{"id":20798,"date":"2024-01-02T06:07:22","date_gmt":"2024-01-02T06:07:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20798\/"},"modified":"2024-11-14T10:38:28","modified_gmt":"2024-11-14T02:38:28","slug":"postgresql-command-create-subscription","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20798\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aCREATE SUBSCRIPTION"},"content":{"rendered":"<h1 id=\"postgresql-command-create-subscription-QMgErLTVAp\">PostgreSQL \u547d\u4ee4\uff1aCREATE SUBSCRIPTION<\/h1>\n<p>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\u591a\u7a2e\u529f\u80fd\u548c\u7279\u6027\u3002\u5176\u4e2d\u4e00\u500b\u986f\u8457\u7684\u7279\u6027\u662f\u4f7f\u7528 CREATE SUBSCRIPTION \u547d\u4ee4\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e4b\u9593\u9032\u884c\u6578\u64da\u8907\u88fd\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e CREATE SUBSCRIPTION \u547d\u4ee4\u53ca\u5176\u5728 PostgreSQL \u4e2d\u7684\u7528\u6cd5\u3002<\/p>\n<h2 id=\"what-is-create-subscription-QMgErLTVAp\">\u4ec0\u9ebc\u662f CREATE SUBSCRIPTION\uff1f<\/h2>\n<p>PostgreSQL \u4e2d\u7684 CREATE SUBSCRIPTION \u547d\u4ee4\u5141\u8a31\u60a8\u5728\u4e00\u500b\u767c\u4f48\u8005\u6578\u64da\u5eab\u548c\u4e00\u500b\u6216\u591a\u500b\u8a02\u95b1\u8005\u6578\u64da\u5eab\u4e4b\u9593\u8a2d\u7f6e\u908f\u8f2f\u8907\u88fd\u3002\u5b83\u4f7f\u60a8\u53ef\u4ee5\u5c07\u767c\u4f48\u8005\u7684\u7279\u5b9a\u8868\u6216\u6574\u500b\u6578\u64da\u5eab\u5be6\u6642\u8907\u88fd\u5230\u8a02\u95b1\u8005\u6578\u64da\u5eab\u3002<\/p>\n<p>\u908f\u8f2f\u8907\u88fd\u8207\u7269\u7406\u8907\u88fd\u4e0d\u540c\uff0c\u5b83\u8907\u88fd\u7684\u662f\u6578\u64da\u6240\u4f5c\u7684\u8b8a\u66f4\uff0c\u800c\u4e0d\u662f\u6574\u500b\u6578\u64da\u5eab\u96c6\u7fa4\u7684\u5167\u5bb9\u3002\u9019\u4f7f\u5176\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u5eab\u6642\u66f4\u5177\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"how-to-use-create-subscription-QMgErLTVAp\">\u5982\u4f55\u4f7f\u7528 CREATE SUBSCRIPTION\uff1f<\/h2>\n<p>\u8981\u5275\u5efa\u4e00\u500b\u8a02\u95b1\uff0c\u60a8\u9700\u8981\u4e00\u500b\u767c\u4f48\u8005\u6578\u64da\u5eab\u548c\u81f3\u5c11\u4e00\u500b\u8a02\u95b1\u8005\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f CREATE SUBSCRIPTION \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE SUBSCRIPTION subscription_name\r\n    CONNECTION 'connection_string'\r\n    PUBLICATION publication_name\r\n    WITH (option_name = option_value, ...);\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u8a9e\u6cd5\u7684\u5206\u89e3\uff1a<\/p>\n<ul>\n<li><code>subscription_name<\/code>\uff1a\u60a8\u60f3\u8981\u5275\u5efa\u7684\u8a02\u95b1\u540d\u7a31\u3002<\/li>\n<li><code>CONNECTION 'connection_string'<\/code>\uff1a\u6307\u5b9a\u5230\u767c\u4f48\u8005\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>PUBLICATION publication_name<\/code>\uff1a\u60a8\u60f3\u8981\u8a02\u95b1\u7684\u767c\u4f48\u540d\u7a31\u3002\u767c\u4f48\u662f\u4e00\u500b\u547d\u540d\u7684\u8868\u96c6\u5408\u6216\u6574\u500b\u6578\u64da\u5eab\uff0c\u60a8\u5e0c\u671b\u5c07\u5176\u8907\u88fd\u3002<\/li>\n<li><code>WITH (option_name = option_value, ...)