{"id":178728,"date":"2024-11-08T20:24:20","date_gmt":"2024-11-08T12:24:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178728\/"},"modified":"2024-11-08T20:24:21","modified_gmt":"2024-11-08T12:24:21","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%9a22018-invalid_character_value_for_cast%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178728\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22018 &#8211; invalid_character_value_for_cast\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%9a22018-invalid_character_value_for_cast-gSoeJzSBpA\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22018 &#8211; invalid_character_value_for_cast<\/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\u78bc22018\uff0c\u8a72\u932f\u8aa4\u8868\u793a\u300cinvalid_character_value_for_cast\u300d\u3002\u9019\u901a\u5e38\u767c\u751f\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\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-gSoeJzSBpA\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>PostgreSQL\u4e2d\u7684\u932f\u8aa4\u4ee3\u78bc22018\u901a\u5e38\u51fa\u73fe\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\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u5b57\u7b26\u4e32\u300cabc123\u300d\u8f49\u63db\u70ba\u6574\u6578\u6642\uff0cPostgreSQL\u7121\u6cd5\u8b58\u5225\u300cabc\u300d\u90e8\u5206\u3002<\/li>\n<li><strong>\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5728\u9032\u884c\u65e5\u671f\u6216\u6642\u9593\u7684\u8f49\u63db\u6642\uff0c\u5982\u679c\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u4e0d\u7b26\u5408\u9810\u671f\u7684\u683c\u5f0f\uff0c\u4e5f\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u300c2023-02-30\u300d\u9019\u6a23\u7684\u65e5\u671f\uff0c\u56e0\u70ba\u4e8c\u6708\u6c92\u670930\u5929\u3002<\/li>\n<li><strong>\u5b57\u7b26\u96c6\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u4e0d\u652f\u6301\u7684\u5b57\u7b26\u6216\u7de8\u78bc\u554f\u984c\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u8f49\u63db\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4-gSoeJzSBpA\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22018\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\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-gSoeJzSBpA\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u8981\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\u5982\u679c\u4f60\u8981\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6574\u6578\uff0c\u8acb\u78ba\u4fdd\u8a72\u5b57\u7b26\u4e32\u53ea\u5305\u542b\u6578\u5b57\uff1a<\/p>\n<pre><code>SELECT CAST('123' AS INTEGER);  -- \u6b63\u78ba\nSELECT CAST('abc123' AS INTEGER);  -- \u932f\u8aa4\uff0c\u6703\u5f15\u767c22018\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%a0%bc%e5%bc%8f-gSoeJzSBpA\">2. \u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f<\/h3>\n<p>\u5728\u9032\u884c\u65e5\u671f\u6216\u6642\u9593\u7684\u8f49\u63db\u6642\uff0c\u8acb\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u8f49\u63db\u65e5\u671f\uff1a<\/p>\n<pre><code>SELECT TO_DATE('2023-02-28', 'YYYY-MM-DD');  -- \u6b63\u78ba\nSELECT TO_DATE('2023-02-30', 'YYYY-MM-DD');  -- \u932f\u8aa4\uff0c\u6703\u5f15\u767c22018\n<\/code><\/pre>\n<h3 id=\"3-%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a-gSoeJzSBpA\">3. \u6e05\u7406\u6578\u64da<\/h3>\n<p>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\uff0c\u8acb\u8003\u616e\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6578\u4f86\u6e05\u7406\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>REGEXP_REPLACE<\/code> \u51fd\u6578\u4f86\u79fb\u9664\u975e\u6578\u5b57\u5b57\u7b26\uff1a<\/p>\n<pre><code>SELECT REGEXP_REPLACE('abc123', '[^0-9]', '', 'g');  -- \u7d50\u679c\u70ba '123'\n<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e5%ad%97%e7%ac%a6%e9%9b%86-gSoeJzSBpA\">4. \u6aa2\u67e5\u5b57\u7b26\u96c6<\/h3>\n<p>\u5982\u679c\u4f60\u61f7\u7591\u5b57\u7b26\u96c6\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u7de8\u78bc\u8a2d\u7f6e\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u7de8\u78bc\u8207\u6578\u64da\u5eab\u4e00\u81f4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\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=\"%e7%b8%bd%e7%b5%90-gSoeJzSBpA\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc22018\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u3001\u683c\u5f0f\u4e0d\u6b63\u78ba\u6216\u5b57\u7b26\u96c6\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u3001\u6e05\u7406\u6578\u64da\u4ee5\u53ca\u6aa2\u67e5\u5b57\u7b26\u96c6\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\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884cPostgreSQL\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u89e3\u6c7aPostgreSQL\u4e2d\u7684\u932f\u8aa4\u4ee3\u78bc22018\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22018\uff1a\u7121\u6548\u5b57\u7b26\u503c\u8f49\u63db\uff0c\u4e26\u7372\u53d6\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\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-178728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178728","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=178728"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178728\/revisions"}],"predecessor-version":[{"id":178729,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178728\/revisions\/178729"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}