{"id":178730,"date":"2024-11-08T20:25:19","date_gmt":"2024-11-08T12:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178730\/"},"modified":"2024-11-08T20:25:20","modified_gmt":"2024-11-08T12:25:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a22019-invalid_escape_character%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178730\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22019 &#8211; invalid_escape_character\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a22019-invalid_escape_character-yTwdZEJTNU\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22019 &#8211; invalid_escape_character<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc22019\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5b58\u5728\u7121\u6548\u7684\u8f49\u7fa9\u5b57\u7b26\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc22019%e7%9a%84%e6%88%90%e5%9b%a0-yTwdZEJTNU\">\u932f\u8aa4\u4ee3\u78bc22019\u7684\u6210\u56e0<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc22019\u901a\u5e38\u51fa\u73fe\u5728\u8655\u7406\u5b57\u7b26\u4e32\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u8f49\u7fa9\u5b57\u7b26\u7684\u60c5\u6cc1\u4e0b\u3002\u8f49\u7fa9\u5b57\u7b26\u662f\u7528\u4f86\u8868\u793a\u5728\u5b57\u7b26\u4e32\u4e2d\u7121\u6cd5\u76f4\u63a5\u8f38\u5165\u7684\u5b57\u7b26\uff0c\u4f8b\u5982\u55ae\u5f15\u865f\u3001\u96d9\u5f15\u865f\u6216\u53cd\u659c\u6760\u7b49\u3002\u7576\u9019\u4e9b\u5b57\u7b26\u672a\u6b63\u78ba\u8f49\u7fa9\u6642\uff0c\u5c31\u6703\u5c0e\u81f422019\u932f\u8aa4\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u60c5\u6cc1\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\uff1a<\/p>\n<ul>\n<li>\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\u3002<\/li>\n<li>\u672a\u6b63\u78ba\u4f7f\u7528\u55ae\u5f15\u865f\u6216\u96d9\u5f15\u865f\u4f86\u5305\u570d\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u5728\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u4e86\u4e0d\u88ab\u652f\u6301\u7684\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e9%8c%af%e8%aa%a4-yTwdZEJTNU\">\u5982\u4f55\u8b58\u5225\u932f\u8aa4<\/h2>\n<p>\u7576\u4f60\u5728\u57f7\u884cSQL\u67e5\u8a62\u6642\u9047\u523022019\u932f\u8aa4\uff0cPostgreSQL\u6703\u8fd4\u56de\u4e00\u689d\u932f\u8aa4\u6d88\u606f\uff0c\u901a\u5e38\u6703\u5305\u542b\u51fa\u932f\u7684SQL\u8a9e\u53e5\u548c\u5177\u9ad4\u7684\u932f\u8aa4\u4f4d\u7f6e\u3002\u9019\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u4f60\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u6240\u5728\u3002<\/p>\n<pre><code>ERROR:  invalid escape character\nLINE 1: SELECT * FROM users WHERE name = 'O'Reilly';\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u53cd\u659c\u6760\uff08\uff09\u7528\u65bc\u8f49\u7fa9\u55ae\u5f15\u865f\uff08&#8217;\uff09\uff0c\u4f46\u5982\u679c\u672a\u6b63\u78ba\u4f7f\u7528\uff0c\u5247\u6703\u5c0e\u81f422019\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-yTwdZEJTNU\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa9PostgreSQL\u768422019\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%bd%89%e7%be%a9%e5%ad%97%e7%ac%a6-yTwdZEJTNU\">1. \u6aa2\u67e5\u8f49\u7fa9\u5b57\u7b26<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u7684SQL\u67e5\u8a62\u4e2d\u662f\u5426\u6b63\u78ba\u4f7f\u7528\u4e86\u8f49\u7fa9\u5b57\u7b26\u3002\u78ba\u4fdd\u6240\u6709\u9700\u8981\u8f49\u7fa9\u7684\u5b57\u7b26\u90fd\u5df2\u6b63\u78ba\u8655\u7406\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u55ae\u5f15\u865f\uff0c\u61c9\u4f7f\u7528\u5169\u500b\u55ae\u5f15\u865f\u4f86\u8868\u793a\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE name = 'O''Reilly';\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%8e%9f%e5%a7%8b%e5%ad%97%e7%ac%a6%e4%b8%b2-yTwdZEJTNU\">2. \u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32<\/h3>\n<p>PostgreSQL\u652f\u6301\u539f\u59cb\u5b57\u7b26\u4e32\u8a9e\u6cd5\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u4f60\u907f\u514d\u8f49\u7fa9\u5b57\u7b26\u7684\u554f\u984c\u3002\u539f\u59cb\u5b57\u7b26\u4e32\u4ee5\u300cE\u300d\u958b\u982d\uff0c\u4e26\u7528\u96d9\u5f15\u865f\u5305\u570d\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE name = E'O'Reilly';\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e8%bc%b8%e5%85%a5-yTwdZEJTNU\">3. \u6aa2\u67e5\u6578\u64da\u8f38\u5165<\/h3>\n<p>\u5982\u679c\u4f60\u662f\u5f9e\u7528\u6236\u8f38\u5165\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u8acb\u78ba\u4fdd\u5c0d\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u9a57\u8b49\u548c\u6e05\u7406\uff0c\u4ee5\u9632\u6b62\u4e0d\u6b63\u78ba\u7684\u5b57\u7b26\u9032\u5165\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-yTwdZEJTNU\">4. \u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62<\/h3>\n<p>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u53ef\u4ee5\u6709\u6548\u907f\u514dSQL\u6ce8\u5165\u548c\u8f49\u7fa9\u5b57\u7b26\u554f\u984c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u8f38\u5165\u90fd\u88ab\u6b63\u78ba\u8655\u7406\uff1a<\/p>\n<pre><code>PREPARE stmt AS SELECT * FROM users WHERE name = $1;\nEXECUTE stmt('O''Reilly');\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yTwdZEJTNU\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc22019 &#8211; invalid_escape_character\u901a\u5e38\u662f\u7531\u65bc\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u8f49\u7fa9\u5b57\u7b26\u3001\u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32\u3001\u9a57\u8b49\u6578\u64da\u8f38\u5165\u4ee5\u53ca\u63a1\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\uff0c\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22019\uff1ainvalid_escape_character\uff0c\u89e3\u6c7a\u8f49\u7fa9\u5b57\u7b26\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u9806\u5229\u9032\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178730","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178730","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178730"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178730\/revisions"}],"predecessor-version":[{"id":178731,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178730\/revisions\/178731"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}