{"id":207038,"date":"2025-07-08T10:10:02","date_gmt":"2025-07-08T02:10:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207038\/"},"modified":"2025-07-08T10:10:02","modified_gmt":"2025-07-08T02:10:02","slug":"%e4%bb%8e-postgres-%e9%80%89%e6%8b%a9%e5%90%8e-utf8-%e5%ad%97%e7%ac%a6%e4%b8%8d%e6%ad%a3%e7%a1%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207038\/","title":{"rendered":"\u4ece postgres \u9009\u62e9\u540e UTF8 \u5b57\u7b26\u4e0d\u6b63\u786e"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u4ece postgres \u9009\u62e9\u540e UTF8 \u5b57\u7b26\u4e0d\u6b63\u786e<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-19 17:00:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u4ece postgres \u9009\u62e9\u540e UTF8 \u5b57\u7b26\u4e0d\u6b63\u786e\u300b\uff0c\u8986\u76d6\u4e86Golang\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u5728 postgres \u4e2d\u6709\u4e00\u4e2a\u5305\u542b\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u7684\u6570\u636e\u5e93\u8868\u3002\u5176\u4e2d\u4e00\u4f4d\u5ba2\u6237\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u4e2d\u6709\u4e00\u4e2a\u5143\u97f3\u53d8\u97f3 (\u00fc)\u3002\u8fd9\u4e0d\u5e94\u8be5\u662f\u4e00\u4e2a\u95ee\u9898\uff0c\u4f46\u4e0d\u77e5\u4f55\u6545\uff0cgo \u4e2d\u7684\u5b57\u7b26\u4e32\u5305\u542b\u9519\u8bef\u7684\u5b57\u8282\u5e8f\u5217\uff08\u5b83\u662f e3bc \u800c\u4e0d\u662f c3bc\uff09\uff0c\u8fd9\u540e\u6765\u7ed9\u6211\u5e26\u6765\u4e86\u4e00\u5806\u95ee\u9898\u3002<\/p>\n<p>\u6211\u4f7f\u7528 <code>client_encoding=utf8<\/code> \u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u5e76\u4e14\u6570\u636e\u5e93\u8bbe\u7f6e\u4e3a utf8\u3002\u5982\u679c\u6211\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u6211\u53ef\u4ee5\u770b\u5230\u6570\u636e\u5e93\u4e2d\u7684\u5b57\u8282\u5e8f\u5217\u7b26\u5408\u9884\u671f\uff1a<\/p>\n<pre>SELECT encode(\"email\"::bytea, 'hex') FROM participants WHERE  email like 'XXXXXX%';\n                    encode                    \n----------------------------------------------\n                     c3bc<\/pre>\n<p>\uff08\u5176\u4f59\u6570\u636e\u5df2\u9690\u85cf\uff09<\/p>\n<p>\u6211\u4f7f\u7528database\/sql\u5305\u548cpostgres\u9a71\u52a8\u7a0b\u5e8f\u8bfb\u53d6\u6570\u636e\uff0c\u5982\u679c\u6211\u5728go\u4e2d\u6253\u5370\u5b57\u7b26\u4e32\uff0c\u6211\u4f1a\u5f97\u5230xxxxxxe3bcxxxxxx\uff0c\u8fd9\u4e0d\u662f\u6211\u6240\u671f\u671b\u7684\uff08\u518d\u6b21\uff0c\u7528x\u9690\u85cf\u7535\u5b50\u90ae\u4ef6\u7684\u5176\u4f59\u90e8\u5206\uff09\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u9519\u8bef\uff0c\u8fd8\u662f\u6211\u8bef\u89e3\u4e86\u4ec0\u4e48\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u786e\u4fdd\u60a8\u7684\u6570\u636e\u5e93\u5df2\u6b63\u786e\u8bbe\u7f6e\u4e3a UTF8\u3002\u533a\u57df\u8bbe\u7f6e\u5728\u521b\u5efa\u6570\u636e\u5e93\u65f6\u5df2\u4fee\u590d\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 <code>LOWER<\/code> \u7b49 sql \u51fd\u6570\u51fa\u73b0\u95ee\u9898\u3002\u4f7f\u7528 <code>pg_dropcluster<\/code> \u548c <code>pg_createcluster --encoding=UTF8<\/code> \u91cd\u65b0\u521b\u5efa\u6570\u636e\u5e93\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u4ece postgres \u9009\u62e9\u540e UTF8 \u5b57\u7b26\u4e0d\u6b63\u786e\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207038","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207038"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207038\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}