603b\u5171 10 \u4f4d\u6570\u5b57\u3002<\/li>\n<li>\u7136\u540e\u6211\u4eec\u641c\u7d22\u5b57\u7b26\u4e32\u4e2d\u7684\u4e0b\u4e00\u4e2a\u6570\u5b57\u90e8\u5206\u5e76\u91cd\u590d\u8be5\u8fc7\u7a0b\uff0c\u5c06processed_data\u6784\u5efa\u4e3a\u6700\u7ec8\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u6700\u540e\uff0c\u4e00\u65e6\u6211\u4eec\u6ca1\u6709\u66f4\u591a\u7684\u6570\u5b57\u9700\u8981\u5904\u7406\uff0c\u6211\u4eec\u5c06\u5269\u4f59\u7684\u5b57\u6bcd\u6dfb\u52a0\u5230processed_data\u7684\u672b\u5c3e\u4ee5\u5b8c\u6210\u8f6c\u6362\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3asort_key\u8fd4\u56de\u3002<\/li>\n<\/ul>\n<p>\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u5728\u67e5\u8be2\u4e2d\u4f7f\u7528\u8fd9\u4e2a sort_key \u6765\u6b63\u786e\u6392\u5e8f\u5217\u3002<\/p>\n<p>\u8fed\u4ee3\u90e8\u5206\u7eaf\u7cb9\u662f\u4e00\u4e2a\u4fdd\u62a4\u5de5\u5177\uff0c\u4ee5\u786e\u4fdd\u5b83\u4e0d\u4f1a\u5b8c\u5168\u8fd0\u884c mysql \u670d\u52a1\u5668\u5185\u5b58\u4e0d\u8db3\u6216\u5728\u5904\u7406\u8db3\u591f\u590d\u6742\u7684\u5b57\u7b26\u4e32\u65f6\u4f7f\u67e5\u8be2\u5d29\u6e83\uff08\u6216\u8005\u903b\u8f91\u4e2d\u5b58\u5728\u9519\u8bef\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4f1a\u6c38\u8fdc\u9012\u5f52\uff09\u3002<\/p>\n<h2> \u8fd9\u5c31\u662f\u4e00\u4e2a\u5305\u88f9\uff01 <\/h2>\n<p>\u7761\u5728\u4e1c\u897f\u4e0a\u4f1a\u5e26\u6765\u65b0\u7684\u89c6\u89d2\uff0c\u8fd9\u4e0d\u662f\u5f88\u6709\u8da3\u5417\uff1f<\/p>\n<p>\u4e5f\u8bb8\u6211\u5e94\u8be5\u5c1d\u8bd5\u591a\u76f8\u7761\u7720\uff0c\u8fd9\u6837\u6211\u6bcf\u5929\u5c31\u53ef\u4ee5\u591a\u7761\u89c9 2-3 \u6b21\u6765\u89e3\u51b3\u95ee\u9898\uff0c\u4ece\u800c\u6210\u4e3a 10 \u500d\u7684\u5f00\u53d1\u8005\uff1f\u54c8\u54c8\u3002<\/p>\n<p>\u65e0\u8bba\u5982\u4f55\uff0c\u4f60\u5df2\u7ecf\u62e5\u6709\u4e86\u5b83\uff0c\u4e00\u4e2a\u76f8\u5f53\u5f3a\u5927\u7684<strong>true<\/strong>\u5b57\u6bcd\u6570\u5b57\u6392\u5e8f\u3002<\/p>\n<p>\u54e6\uff0c\u5b9e\u9645\u4e0a\uff0c\u60a8\u53ef\u80fd\u5e94\u8be5\u4f7f\u7528 generate \u6216\u5b58\u50a8\u8fc7\u7a0b\u5c06 sort_key \u8f6c\u6362\u4e3a\u6570\u636e\u5e93\u4e0a\u7684\u5b58\u50a8\u5217\u3002\u9057\u61be\u7684\u662f\uff0c\u6211\u4f7f\u7528\u7684\u6e38\u4e50\u573a\u4f3c\u4e4e\u4e0d\u652f\u6301\u8fd9\u4e00\u70b9\uff0c\u800c\u4e14\u4eca\u5929\u662f\u5468\u65e5\uff0c\u6240\u4ee5\u6211\u5c06\u628a\u5b83\u7559\u7ed9\u4f60\uff0c\u4eb2\u7231\u7684\u89c2\u4f17\uff01<\/p>\n<p>\u795d\u60a8\u5468\u672b\u4f11\u606f\u6109\u5feb\uff0c\u5ea6\u8fc7\u6109\u5feb\u7684\u4e00\u5468\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u771f\u6b63\u7684\u5b57\u6bcd\u6570\u5b57\/\u81ea\u7136\u6392\u5e8f &#8211; \u7b54\u6848\u603b\u662f\u9012\u5f52\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6628\u5929\u6211\u5c1d\u8bd5\u89e3\u51b3 \u4e2d\u7684\u5b57\u6bcd\u6570\u5b57\u6392\u5e8f\u95ee\u9898\uff0c\u4f46\u5931\u8d25\u4e86\u3002 \uff08\u5728\u8fd9\u91cc\u9605\u8bfb\u90a3\u7bc7\u6587\u7ae0\uff09 \u6211\u786e\u5b9e\u63a5\u8fd1\u4e86\uff0c\u5e76\u4e14\u6709\u6b63\u786e\u7684\u6982\u5ff5\uff0c\u53ea\u662f\u9519\u8bef\u7684\u6267\u884c\u3002 \u4eca\u5929\uff0c\u6211\u9192\u6765\u5e76\u987f\u609f&#8230;\u9012\u5f52\u3002 \u9012\u5f52\u7684\u95ee\u9898\u5728\u4e8e\u4f60\u5fc5\u987b\u4e86\u89e3\u9012\u5f52\u624d\u80fd\u8fdb\u884c\u9012\u5f52&#8230;\u800c\u6211\u5bf9\u9012\u5f52\u7684\u7406\u89e3\u4e0d\u8db3\u4ee5\u5728 mysql \u4e2d\u8fdb\u884c\u9012\u5f52\u3002 \u4f46\u662f\uff0c\u901a\u8fc7 chat gippity \u6765\u56de\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\uff08\u6211\u7684\u610f\u601d\u662f\u8ba9\u5b83\u5199\u51fa\u6211\u8981\u6c42\u7684\u5185\u5bb9\uff0c\u8fd4\u56de\u6211\u8981\u6c42\u7684\u5927\u7ea6 25%\uff0c\u4fee\u590d\u5b83\u5e76\u5c06\u5176\u8f93\u5165\u5230\u65b0\u7684\u804a\u5929\u4e2d\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u51fa\u73b0\u95ee\u9898\uff09\u4e0d\u8981\u4e00\u76f4\u91cd\u590d\u5927\u7ea6 2 \u5c0f\u65f6\uff09\u6211\u5f97\u5230\u4e86\u6709\u6548\u7684\u7b54\u6848\uff01 \u8bf4\u5230\u91cd\u70b9 \u613f\u6211\u5411\u60a8\u5448\u73b0\u6211\u7684\u7edd\u5531\u3001\u6211\u7684\u6770\u4f5c\u3001\u751f\u6d3b\u672c\u8eab\u7684\u7b54\u6848\uff08\u597d\u5427\uff0c\u8fd9\u662f\u6211\u89c1\u8fc7\u7684 mysql \u4e2d\u771f\u6b63\u5b57\u6bcd\u6570\u5b57\u6392\u5e8f\u7684\u552f\u4e00\u6709\u6548\u89e3\u51b3\u65b9\u6848\uff09\u3002 with recursive process_numbers as ( select data_value, data_value as remaining_data, cast(&#8221; as char(20000)) as processed_data, 1 as iteration from test_data union all select data_value, case when locate(regexp_substr(remaining_data, &#8216;[0-9]+&#8217;), remaining_data) &gt; 0 then substring( remaining_data, locate(regexp_substr(remaining_data, &#8216;[0-9]+&#8217;), [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-28421","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=28421"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28421\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=28421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=28421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=28421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}