{"id":179130,"date":"2024-11-08T23:15:18","date_gmt":"2024-11-08T15:15:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179130\/"},"modified":"2024-11-08T23:15:19","modified_gmt":"2024-11-08T15:15:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9ahv005-fdw_column_name_not_found%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179130\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV005 &#8211; fdw_column_name_not_found\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9ahv005-fdw_column_name_not_found-CfkyLYzNTm\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV005 &#8211; fdw_column_name_not_found<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f HV005 &#8211; fdw_column_name_not_found\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u5916\u90e8\u6578\u64da\u5305\uff08Foreign Data Wrapper, FDW\uff09\u6709\u95dc\uff0c\u7576 PostgreSQL \u5617\u8a66\u5f9e\u5916\u90e8\u6578\u64da\u6e90\u8b80\u53d6\u6578\u64da\u6642\uff0c\u7121\u6cd5\u627e\u5230\u6307\u5b9a\u7684\u5217\u540d\u3002\u672c\u6587\u5c07\u6df1\u5165\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%e5%88%86%e6%9e%90-CfkyLYzNTm\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>HV005 \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5217\u540d\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u7576\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u540d\u8207\u5916\u90e8\u6578\u64da\u6e90\u4e2d\u7684\u5217\u540d\u4e0d\u5339\u914d\u6642\uff0c\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5916\u90e8\u6578\u64da\u6e90\u7d50\u69cb\u8b8a\u66f4\uff1a<\/strong>\u5982\u679c\u5916\u90e8\u6578\u64da\u6e90\u7684\u7d50\u69cb\u767c\u751f\u8b8a\u66f4\uff0c\u4f8b\u5982\u522a\u9664\u6216\u91cd\u547d\u540d\u5217\uff0c\u5247 PostgreSQL \u5c07\u7121\u6cd5\u627e\u5230\u539f\u672c\u7684\u5217\u540d\u3002<\/li>\n<li><strong>FDW \u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u5982\u679c\u5728\u8a2d\u7f6e FDW \u6642\u672a\u6b63\u78ba\u914d\u7f6e\u5217\u6620\u5c04\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-CfkyLYzNTm\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9 HV005 \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%97%e5%90%8d%e6%8b%bc%e5%af%ab-CfkyLYzNTm\">1. \u6aa2\u67e5\u5217\u540d\u62fc\u5beb<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u540d\u662f\u5426\u6b63\u78ba\u3002\u78ba\u4fdd\u5217\u540d\u7684\u62fc\u5beb\u8207\u5916\u90e8\u6578\u64da\u6e90\u4e2d\u7684\u5217\u540d\u5b8c\u5168\u4e00\u81f4\uff0c\u5305\u62ec\u5927\u5c0f\u5beb\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT column_name FROM foreign_table;<\/code><\/pre>\n<p>\u5982\u679c\u5916\u90e8\u6578\u64da\u6e90\u4e2d\u7684\u5217\u540d\u70ba <code>Column_Name<\/code>\uff0c\u800c\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u662f <code>column_name<\/code>\uff0c\u5247\u6703\u5c0e\u81f4 HV005 \u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e6%ba%90%e7%b5%90%e6%a7%8b-CfkyLYzNTm\">2. \u9a57\u8b49\u5916\u90e8\u6578\u64da\u6e90\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u5217\u540d\u62fc\u5beb\u6b63\u78ba\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u5916\u90e8\u6578\u64da\u6e90\u7684\u7d50\u69cb\u3002\u53ef\u4ee5\u4f7f\u7528\u76f8\u61c9\u7684\u5de5\u5177\u6216\u67e5\u8a62\u4f86\u67e5\u770b\u5916\u90e8\u6578\u64da\u6e90\u7684\u7576\u524d\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f7f\u7528\u7684\u662f MySQL\uff0c\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SHOW COLUMNS FROM foreign_table;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u9700\u7684\u5217\u4ecd\u7136\u5b58\u5728\uff0c\u4e26\u4e14\u540d\u7a31\u672a\u88ab\u66f4\u6539\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0-fdw-%e9%85%8d%e7%bd%ae-CfkyLYzNTm\">3. \u66f4\u65b0 FDW \u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u5916\u90e8\u6578\u64da\u6e90\u7684\u7d50\u69cb\u5df2\u7d93\u8b8a\u66f4\uff0c\u5247\u9700\u8981\u66f4\u65b0 FDW \u7684\u914d\u7f6e\u3002\u9019\u53ef\u80fd\u6d89\u53ca\u5230\u91cd\u65b0\u5275\u5efa\u5916\u90e8\u8868\u6216\u66f4\u65b0\u5217\u6620\u5c04\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u91cd\u65b0\u5275\u5efa\u5916\u90e8\u8868\uff1a<\/p>\n<pre><code>CREATE FOREIGN TABLE foreign_table (\n    column_name data_type,\n    ...\n) SERVER foreign_server\nOPTIONS (table_name 'actual_table_name');<\/code><\/pre>\n<p>\u78ba\u4fdd\u5728 <code>OPTIONS<\/code> \u4e2d\u6307\u5b9a\u7684 <code>table_name<\/code> \u8207\u5916\u90e8\u6578\u64da\u6e90\u4e2d\u7684\u5be6\u969b\u8868\u540d\u4e00\u81f4\u3002<\/p>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e6%9f%a5%e8%a9%a2-CfkyLYzNTm\">4. \u6e2c\u8a66\u67e5\u8a62<\/h3>\n<p>\u5728\u9032\u884c\u4e0a\u8ff0\u66f4\u6539\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u67e5\u8a62\u4ee5\u6aa2\u67e5\u662f\u5426\u4ecd\u7136\u51fa\u73fe HV005 \u932f\u8aa4\u3002\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u5247\u53ef\u80fd\u9700\u8981\u9032\u4e00\u6b65\u8abf\u67e5 FDW \u7684\u65e5\u8a8c\u6216\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CfkyLYzNTm\">\u7e3d\u7d50<\/h2>\n<p>HV005 &#8211; fdw_column_name_not_found \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5217\u540d\u4e0d\u5339\u914d\u6216\u5916\u90e8\u6578\u64da\u6e90\u7d50\u69cb\u8b8a\u66f4\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u5217\u540d\u62fc\u5beb\u3001\u9a57\u8b49\u5916\u90e8\u6578\u64da\u6e90\u7d50\u69cb\u4ee5\u53ca\u66f4\u65b0 FDW \u914d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc HV005 &#8211; fdw_column_name_not_found \u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u89e3\u6c7a\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\u4e2d\u7684\u5217\u540d\u7a31\u554f\u984c\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-179130","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179130","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=179130"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179130\/revisions"}],"predecessor-version":[{"id":179131,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179130\/revisions\/179131"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}