{"id":96878,"date":"2024-10-20T13:07:17","date_gmt":"2024-10-20T05:07:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96878\/"},"modified":"2024-10-20T13:07:18","modified_gmt":"2024-10-20T05:07:18","slug":"postgresql-hv00m-fdw%e7%84%a1%e6%b3%95%e5%89%b5%e5%bb%ba%e5%9b%9e%e8%a6%86-%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\/96878\/","title":{"rendered":"PostgreSQL HV00M: fdw\u7121\u6cd5\u5275\u5efa\u56de\u8986 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-hv00m-fdw%e7%84%a1%e6%b3%95%e5%89%b5%e5%bb%ba%e5%9b%9e%e8%a6%86%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-NPQJlQKcjg\">PostgreSQL HV00M: fdw\u7121\u6cd5\u5275\u5efa\u56de\u8986\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff08Foreign Data Wrapper, FDW\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u5176\u4ed6\u6578\u64da\u6e90\u67e5\u8a62\u6578\u64da\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528FDW\u6642\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\uff0c\u4f8b\u5982\u201cHV00M: fdw\u7121\u6cd5\u5275\u5efa\u56de\u8986\u201d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u9032\u884c\u9060\u7a0b\u6578\u64da\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e6%a6%82%e8%bf%b0-NPQJlQKcjg\">\u932f\u8aa4\u6982\u8ff0<\/h2>\n<p>\u7576\u7528\u6236\u5617\u8a66\u5275\u5efaFDW\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230HV00M\u932f\u8aa4\u3002\u9019\u901a\u5e38\u8868\u793aPostgreSQL\u7121\u6cd5\u6b63\u78ba\u8655\u7406FDW\u7684\u8acb\u6c42\uff0c\u5c0e\u81f4\u7121\u6cd5\u5275\u5efa\u6240\u9700\u7684\u56de\u8986\u3002\u9019\u4e00\u554f\u984c\u53ef\u80fd\u6e90\u65bc\u591a\u7a2e\u539f\u56e0\uff0c\u5305\u62ec\u914d\u7f6e\u932f\u8aa4\u3001\u6b0a\u9650\u554f\u984c\u6216\u662f\u7248\u672c\u4e0d\u517c\u5bb9\u7b49\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-NPQJlQKcjg\">\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>FDW\u7684\u914d\u7f6e\u9700\u8981\u6b63\u78ba\u7684\u53c3\u6578\u8a2d\u7f6e\uff0c\u5305\u62ec\u670d\u52d9\u5668\u5730\u5740\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u7b49\u3002\u5982\u679c\u9019\u4e9b\u53c3\u6578\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5c07\u5c0e\u81f4HV00M\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u7528\u6236\u5728\u5275\u5efaFDW\u6642\u9700\u8981\u76f8\u61c9\u7684\u6b0a\u9650\u3002\u5982\u679c\u7528\u6236\u6c92\u6709\u8db3\u5920\u7684\u6b0a\u9650\uff0c\u5247\u7121\u6cd5\u6210\u529f\u5275\u5efaFDW\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u4e0d\u540c\u7248\u672c\u7684PostgreSQL\u53ef\u80fd\u5c0dFDW\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\u3002\u5982\u679c\u4f7f\u7528\u7684FDW\u4e0d\u517c\u5bb9\u7576\u524d\u7684PostgreSQL\u7248\u672c\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4%e6%ad%a5%e9%a9%9f-NPQJlQKcjg\">\u6545\u969c\u6392\u9664\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aHV00M\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5fdw%e9%85%8d%e7%bd%ae-NPQJlQKcjg\">1. \u6aa2\u67e5FDW\u914d\u7f6e<\/h3>\n<pre><code>CREATE SERVER my_server\n    FOREIGN DATA WRAPPER my_fdw\n    OPTIONS (host 'remote_host', dbname 'remote_db', port '5432');<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u9078\u9805\u90fd\u6b63\u78ba\u7121\u8aa4\uff0c\u7279\u5225\u662f\u4e3b\u6a5f\u5730\u5740\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-NPQJlQKcjg\">2. \u6aa2\u67e5\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u78ba\u4fdd\u7576\u524d\u7528\u6236\u64c1\u6709\u5275\u5efaFDW\u7684\u6b0a\u9650\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff1a<\/p>\n<pre><code>SELECT has_database_privilege('your_user', 'your_database', 'CREATE');<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5postgresql%e7%89%88%e6%9c%ac-NPQJlQKcjg\">3. \u6aa2\u67e5PostgreSQL\u7248\u672c<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7576\u524dPostgreSQL\u7248\u672c\uff1a<\/p>\n<pre><code>SELECT version();<\/code><\/pre>\n<p>\u78ba\u4fdd\u60a8\u4f7f\u7528\u7684FDW\u8207\u7576\u524d\u7248\u672c\u517c\u5bb9\u3002\u5982\u679c\u4e0d\u517c\u5bb9\uff0c\u8003\u616e\u5347\u7d1a\u6216\u964d\u7d1aPostgreSQL\u7248\u672c\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-NPQJlQKcjg\">\u9060\u7a0b\u8655\u7406\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u6578\u64da\u8655\u7406\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u914d\u7f6e\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5FDW\u7684\u914d\u7f6e\uff0c\u78ba\u4fdd\u6240\u6709\u53c3\u6578\u90fd\u662f\u6700\u65b0\u7684\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6b0a\u9650\u8b8a\u66f4\uff1a<\/strong>\u5c0d\u7528\u6236\u6b0a\u9650\u7684\u8b8a\u66f4\u9032\u884c\u76e3\u63a7\uff0c\u78ba\u4fdd\u6240\u6709\u7528\u6236\u64c1\u6709\u5fc5\u8981\u7684\u6b0a\u9650\u3002<\/li>\n<li><strong>\u4fdd\u6301\u7248\u672c\u66f4\u65b0\uff1a<\/strong>\u5b9a\u671f\u66f4\u65b0PostgreSQL\u548cFDW\uff0c\u4ee5\u7372\u53d6\u6700\u65b0\u7684\u529f\u80fd\u548c\u4fee\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NPQJlQKcjg\">\u7e3d\u7d50<\/h2>\n<p>HV00M\u932f\u8aa4\u5728\u4f7f\u7528PostgreSQL\u7684FDW\u6642\u4e26\u4e0d\u7f55\u898b\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u6545\u969c\u6392\u9664\u6b65\u9a5f\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u4e86\u89e3FDW\u7684\u914d\u7f6e\u3001\u7528\u6236\u6b0a\u9650\u548c\u7248\u672c\u517c\u5bb9\u6027\u662f\u6210\u529f\u9032\u884c\u9060\u7a0b\u6578\u64da\u8655\u7406\u7684\u95dc\u9375\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u548c\u5c08\u696d\u7684\u6280\u8853\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3PostgreSQL HV00M\u4e2dfdw\u65e0\u6cd5\u521b\u5efa\u7684\u9519\u8bef\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u590d\u548c\u8fdc\u7a0b\u5904\u7406\u7684\u8be6\u7ec6\u6b65\u9aa4\u4e0e\u5efa\u8bae\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-96878","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96878","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=96878"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96878\/revisions"}],"predecessor-version":[{"id":96879,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96878\/revisions\/96879"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}