<\/code>\uff1a\u8a02\u95b1\u7684\u9644\u52a0\u9078\u9805\uff0c\u4f8b\u5982\u8907\u88fd\u65b9\u6cd5\u3001\u69fd\u540d\u7a31\u548c\u540c\u6b65\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p>\u7576\u60a8\u5275\u5efa\u8a02\u95b1\u5f8c\uff0cPostgreSQL \u6703\u958b\u59cb\u5be6\u6642\u5c07\u6307\u5b9a\u7684\u8868\u6216\u6578\u64da\u5eab\u5f9e\u767c\u4f48\u8005\u8907\u88fd\u5230\u8a02\u95b1\u8005\u3002<\/p>\n<h2 id=\"example-QMgErLTVAp\">\u7bc4\u4f8b\uff1a<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba &#8220;mydb&#8221; \u7684\u767c\u4f48\u8005\u6578\u64da\u5eab\u548c\u4e00\u500b\u540d\u70ba &#8220;mysubdb&#8221; \u7684\u8a02\u95b1\u8005\u6578\u64da\u5eab\u3002\u6211\u5011\u60f3\u5c07 &#8220;employees&#8221; \u8868\u5f9e\u767c\u4f48\u8005\u8907\u88fd\u5230\u8a02\u95b1\u8005\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8a02\u95b1\u7684\u65b9\u6cd5\uff1a<\/p>\n<pre><code>CREATE SUBSCRIPTION my_subscription\r\n    CONNECTION 'dbname=mydb host=example.com port=5432 user=myuser password=mypassword'\r\n    PUBLICATION my_publication\r\n    WITH (copy_data = false);\r\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba &#8220;my_subscription&#8221; \u7684\u8a02\u95b1\uff0c\u4f7f\u7528\u6307\u5b9a\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u9023\u63a5\u5230\u767c\u4f48\u8005\u6578\u64da\u5eab\u3002\u6211\u5011\u8a02\u95b1\u4e86\u540d\u70ba &#8220;my_publication&#8221; \u7684\u767c\u4f48\uff0c\u4e26\u8a2d\u7f6e\u4e86 &#8220;copy_data&#8221; \u9078\u9805\u70ba false\uff0c\u9019\u610f\u5473\u8457\u8a02\u95b1\u8005\u4e2d\u7684\u73fe\u6709\u6578\u64da\u4e0d\u6703\u5f9e\u767c\u4f48\u8005\u90a3\u88e1\u8907\u88fd\u904e\u4f86\u3002<\/p>\n<h2 id=\"summary-QMgErLTVAp\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684 CREATE SUBSCRIPTION \u547d\u4ee4\u5141\u8a31\u60a8\u5728\u4e00\u500b\u767c\u4f48\u8005\u6578\u64da\u5eab\u548c\u4e00\u500b\u6216\u591a\u500b\u8a02\u95b1\u8005\u6578\u64da\u5eab\u4e4b\u9593\u8a2d\u7f6e\u908f\u8f2f\u8907\u88fd\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u6642\u8907\u88fd\u7279\u5b9a\u7684\u8868\u6216\u6574\u500b\u6578\u64da\u5eab\u3002\u901a\u904e\u4f7f\u7528 CREATE SUBSCRIPTION \u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u4fdd\u6301\u591a\u500b\u4f3a\u670d\u5668\u4e0a\u7684\u6578\u64da\u540c\u6b65\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002Server.HK \u63d0\u4f9b\u591a\u7a2e\u8a08\u5283\u548c\u5353\u8d8a\u7684\u5ba2\u6236\u652f\u6301\uff0c\u662f\u696d\u5167\u503c\u5f97\u4fe1\u8cf4\u7684\u670d\u52d9\u63d0\u4f9b\u5546\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\u4ee4\uff1aCR&#46;&#46;&#46;<\/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-20798","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20798","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=20798"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20798\/revisions"}],"predecessor-version":[{"id":24295,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20798\/revisions\/24295"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}