{"id":96874,"date":"2024-10-20T13:05:17","date_gmt":"2024-10-20T05:05:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96874\/"},"modified":"2024-10-20T13:05:18","modified_gmt":"2024-10-20T05:05:18","slug":"postgresql-hv00c-fdw%e7%84%a1%e6%95%88%e9%81%b8%e9%a0%85%e7%b4%a2%e5%bc%95-%e6%8a%a5%e9%94%99-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%a4%8d-%e8%bf%9c%e7%a8%8b%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96874\/","title":{"rendered":"PostgreSQL HV00C: fdw\u7121\u6548\u9078\u9805\u7d22\u5f15 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-hv00c-fdw%e7%84%a1%e6%95%88%e9%81%b8%e9%a0%85%e7%b4%a2%e5%bc%95%e5%a0%b1%e9%8c%af%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-hhbCCXIUqF\">PostgreSQL HV00C: fdw\u7121\u6548\u9078\u9805\u7d22\u5f15\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u548c\u554f\u984c\u3002\u5176\u4e2d\uff0cHV00C\u932f\u8aa4\u8207\u5916\u90e8\u6578\u64da\u5305\uff08Foreign Data Wrapper, FDW\uff09\u6709\u95dc\uff0c\u7279\u5225\u662f\u7576FDW\u7684\u9078\u9805\u914d\u7f6e\u4e0d\u6b63\u78ba\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eHV00C\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"hv00c%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-hhbCCXIUqF\">HV00C\u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>HV00C\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528FDW\u6642\uff0c\u7576\u7528\u6236\u5617\u8a66\u8a2a\u554f\u4e00\u500b\u7121\u6548\u7684\u9078\u9805\u7d22\u5f15\u6642\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>FDW\u7684\u9078\u9805\u672a\u6b63\u78ba\u8a2d\u7f6e\uff0c\u5c0e\u81f4PostgreSQL\u7121\u6cd5\u8b58\u5225\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u4f7f\u7528\u7684FDW\u7248\u672c\u8207PostgreSQL\u7248\u672c\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u5c0e\u81f4\u67d0\u4e9b\u9078\u9805\u7121\u6548\u3002<\/li>\n<li><strong>\u7f3a\u5c11\u5fc5\u8981\u7684\u64f4\u5c55\uff1a<\/strong>\u67d0\u4e9bFDW\u9700\u8981\u7279\u5b9a\u7684\u64f4\u5c55\u4f86\u652f\u6301\u5176\u529f\u80fd\uff0c\u5982\u679c\u9019\u4e9b\u64f4\u5c55\u672a\u5b89\u88dd\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-hhbCCXIUqF\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230HV00C\u932f\u8aa4\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5fdw%e9%85%8d%e7%bd%ae-hhbCCXIUqF\">1. \u6aa2\u67e5FDW\u914d\u7f6e<\/h3>\n<pre><code>SELECT * FROM pg_foreign_data_wrapper;<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5FDW\u7684\u914d\u7f6e\u662f\u5426\u6b63\u78ba\u3002\u4f7f\u7528\u4e0a\u8ff0SQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684FDW\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u6240\u6709\u9078\u9805\u90fd\u6b63\u78ba\u7121\u8aa4\u3002<\/p>\n<h3 id=\"2-%e6%9b%b4%e6%96%b0postgresql%e5%92%8cfdw%e7%89%88%e6%9c%ac-hhbCCXIUqF\">2. \u66f4\u65b0PostgreSQL\u548cFDW\u7248\u672c<\/h3>\n<p>\u78ba\u4fddPostgreSQL\u548cFDW\u7684\u7248\u672c\u662f\u6700\u65b0\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u7248\u672c\uff1a<\/p>\n<pre><code>SELECT version();<\/code><\/pre>\n<p>\u5982\u679c\u7248\u672c\u4e0d\u517c\u5bb9\uff0c\u8acb\u8003\u616e\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\u3002<\/p>\n<h3 id=\"3-%e5%ae%89%e8%a3%9d%e5%bf%85%e8%a6%81%e7%9a%84%e6%93%b4%e5%b1%95-hhbCCXIUqF\">3. \u5b89\u88dd\u5fc5\u8981\u7684\u64f4\u5c55<\/h3>\n<p>\u67d0\u4e9bFDW\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7684\u64f4\u5c55\u4f86\u6b63\u5e38\u904b\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u5df2\u5b89\u88dd\u7684\u64f4\u5c55\uff1a<\/p>\n<pre><code>SELECT * FROM pg_available_extensions;<\/code><\/pre>\n<p>\u5982\u679c\u7f3a\u5c11\u5fc5\u8981\u7684\u64f4\u5c55\uff0c\u8acb\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>CREATE EXTENSION extension_name;<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e9%80%a3%e6%8e%a5-hhbCCXIUqF\">4. \u6e2c\u8a66\u9023\u63a5<\/h3>\n<p>\u5728\u4fee\u5fa9\u914d\u7f6e\u5f8c\uff0c\u6e2c\u8a66FDW\u7684\u9023\u63a5\u662f\u5426\u6b63\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e2c\u8a66\uff1a<\/p>\n<pre><code>SELECT * FROM foreign_table_name;<\/code><\/pre>\n<p>\u5982\u679c\u80fd\u5920\u6210\u529f\u67e5\u8a62\uff0c\u5247\u8868\u793a\u554f\u984c\u5df2\u89e3\u6c7a\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86hv00c%e9%8c%af%e8%aa%a4-hhbCCXIUqF\">\u9060\u7a0b\u8655\u7406HV00C\u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406HV00C\u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528SSH\u9023\u63a5\uff1a<\/strong>\u901a\u904eSSH\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u4e26\u57f7\u884c\u4e0a\u8ff0\u6545\u969c\u6392\u9664\u6b65\u9a5f\u3002<\/li>\n<li><strong>\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff08\u5982VNC\u6216RDP\uff09\u4f86\u8a2a\u554f\u4f3a\u670d\u5668\uff0c\u9032\u884c\u5fc5\u8981\u7684\u914d\u7f6e\u548c\u6e2c\u8a66\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\u6aa2\u67e5\uff1a<\/strong>\u6aa2\u67e5PostgreSQL\u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u932f\u8aa4\u4fe1\u606f\uff0c\u9019\u6709\u52a9\u65bc\u9032\u4e00\u6b65\u7684\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hhbCCXIUqF\">\u7e3d\u7d50<\/h2>\n<p>HV00C\u932f\u8aa4\u5728\u4f7f\u7528PostgreSQL\u7684FDW\u6642\u4e26\u4e0d\u7f55\u898b\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u6545\u969c\u6392\u9664\u6b65\u9a5f\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u7121\u8ad6\u662f\u672c\u5730\u9084\u662f\u9060\u7a0b\u8655\u7406\uff0c\u4e86\u89e3FDW\u7684\u914d\u7f6e\u548c\u8981\u6c42\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3PostgreSQL HV00C\u9519\u8bef\uff1afdw\u65e0\u6548\u9009\u9879\u7d22\u5f15\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u590d\u548c\u8fdc\u7a0b\u5904\u7406\u65b9\u6cd5\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u8fde\u63a5\u987a\u7545\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-96874","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96874","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=96874"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96874\/revisions"}],"predecessor-version":[{"id":96875,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96874\/revisions\/96875"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}