{"id":178752,"date":"2024-11-08T20:36:19","date_gmt":"2024-11-08T12:36:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178752\/"},"modified":"2024-11-08T20:36:20","modified_gmt":"2024-11-08T12:36:20","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%9a22025-invalid_escape_sequence%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178752\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22025 &#8211; invalid_escape_sequence\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%9a22025-invalid_escape_sequence%ef%bc%9f-qJEOyjJMAd\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22025 &#8211; invalid_escape_sequence\uff1f<\/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\u78bc22025\uff0c\u8868\u793a\u201cinvalid_escape_sequence\u201d\u3002\u9019\u500b\u932f\u8aa4\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\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc22025%e7%9a%84%e6%88%90%e5%9b%a0-qJEOyjJMAd\">\u932f\u8aa4\u4ee3\u78bc22025\u7684\u6210\u56e0<\/h2>\n<p>PostgreSQL\u4e2d\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u5305\u542b\u7279\u6b8a\u5b57\u7b26\uff0c\u9019\u4e9b\u5b57\u7b26\u9700\u8981\u4f7f\u7528\u8f49\u7fa9\u5e8f\u5217\u4f86\u8868\u793a\u3002\u4f8b\u5982\uff0c\u55ae\u5f15\u865f\uff08&#8217;\uff09\u5728\u5b57\u7b26\u4e32\u4e2d\u9700\u8981\u7528\u5169\u500b\u55ae\u5f15\u865f\uff08&#8221;\uff09\u4f86\u8f49\u7fa9\u3002\u5982\u679c\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u4e86\u7121\u6548\u7684\u8f49\u7fa9\u5e8f\u5217\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa422025\u7684\u51fa\u73fe\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7121\u6548\u8f49\u7fa9\u5e8f\u5217\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u53cd\u659c\u6760\uff08\uff09\u8f49\u7fa9\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a<code>SELECT 'This is a test x';<\/code><\/li>\n<li>\u5728\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u4e86\u4e0d\u652f\u6301\u7684\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a<code>SELECT 'This is a test z';<\/code><\/li>\n<li>\u672a\u6b63\u78ba\u8f49\u7fa9\u7684\u55ae\u5f15\u865f\uff0c\u4f8b\u5982\uff1a<code>SELECT 'It's a test';<\/code>\uff08\u6b63\u78ba\u61c9\u70ba <code>SELECT 'It''s a test';<\/code>\uff09<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a422025-qJEOyjJMAd\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa422025<\/h2>\n<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa422025\u7684\u95dc\u9375\u5728\u65bc\u6b63\u78ba\u4f7f\u7528\u8f49\u7fa9\u5e8f\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\u548c\u5efa\u8b70\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u907f\u514d\u548c\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%bd%89%e7%be%a9%e5%ad%97%e7%ac%a6-qJEOyjJMAd\">1. \u6aa2\u67e5\u8f49\u7fa9\u5b57\u7b26<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5SQL\u67e5\u8a62\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u4e32\uff0c\u78ba\u4fdd\u6240\u6709\u9700\u8981\u8f49\u7fa9\u7684\u5b57\u7b26\u90fd\u5df2\u6b63\u78ba\u8655\u7406\u3002\u7279\u5225\u6ce8\u610f\u55ae\u5f15\u865f\u548c\u53cd\u659c\u6760\u7684\u4f7f\u7528\u3002<\/p>\n<pre><code>SELECT 'This is a valid string with a single quote: '' and a backslash: \\'<\/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-qJEOyjJMAd\">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\u907f\u514d\u8f49\u7fa9\u554f\u984c\u3002\u539f\u59cb\u5b57\u7b26\u4e32\u4ee5<code>E'<\/code>\u958b\u982d\uff0c\u4e26\u4e14\u53ef\u4ee5\u5305\u542b\u53cd\u659c\u6760\u800c\u4e0d\u9700\u8981\u8f49\u7fa9\u3002<\/p>\n<pre><code>SELECT E'This is a raw string with a backslash:  and a single quote: ''<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-qJEOyjJMAd\">3. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u4fee\u6b63\u4e86SQL\u67e5\u8a62\u5f8c\uff0c\u52d9\u5fc5\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u932f\u8aa4\u5df2\u88ab\u4fee\u5fa9\u3002\u53ef\u4ee5\u4f7f\u7528<code>EXPLAIN<\/code>\u547d\u4ee4\u4f86\u6aa2\u67e5\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u78ba\u4fdd\u5176\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-qJEOyjJMAd\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc22025\u901a\u5e38\u662f\u7531\u65bc\u7121\u6548\u7684\u8f49\u7fa9\u5e8f\u5217\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u5b57\u7b26\u4e32\u4e2d\u7684\u8f49\u7fa9\u5b57\u7b26\u3001\u4f7f\u7528\u539f\u59cb\u5b57\u7b26\u4e32\u8a9e\u6cd5\u4ee5\u53ca\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u4e00\u932f\u8aa4\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u8655\u7406\u5b57\u7b26\u4e32\u4e0d\u50c5\u80fd\u63d0\u9ad8\u4ee3\u78bc\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22025\uff1a\u7121\u6548\u7684\u8f49\u7fa9\u5e8f\u5217\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u5eab\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u8207\u7a69\u5b9a\u6027\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-178752","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178752","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=178752"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178752\/revisions"}],"predecessor-version":[{"id":178753,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178752\/revisions\/178753"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}