{"id":179174,"date":"2024-11-08T23:37:20","date_gmt":"2024-11-08T15:37:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179174\/"},"modified":"2024-11-08T23:37:21","modified_gmt":"2024-11-08T15:37:21","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%9ahv091-fdw_invalid_descriptor_field_identifier%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179174\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV091 &#8211; fdw_invalid_descriptor_field_identifier\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%9ahv091-fdw_invalid_descriptor_field_identifier-kPILDmABij\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV091 &#8211; fdw_invalid_descriptor_field_identifier<\/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 HV091\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8207\u5916\u90e8\u6578\u64da\u5305\uff08Foreign Data Wrapper, FDW\uff09\u6709\u95dc\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e HV091 \u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406 PostgreSQL \u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"hv091-%e9%8c%af%e8%aa%a4%e7%9a%84%e8%83%8c%e6%99%af-kPILDmABij\">HV091 \u932f\u8aa4\u7684\u80cc\u666f<\/h2>\n<p>HV091 \u932f\u8aa4\u4ee3\u78bc\u8868\u793a\u300cfdw_invalid_descriptor_field_identifier\u300d\uff0c\u9019\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528\u5916\u90e8\u6578\u64da\u5305\u6642\uff0c\u7576 PostgreSQL \u5617\u8a66\u8a2a\u554f\u4e00\u500b\u7121\u6548\u7684\u63cf\u8ff0\u7b26\u5b57\u6bb5\u6a19\u8b58\u7b26\u6642\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u914d\u7f6e\u932f\u8aa4\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u5916\u90e8\u6578\u64da\u6e90\u7684\u554f\u984c\u6240\u5f15\u8d77\u7684\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-kPILDmABij\">\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>\u5728\u8a2d\u7f6e FDW \u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u7684\u53c3\u6578\u914d\u7f6e\uff0c\u5c0e\u81f4 PostgreSQL \u7121\u6cd5\u6b63\u78ba\u8b58\u5225\u5b57\u6bb5\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u5916\u90e8\u6578\u64da\u6e90\u7684\u5b57\u6bb5\u985e\u578b\u8207 PostgreSQL \u4e2d\u7684\u5b57\u6bb5\u985e\u578b\u4e0d\u4e00\u81f4\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5916\u90e8\u6578\u64da\u6e90\u554f\u984c\uff1a<\/strong>\u5982\u679c\u5916\u90e8\u6578\u64da\u6e90\u4e0d\u53ef\u7528\u6216\u8fd4\u56de\u932f\u8aa4\uff0cPostgreSQL \u4e5f\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-hv091-%e9%8c%af%e8%aa%a4-kPILDmABij\">\u5982\u4f55\u4fee\u5fa9 HV091 \u932f\u8aa4<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%aa%a2%e6%9f%a5-fdw-%e9%85%8d%e7%bd%ae-kPILDmABij\">\u6b65\u9a5f\u4e00\uff1a\u6aa2\u67e5 FDW \u914d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5916\u90e8\u6578\u64da\u5305\u7684\u914d\u7f6e\u662f\u5426\u6b63\u78ba\u3002\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684 FDW \u914d\u7f6e\uff1a<\/p>\n<pre><code>SELECT * FROM pg_foreign_data_wrapper;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u7684\u53c3\u6578\u90fd\u6b63\u78ba\u7121\u8aa4\uff0c\u7279\u5225\u662f\u8207\u63cf\u8ff0\u7b26\u5b57\u6bb5\u76f8\u95dc\u7684\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-kPILDmABij\">\u6b65\u9a5f\u4e8c\uff1a\u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6aa2\u67e5 PostgreSQL \u4e2d\u7684\u8868\u7d50\u69cb\u8207\u5916\u90e8\u6578\u64da\u6e90\u7684\u7d50\u69cb\u662f\u5426\u5339\u914d\u3002\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>SELECT column_name, data_type FROM information_schema.columns WHERE table_name = 'your_table_name';<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u8207\u5916\u90e8\u6578\u64da\u6e90\u4e2d\u7684\u5b57\u6bb5\u985e\u578b\u4e00\u81f4\u3002\u5982\u679c\u767c\u73fe\u4e0d\u5339\u914d\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e6%ba%90%e7%9a%84%e5%8f%af%e7%94%a8%e6%80%a7-kPILDmABij\">\u6b65\u9a5f\u4e09\uff1a\u6aa2\u67e5\u5916\u90e8\u6578\u64da\u6e90\u7684\u53ef\u7528\u6027<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u5169\u500b\u6b65\u9a5f\u90fd\u6c92\u6709\u554f\u984c\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u5916\u90e8\u6578\u64da\u6e90\u7684\u53ef\u7528\u6027\u3002\u78ba\u4fdd\u5916\u90e8\u6578\u64da\u6e90\u6b63\u5728\u904b\u884c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6b63\u5e38\u8a2a\u554f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e2c\u8a66\u9023\u63a5\uff1a<\/p>\n<pre><code>SELECT * FROM foreign_table_name LIMIT 1;<\/code><\/pre>\n<p>\u5982\u679c\u7121\u6cd5\u8a2a\u554f\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u6216\u5916\u90e8\u6578\u64da\u6e90\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kPILDmABij\">\u7e3d\u7d50<\/h2>\n<p>HV091 \u932f\u8aa4\u4ee3\u78bc\u901a\u5e38\u8207\u5916\u90e8\u6578\u64da\u5305\u7684\u914d\u7f6e\u3001\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u5916\u90e8\u6578\u64da\u6e90\u7684\u554f\u984c\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5 FDW \u914d\u7f6e\u3001\u6578\u64da\u985e\u578b\u548c\u5916\u90e8\u6578\u64da\u6e90\u7684\u53ef\u7528\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc HV091 \u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a fdw_invalid_descriptor_field_identifier \u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\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-179174","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179174","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=179174"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179174\/revisions"}],"predecessor-version":[{"id":179175,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179174\/revisions\/179175"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}