{"id":20786,"date":"2024-01-02T05:55:27","date_gmt":"2024-01-02T05:55:27","guid":{"rendered":"https:\/\/server.hk\/blog\/20786\/"},"modified":"2024-11-14T10:38:42","modified_gmt":"2024-11-14T02:38:42","slug":"postgresql-command-create-foreign-table","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20786\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aCREATE FOREIGN TABLE"},"content":{"rendered":"

PostgreSQL \u547d\u4ee4\uff1aCREATE FOREIGN TABLE<\/h1>\n

PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u80fd\u529b\u3002\u5176\u4e2d\u4e00\u500b\u986f\u8457\u7684\u529f\u80fd\u662f\u80fd\u5920\u5275\u5efa\u5916\u90e8\u8868\uff0c\u5141\u8a31\u60a8\u50cf\u64cd\u4f5c\u5e38\u898f\u6578\u64da\u5eab\u8868\u4e00\u6a23\uff0c\u8a2a\u554f\u4f86\u81ea\u5916\u90e8\u4f86\u6e90\u7684\u6578\u64da\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e PostgreSQL \u547d\u4ee4 CREATE FOREIGN TABLE \u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5c07\u5916\u90e8\u6578\u64da\u96c6\u6210\u5230\u60a8\u7684\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n

\u751a\u9ebc\u662f\u5916\u90e8\u8868\uff1f<\/h2>\n

PostgreSQL \u4e2d\u7684\u5916\u90e8\u8868\u662f\u4e00\u500b\u4ee3\u8868\u5916\u90e8\u6578\u64da\u6e90\u7684\u8868\uff0c\u9019\u4e9b\u6578\u64da\u6e90\u53ef\u4ee5\u662f\u5176\u4ed6\u6578\u64da\u5eab\u3001CSV \u6587\u4ef6\u6216\u7db2\u7d61\u670d\u52d9\u3002\u5916\u90e8\u8868\u63d0\u4f9b\u4e86\u4e00\u7a2e\u4f7f\u7528 SQL \u547d\u4ee4\u4f86\u8a2a\u554f\u548c\u64cd\u4f5c\u5916\u90e8\u6578\u64da\u7684\u65b9\u6cd5\uff0c\u5c31\u50cf\u60a8\u8655\u7406\u5e38\u898f\u6578\u64da\u5eab\u8868\u4e00\u6a23\u3002\u5916\u90e8\u8868\u4e2d\u7684\u6578\u64da\u4e26\u4e0d\u5b58\u5132\u5728 PostgreSQL \u6578\u64da\u5eab\u672c\u8eab\uff0c\u800c\u662f\u5be6\u6642\u5f9e\u5916\u90e8\u4f86\u6e90\u8a2a\u554f\u3002<\/p>\n

\u5982\u4f55\u5275\u5efa\u5916\u90e8\u8868<\/h2>\n

CREATE FOREIGN TABLE \u547d\u4ee4\u7528\u65bc\u5728 PostgreSQL \u4e2d\u5b9a\u7fa9\u5916\u90e8\u8868\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n

CREATE FOREIGN TABLE table_name (\r\n    column_name1 data_type1,\r\n    column_name2 data_type2,\r\n    ...\r\n)\r\nSERVER server_name\r\nOPTIONS (option1 'value1', option2 'value2', ...);\r\n<\/code><\/pre>\n
\u6211\u5011\u4f86\u5206\u89e3\u4e00\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n
    \n
  • table_name<\/code>\uff1a\u60a8\u60f3\u8981\u5275\u5efa\u7684\u5916\u90e8\u8868\u540d\u7a31\u3002<\/li>\n
  • column_name<\/code>\uff1a\u5916\u90e8\u8868\u4e2d\u6bcf\u500b\u5217\u7684\u540d\u7a31\u53ca\u5176\u6578\u64da\u985e\u578b\u3002<\/li>\n
  • server_name<\/code>\uff1a\u63d0\u4f9b\u8a2a\u554f\u5916\u90e8\u6578\u64da\u6e90\u7684\u5916\u90e8\u670d\u52d9\u5668\u540d\u7a31\u3002<\/li>\n
  • OPTIONS<\/code>\uff1a\u53ef\u4ee5\u70ba\u5916\u90e8\u8868\u6307\u5b9a\u7684\u5176\u4ed6\u9078\u9805\uff0c\u4f8b\u5982\u6587\u4ef6\u683c\u5f0f\u3001\u5206\u9694\u7b26\u6216\u9023\u63a5\u53c3\u6578\u3002<\/li>\n<\/ul>\n
    \n","protected":false},"excerpt":{"rendered":"
    PostgreSQL \u547d\u4ee4\uff1aCR...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-20786","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20786","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=20786"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20786\/revisions"}],"predecessor-version":[{"id":24312,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20786\/revisions\/24312"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}