{"id":179132,"date":"2024-11-08T23:16:20","date_gmt":"2024-11-08T15:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179132\/"},"modified":"2024-11-08T23:16:21","modified_gmt":"2024-11-08T15:16:21","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%9ahv006-fdw_invalid_data_type_descriptors%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179132\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV006 &#8211; fdw_invalid_data_type_descriptors\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%9ahv006-fdw_invalid_data_type_descriptors-kaXbPUQFNa\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1aHV006 &#8211; fdw_invalid_data_type_descriptors<\/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 HV006\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8207\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff08Foreign Data Wrapper, FDW\uff09\u6709\u95dc\u3002\u9019\u500b\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u662f\u201cfdw_invalid_data_type_descriptors\u201d\uff0c\u8868\u793a\u5728\u4f7f\u7528 FDW \u6642\uff0c\u6578\u64da\u985e\u578b\u63cf\u8ff0\u7b26\u7121\u6548\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-kaXbPUQFNa\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>HV006 \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u5339\u914d\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u7576 PostgreSQL \u5617\u8a66\u5f9e\u5916\u90e8\u6578\u64da\u6e90\u8b80\u53d6\u6578\u64da\u6642\uff0c\u5982\u679c\u5916\u90e8\u6578\u64da\u6e90\u7684\u6578\u64da\u985e\u578b\u8207 PostgreSQL \u4e2d\u5b9a\u7fa9\u7684\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff0c\u5c31\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>FDW \u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u5728\u8a2d\u7f6e FDW \u6642\uff0c\u672a\u6b63\u78ba\u914d\u7f6e\u6578\u64da\u985e\u578b\u6216\u672a\u6b63\u78ba\u6620\u5c04\u5916\u90e8\u8868\u7684\u5217\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u67d0\u4e9b FDW \u53ef\u80fd\u8207 PostgreSQL \u7684\u7279\u5b9a\u7248\u672c\u4e0d\u517c\u5bb9\uff0c\u5c0e\u81f4\u6578\u64da\u985e\u578b\u63cf\u8ff0\u7b26\u7121\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-kaXbPUQFNa\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9 HV006 \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%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-kaXbPUQFNa\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u5916\u90e8\u6578\u64da\u6e90\u7684\u6578\u64da\u985e\u578b\u8207 PostgreSQL \u4e2d\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u5339\u914d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b PostgreSQL \u4e2d\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>SELECT column_name, data_type \nFROM information_schema.columns \nWHERE table_name = 'your_table_name';<\/code><\/pre>\n<p>\u78ba\u4fdd\u5916\u90e8\u6578\u64da\u6e90\u7684\u6578\u64da\u985e\u578b\u8207\u4e0a\u8ff0\u67e5\u8a62\u7d50\u679c\u4e00\u81f4\u3002\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u5247\u9700\u8981\u8abf\u6574\u5916\u90e8\u6578\u64da\u6e90\u7684\u6578\u64da\u985e\u578b\u6216\u5728 PostgreSQL \u4e2d\u9032\u884c\u76f8\u61c9\u7684\u66f4\u6539\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5-fdw-%e9%85%8d%e7%bd%ae-kaXbPUQFNa\">2. \u6aa2\u67e5 FDW \u914d\u7f6e<\/h3>\n<p>\u6aa2\u67e5 FDW \u7684\u914d\u7f6e\u662f\u5426\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u5df2\u914d\u7f6e\u7684 FDW\uff1a<\/p>\n<pre><code>SELECT * FROM pg_foreign_data_wrapper;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u7684\u5916\u90e8\u8868\u90fd\u6b63\u78ba\u6620\u5c04\u5230\u76f8\u61c9\u7684\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u767c\u73fe\u932f\u8aa4\uff0c\u5247\u9700\u8981\u91cd\u65b0\u914d\u7f6e FDW\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0-postgresql-%e5%92%8c-fdw-kaXbPUQFNa\">3. \u66f4\u65b0 PostgreSQL \u548c FDW<\/h3>\n<p>\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u8003\u616e\u66f4\u65b0 PostgreSQL \u548c FDW \u5230\u6700\u65b0\u7248\u672c\u3002\u67d0\u4e9b\u7248\u672c\u7684 FDW \u53ef\u80fd\u5b58\u5728\u5df2\u77e5\u7684\u932f\u8aa4\uff0c\u66f4\u65b0\u5f8c\u53ef\u80fd\u6703\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e7%9c%8b%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-kaXbPUQFNa\">4. \u67e5\u770b\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u67e5\u770b PostgreSQL \u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u6709\u95dc HV006 \u932f\u8aa4\u7684\u66f4\u591a\u8a73\u7d30\u4fe1\u606f\u3002\u65e5\u8a8c\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc PostgreSQL \u7684\u6578\u64da\u76ee\u9304\u4e2d\uff0c\u6587\u4ef6\u540d\u70ba <code>postgresql.log<\/code>\u3002\u9019\u4e9b\u65e5\u8a8c\u53ef\u4ee5\u63d0\u4f9b\u6709\u95dc\u932f\u8aa4\u7684\u5177\u9ad4\u4e0a\u4e0b\u6587\uff0c\u5e6b\u52a9\u9032\u4e00\u6b65\u8a3a\u65b7\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kaXbPUQFNa\">\u7e3d\u7d50<\/h2>\n<p>HV006 \u932f\u8aa4\u4ee3\u78bc\u901a\u5e38\u8207\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\u7684\u6578\u64da\u985e\u578b\u63cf\u8ff0\u7b26\u7121\u6548\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001FDW \u914d\u7f6e\u3001\u66f4\u65b0\u7248\u672c\u4ee5\u53ca\u67e5\u770b\u65e5\u8a8c\u6587\u4ef6\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 HV006 \u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a fdw_invalid_data_type_descriptors \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-179132","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179132","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=179132"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179132\/revisions"}],"predecessor-version":[{"id":179133,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179132\/revisions\/179133"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}