{"id":178618,"date":"2024-11-08T19:28:17","date_gmt":"2024-11-08T11:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178618\/"},"modified":"2024-11-08T19:28:18","modified_gmt":"2024-11-08T11:28:18","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%9a01004-string_data_right_truncation%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178618\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a01004 &#8211; string_data_right_truncation\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%9a01004-string_data_right_truncation-GwDjKeqBKU\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a01004 &#8211; string_data_right_truncation<\/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\u78bc01004\uff0c\u9019\u901a\u5e38\u8868\u793a\u5b57\u7b26\u4e32\u6578\u64da\u88ab\u622a\u65b7\u3002\u9019\u500b\u554f\u984c\u901a\u5e38\u767c\u751f\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u7576\u6578\u64da\u7684\u9577\u5ea6\u8d85\u904e\u4e86\u76ee\u6a19\u5217\u7684\u5b9a\u7fa9\u9577\u5ea6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\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-GwDjKeqBKU\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc01004\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5217\u9577\u5ea6\u9650\u5236\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\u8d85\u904e\u4e86\u6578\u64da\u8868\u4e2d\u5b9a\u7fa9\u7684\u5217\u9577\u5ea6\u6642\uff0cPostgreSQL\u6703\u81ea\u52d5\u622a\u65b7\u591a\u9918\u7684\u90e8\u5206\uff0c\u4e26\u8fd4\u56de\u932f\u8aa4\u4ee3\u78bc01004\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5982\u679c\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u4e0d\u7b26\u5408\u5217\u5b9a\u7fa9\u7684\u6578\u64da\u985e\u578b\u63d2\u5165\u5230\u8868\u4e2d\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u554f\u984c\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5b57\u7b26\u7de8\u78bc\u4e0d\u6b63\u78ba\u4e5f\u53ef\u80fd\u5c0e\u81f4\u5b57\u7b26\u4e32\u88ab\u622a\u65b7\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-GwDjKeqBKU\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc01004\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%97%e5%ae%9a%e7%be%a9-GwDjKeqBKU\">1. \u6aa2\u67e5\u5217\u5b9a\u7fa9<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u8868\u4e2d\u76f8\u95dc\u5217\u7684\u5b9a\u7fa9\uff0c\u78ba\u4fdd\u5b83\u5011\u7684\u9577\u5ea6\u8db3\u5920\u5bb9\u7d0d\u4f60\u8981\u63d2\u5165\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u500b\u5b9a\u7fa9\u70baVARCHAR(10)\u7684\u5217\uff0c\u800c\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u500b\u9577\u5ea6\u70ba15\u7684\u5b57\u7b26\u4e32\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770b\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>SELECT column_name, character_maximum_length \nFROM information_schema.columns \nWHERE table_name = 'your_table_name';<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%88%97%e9%95%b7%e5%ba%a6-GwDjKeqBKU\">2. \u8abf\u6574\u5217\u9577\u5ea6<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u5217\u7684\u9577\u5ea6\u4e0d\u8db3\u4ee5\u5bb9\u7d0d\u6578\u64da\uff0c\u53ef\u4ee5\u901a\u904eALTER TABLE\u8a9e\u53e5\u4f86\u8abf\u6574\u5217\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name \nALTER COLUMN your_column_name TYPE VARCHAR(20);<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5c07\u5217\u7684\u9577\u5ea6\u5f9e10\u589e\u52a0\u523020\uff0c\u5f9e\u800c\u907f\u514d\u5b57\u7b26\u4e32\u88ab\u622a\u65b7\u7684\u554f\u984c\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-GwDjKeqBKU\">3. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u8207\u5217\u5b9a\u7fa9\u76f8\u7b26\u3002\u5982\u679c\u5217\u5b9a\u7fa9\u70ba\u6574\u6578\u985e\u578b\uff0c\u800c\u4f60\u537b\u5617\u8a66\u63d2\u5165\u5b57\u7b26\u4e32\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4f7f\u7528CAST\u6216CONVERT\u51fd\u6578\u4f86\u78ba\u4fdd\u6578\u64da\u985e\u578b\u6b63\u78ba\u3002<\/p>\n<pre><code>INSERT INTO your_table_name (your_column_name) \nVALUES (CAST('your_value' AS INTEGER));<\/code><\/pre>\n<h3 id=\"4-%e8%99%95%e7%90%86%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e5%95%8f%e9%a1%8c-GwDjKeqBKU\">4. \u8655\u7406\u5b57\u7b26\u7de8\u78bc\u554f\u984c<\/h3>\n<p>\u5982\u679c\u4f60\u61f7\u7591\u5b57\u7b26\u7de8\u78bc\u53ef\u80fd\u662f\u554f\u984c\u7684\u6839\u6e90\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u7684\u7de8\u78bc\u683c\u5f0f\u3002\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\u547d\u4ee4\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u7de8\u78bc\uff1a<\/p>\n<pre><code>SHOW SERVER_ENCODING;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GwDjKeqBKU\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc01004 &#8211; string_data_right_truncation\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u9577\u5ea6\u8d85\u904e\u5217\u5b9a\u7fa9\u6240\u81f4\u3002\u901a\u904e\u6aa2\u67e5\u5217\u5b9a\u7fa9\u3001\u8abf\u6574\u5217\u9577\u5ea6\u3001\u78ba\u4fdd\u6578\u64da\u985e\u578b\u6b63\u78ba\u4ee5\u53ca\u8655\u7406\u5b57\u7b26\u7de8\u78bc\u554f\u984c\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>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc01004\uff1a\u5b57\u7b26\u4e32\u6578\u64da\u622a\u65b7\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u6b63\u78ba\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-178618","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178618","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=178618"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178618\/revisions"}],"predecessor-version":[{"id":178619,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178618\/revisions\/178619"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}