{"id":96750,"date":"2024-10-20T12:03:17","date_gmt":"2024-10-20T04:03:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96750\/"},"modified":"2024-10-20T12:03:17","modified_gmt":"2024-10-20T04:03:17","slug":"postgresql-22018-invalid_character_value_for_cast-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96750\/","title":{"rendered":"PostgreSQL 22018: invalid_character_value_for_cast \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"postgresql-22018-invalid_character_value_for_cast-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-fZInErbesp\">PostgreSQL 22018: invalid_character_value_for_cast \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u300c22018: invalid_character_value_for_cast\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5c07\u4e00\u500b\u4e0d\u7b26\u5408\u683c\u5f0f\u7684\u5b57\u7b26\u503c\u8f49\u63db\u70ba\u53e6\u4e00\u7a2e\u6578\u64da\u985e\u578b\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-fZInErbesp\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>PostgreSQL \u7684\u300c22018: invalid_character_value_for_cast\u300d\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6578\u5b57\u6216\u65e5\u671f\u985e\u578b\uff0c\u4f46\u8a72\u5b57\u7b26\u4e32\u5305\u542b\u7121\u6cd5\u89e3\u6790\u7684\u5b57\u7b26\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u5b57\u7b26\u4e32 &#8220;abc&#8221; \u8f49\u63db\u70ba\u6574\u6578\u3002<\/li>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u7de8\u78bc\u8207\u61c9\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u7de8\u78bc\u4e0d\u4e00\u81f4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u5b57\u7b26\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\u4e0d\u8db3\uff1a<\/strong>\u5728\u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u5982\u679c\u672a\u5c0d\u6578\u64da\u9032\u884c\u9069\u7576\u7684\u6e05\u7406\u548c\u9a57\u8b49\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-fZInErbesp\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u300c22018: invalid_character_value_for_cast\u300d\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%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-fZInErbesp\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u5617\u8a66\u8f49\u63db\u7684\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u6e90\u6578\u64da\u7684\u683c\u5f0f\u8207\u76ee\u6a19\u6578\u64da\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u8f49\u63db\uff0c\u6e90\u6578\u64da\u61c9\u8a72\u662f\u6578\u5b57\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code>SELECT CAST('123' AS INTEGER);  -- \u6b63\u78ba\nSELECT CAST('abc' AS INTEGER);    -- \u932f\u8aa4\n<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-fZInErbesp\">2. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5728\u5c07\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u61c9\u9032\u884c\u6578\u64da\u6e05\u7406\u3002\u53ef\u4ee5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u6216\u5176\u4ed6\u5b57\u7b26\u4e32\u8655\u7406\u51fd\u6578\u4f86\u904e\u6ffe\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\uff1a<\/p>\n<pre><code>SELECT REGEXP_REPLACE('abc123', '[^0-9]', '', 'g');  -- \u53ea\u4fdd\u7559\u6578\u5b57\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc-fZInErbesp\">3. \u6aa2\u67e5\u5b57\u7b26\u7de8\u78bc<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u76f8\u540c\u7684\u5b57\u7b26\u7de8\u78bc\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u7de8\u78bc\uff1a<\/p>\n<pre><code>SHOW SERVER_ENCODING;\n<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-fZInErbesp\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u5982 SSH \u6216 VNC \u7b49\u5de5\u5177\u9060\u7a0b\u9023\u63a5\u5230\u6578\u64da\u5eab\u670d\u52d9\u5668\uff0c\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\u6aa2\u67e5\uff1a<\/strong>\u6aa2\u67e5 PostgreSQL \u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u932f\u8aa4\u4fe1\u606f\uff0c\u9019\u6709\u52a9\u65bc\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u6578\u64da\u5eab\u76e3\u63a7\u5de5\u5177\u4f86\u5be6\u6642\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fZInErbesp\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u7684\u300c22018: invalid_character_value_for_cast\u300d\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3001\u5b57\u7b26\u7de8\u78bc\u554f\u984c\u6216\u6578\u64da\u6e05\u7406\u4e0d\u8db3\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u9032\u884c\u6578\u64da\u6e05\u7406\u548c\u78ba\u4fdd\u5b57\u7b26\u7de8\u78bc\u4e00\u81f4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u9700\u8981\u6642\uff0c\u9060\u7a0b\u8655\u7406\u548c\u76e3\u63a7\u5de5\u5177\u4e5f\u80fd\u5e6b\u52a9\u5feb\u901f\u5b9a\u4f4d\u548c\u4fee\u5fa9\u6545\u969c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aPostgreSQL 22018\u932f\u8aa4\uff1a\u7121\u6548\u5b57\u7b26\u503c\u8f49\u63db\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u6307\u5357\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u6578\u64da\u5eab\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-96750","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96750","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=96750"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96750\/revisions"}],"predecessor-version":[{"id":96751,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96750\/revisions\/96751"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}