{"id":588,"date":"2026-05-08T21:07:23","date_gmt":"2026-05-08T13:07:23","guid":{"rendered":"https:\/\/lib.kimsor.top\/?p=588"},"modified":"2026-05-08T21:07:56","modified_gmt":"2026-05-08T13:07:56","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8e%92%e5%ba%8f%e7%9a%84%e5%9d%91","status":"publish","type":"post","link":"https:\/\/lib.kimsor.top\/?p=588","title":{"rendered":"\u6570\u636e\u5e93\u5b57\u7b26\u4e32\u6392\u5e8f\u7684\u5751"},"content":{"rendered":"\n<p>\u5728\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u6211\u4eec\u6709\u65f6\u5019\u4f1a\u60f3\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u4e2a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\uff0c\u5c3d\u7ba1\u8fd9\u4e2a\u5b57\u6bb5\u4fdd\u5b58\u7684\u662f\u6570\u5b57\uff0c\u4f46\u662f\u5b83\u7684\u7c7b\u578b\u5374\u662fvarchar\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u8fd9\u5c31\u4f1a\u5bfc\u81f4\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5b57\u6bb5A\u4fdd\u5b58\u4e861,2,3,4,5,6,7,8,9,10,11\u8fd9\u4e9b\u8bb0\u5f55\uff0c\u73b0\u5728\u6211\u8981\u5bf9A\u8fdb\u884c\u5347\u5e8f\uff0c\u5219<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select A from xxx order by A asc<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u9884\u60f3\u662f\u6309\u987a\u5e8f1,2,3,4,5,6,7,8,9,10,11\u8f93\u51fa\uff0c\u7ed3\u679c\u5374\u662f1,10,11,2,3,4,5,6,7,8,9\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f\u539f\u56e0\u662f\u56e0\u4e3a\u5bf9\u4e8e\u5b57\u7b26\u4e32\u6392\u5e8f\u662f\u901a\u8fc7\u4e00\u4f4d\u4e00\u4f4d\u5730\u53bb\u6bd4\u8f83\u7684\uff0c\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u6bd4\u8f83\uff0c\u6240\u4ee5\u5c31\u4f1a\u51fa\u73b01,10,11\u6392\u57282\u7684\u524d\u9762\u3002\u56e0\u4e3a10\u548c11\u7684\u7b2c\u4e00\u4f4d\u662f1,1\u6bd42\u5c0f\u6240\u4ee5\u6392\u5728\u524d\u9762\uff0c\u53c8\u56e0\u4e3a10\u548c11\u7684\u7b2c\u4e8c\u4f4d\u662f0\u548c1\uff0c\u6240\u4ee510\u6392\u572811\u524d\u9762\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5bf9\u4e8eMysql\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7abs(A)\u6765\u5c06A\u8f6c\u6362\u6210\u6570\u5b57\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select A from xxx order by A asc<\/code><\/pre>\n\n\n\n<p>\u5bf9\u4e8ePgsql\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7A::int\u8f6c\u6362\u6210\u6570\u5b57\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select A from xxx order by A::int asc<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u6211\u4eec\u6709\u65f6\u5019\u4f1a\u60f3\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u4e2a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\uff0c\u5c3d\u7ba1\u8fd9\u4e2a\u5b57\u6bb5\u4fdd\u5b58\u7684\u662f\u6570\u5b57\uff0c\u4f46\u662f\u5b83\u7684\u7c7b\u578b\u5374\u662fvarch [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,30,3],"tags":[],"class_list":["post-588","post","type-post","status-publish","format-standard","hentry","category-mysql","category-pgsql","category-database"],"_links":{"self":[{"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/posts\/588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=588"}],"version-history":[{"count":1,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/posts\/588\/revisions"}],"predecessor-version":[{"id":589,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=\/wp\/v2\/posts\/588\/revisions\/589"}],"wp:attachment":[{"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lib.kimsor.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}