{"id":178696,"date":"2024-11-08T20:07:32","date_gmt":"2024-11-08T12:07:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178696\/"},"modified":"2024-11-08T20:07:33","modified_gmt":"2024-11-08T12:07:33","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%9a2200d-invalid_escape_octet%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178696\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2200D &#8211; invalid_escape_octet\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%9a2200d-invalid_escape_octet-JNalCUkqmm\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a2200D &#8211; invalid_escape_octet<\/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\u78bc2200D\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728\u5b57\u7b26\u4e32\u4e2d\u51fa\u73fe\u4e86\u7121\u6548\u7684\u8f49\u7fa9\u516b\u4f4d\u7d44\uff08escape octet\uff09\u3002\u9019\u500b\u554f\u984c\u901a\u5e38\u767c\u751f\u5728\u8655\u7406\u5b57\u5143\u4e32\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u5b57\u5143\u4e32\u7684\u8f49\u7fa9\u5e8f\u5217\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc2200d%e7%9a%84%e6%88%90%e5%9b%a0-JNalCUkqmm\">\u932f\u8aa4\u4ee3\u78bc2200D\u7684\u6210\u56e0<\/h2>\n<p>PostgreSQL\u4e2d\u7684\u8f49\u7fa9\u516b\u4f4d\u7d44\u662f\u7528\u65bc\u8868\u793a\u5b57\u5143\u4e32\u4e2d\u7684\u7279\u6b8a\u5b57\u5143\u3002\u7576\u4f60\u5728\u5b57\u5143\u4e32\u4e2d\u4f7f\u7528\u53cd\u659c\u7dda\uff08\uff09\u4f86\u8f49\u7fa9\u5b57\u5143\u6642\uff0cPostgreSQL\u6703\u671f\u671b\u5f8c\u9762\u8ddf\u96a8\u8457\u4e00\u500b\u6709\u6548\u7684\u516b\u4f4d\u7d44\u3002\u5982\u679c\u5f8c\u9762\u7684\u5b57\u7b26\u4e0d\u7b26\u5408\u516b\u4f4d\u7d44\u7684\u683c\u5f0f\uff0c\u5247\u6703\u5f15\u767c2200D\u932f\u8aa4\u3002<\/p>\n<ul>\n<li>\u4f8b\u5982\uff0c\u5b57\u5143\u4e32\u4e2d\u5305\u542b\u4e86\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5e8f\u5217\uff1a<code>'xG1'<\/code>\uff0c\u9019\u88e1\u7684<code>G1<\/code>\u4e26\u4e0d\u662f\u6709\u6548\u7684\u5341\u516d\u9032\u5236\u6578\u5b57\u3002<\/li>\n<li>\u53e6\u4e00\u500b\u5e38\u898b\u7684\u60c5\u6cc1\u662f\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u8f49\u7fa9\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a<code>'c'<\/code>\uff0c\u9019\u5728PostgreSQL\u4e2d\u4e26\u4e0d\u662f\u6709\u6548\u7684\u8f49\u7fa9\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a92200d%e9%8c%af%e8%aa%a4-JNalCUkqmm\">\u5982\u4f55\u4fee\u5fa92200D\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa92200D\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u6aa2\u67e5\u5f15\u767c\u932f\u8aa4\u7684SQL\u67e5\u8a62\u6216\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%bd%89%e7%be%a9%e5%ad%97%e7%ac%a6-JNalCUkqmm\">1. \u6aa2\u67e5\u8f49\u7fa9\u5b57\u7b26<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u7684\u8f49\u7fa9\u5b57\u7b26\u90fd\u662f\u6b63\u78ba\u7684\u3002PostgreSQL\u652f\u6301\u7684\u8f49\u7fa9\u5b57\u7b26\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>\\<\/code> &#8211; \u53cd\u659c\u7dda<\/li>\n<li><code>'<\/code> &#8211; \u55ae\u5f15\u865f<\/li>\n<li><code>\"<\/code> &#8211; \u96d9\u5f15\u865f<\/li>\n<li><code>n<\/code> &#8211; \u63db\u884c\u7b26<\/li>\n<li><code>t<\/code> &#8211; \u5236\u8868\u7b26<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u5341\u516d\u9032\u5236\u8f49\u7fa9\uff0c\u8acb\u78ba\u4fdd\u5b83\u5011\u662f\u6709\u6548\u7684\u3002\u4f8b\u5982\uff0c<code>x41<\/code>\u4ee3\u8868\u5b57\u6bcdA\uff0c\u800c<code>xG1<\/code>\u5247\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%8e%9f%e5%a7%8b%e5%ad%97%e5%85%83%e4%b8%b2-JNalCUkqmm\">2. \u4f7f\u7528\u539f\u59cb\u5b57\u5143\u4e32<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u5b57\u5143\u4e32\u4e2d\u5305\u542b\u591a\u500b\u7279\u6b8a\u5b57\u7b26\uff0c\u8003\u616e\u4f7f\u7528\u539f\u59cb\u5b57\u5143\u4e32\u3002\u539f\u59cb\u5b57\u5143\u4e32\u4ee5<code>E''<\/code>\u958b\u982d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u8f49\u7fa9\u5b57\u7b26\u7684\u554f\u984c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT E'Hello, this is a backslash: \\'<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e8%bc%b8%e5%85%a5-JNalCUkqmm\">3. \u6aa2\u67e5\u6578\u64da\u8f38\u5165<\/h3>\n<p>\u5982\u679c\u932f\u8aa4\u767c\u751f\u5728\u6578\u64da\u63d2\u5165\u904e\u7a0b\u4e2d\uff0c\u8acb\u6aa2\u67e5\u8f38\u5165\u7684\u6578\u64da\u662f\u5426\u5305\u542b\u7121\u6548\u7684\u8f49\u7fa9\u5b57\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u9a57\u8b49\u6578\u64da\u7684\u6709\u6548\u6027\u3002<\/p>\n<pre><code>SELECT * FROM your_table WHERE your_column ~ '\\\\';<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b-JNalCUkqmm\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u63d2\u5165\u6578\u64da\u6642\u907f\u514d2200D\u932f\u8aa4\uff1a<\/p>\n<pre><code>INSERT INTO your_table (your_column) VALUES ('This is a valid string with a backslash: \\');<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u500b\u5305\u542b\u7121\u6548\u8f49\u7fa9\u5b57\u7b26\u7684\u5b57\u5143\u4e32\uff0c\u5247\u6703\u5f15\u767c2200D\u932f\u8aa4\uff1a<\/p>\n<pre><code>INSERT INTO your_table (your_column) VALUES ('This will cause an error: xG1');<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JNalCUkqmm\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc2200D &#8211; invalid_escape_octet\u901a\u5e38\u662f\u7531\u65bc\u5b57\u5143\u4e32\u4e2d\u7684\u7121\u6548\u8f49\u7fa9\u516b\u4f4d\u7d44\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u8f49\u7fa9\u5b57\u7b26\u3001\u4f7f\u7528\u539f\u59cb\u5b57\u5143\u4e32\u4ee5\u53ca\u9a57\u8b49\u6578\u64da\u8f38\u5165\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<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5c08\u6ce8\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\uff0c\u800c\u4e0d\u662f\u6578\u64da\u5eab\u7684\u932f\u8aa4\u8655\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc2200D &#8211; invalid_escape_octet\uff0c\u89e3\u6c7a\u8f49\u7fa9\u5b57\u7b26\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\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-178696","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178696","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=178696"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178696\/revisions"}],"predecessor-version":[{"id":178697,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178696\/revisions\/178697"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}