{"id":42125,"date":"2024-01-01T21:51:42","date_gmt":"2023-11-13T09:34:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%80%bb%e7%bb%93%e4%b8%80%e4%b8%8bpostgresql%e7%9a%84%e5%a4%87%e4%bb%bd%e6%96%b9%e6%b3%95%e3%80%82\/"},"modified":"2024-05-04T16:22:51","modified_gmt":"2024-05-04T08:22:51","slug":"%e6%80%bb%e7%bb%93%e4%b8%80%e4%b8%8bpostgresql%e7%9a%84%e5%a4%87%e4%bb%bd%e6%96%b9%e6%b3%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%80%bb%e7%bb%93%e4%b8%80%e4%b8%8bpostgresql%e7%9a%84%e5%a4%87%e4%bb%bd%e6%96%b9%e6%b3%95%e3%80%82\/","title":{"rendered":"\u603b\u7ed3\u4e00\u4e0bPostgreSQL\u7684\u5907\u4efd\u65b9\u6cd5"},"content":{"rendered":"<p>\u6211\u4f1a\u6574\u7406\u4e00\u4e0b\u5173\u4e8e\u5728PostgreSQL\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5907\u4efd\u548c\u6062\u590d\u7684\u65b9\u6cd5\u3002<\/p>\n<h1>\u5907\u4efd\u65b9\u6cd5\u7684\u5206\u7c7b<\/h1>\n<p>\u5927\u81f4\u4e0a\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8ad6\u7406\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7269\u7406\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/ul>\n<\/li>\n<\/ul>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<br \/>\n\u30aa\u30d5\u30e9\u30a4\u30f3\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/p>\n<h2>\u903b\u8f91\u5907\u4efd<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u9644\u5e26\u7684pg_dump\u547d\u4ee4\u6765\u63d0\u53d6\u50a8\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4ee5SQL\u7684\u5f62\u5f0f\u5448\u73b0\u3002\u5b89\u88c5PostgreSQL\u540e\uff0c\u53ef\u4ee5\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u8981\u8f6c\u50a8Postgres\u6570\u636e\u5e93\u4e2d\u7684\u5185\u5bb9\uff0c<\/p>\n<pre class=\"post-pre\"><code>$ pg_dump postgres &gt; dumpfile\r\n<\/code><\/pre>\n<p>\u5c06\u8f93\u51fa\u7ed3\u679c\u4f5c\u4e3a\u7ba1\u9053\u5199\u5165\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u5f53\u67e5\u770b\u6587\u4ef6\u5185\u5bb9\u65f6\uff0c\u53ef\u4ee5\u770b\u5230\u4ee5\u4ee5\u4e0b\u5f62\u5f0f\u8bb0\u5f55\u4e86\u5f53\u524d\u6570\u636e\u5e93\u72b6\u6001\u7684\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53ef\u4ee5\u4f7f\u7528SQL\u8fdb\u884c\u91cd\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code>--\r\n-- PostgreSQL database dump\r\n--\r\n\uff1c\u7565\uff1e\r\n--\r\n-- Name: foo; Type: TABLE; Schema: public; Owner: postgres; Tablespace:\r\n--\r\n\r\nCREATE TABLE foo (\r\n    a integer NOT NULL,\r\n    b text\r\n);\r\n\uff1c\u7565\uff1e\r\n--\r\n-- Data for Name: foo; Type: TABLE DATA; Schema: public; Owner: postgres\r\n--\r\n\r\nCOPY foo (a, b) FROM stdin;\r\n1   inserted\r\n2   inserted\r\n3   inserted\r\n4   inserted\r\n5   inserted\r\n\\.\r\n\uff1c\u7565\uff1e\r\n<\/code><\/pre>\n<p>\u8981\u6062\u590d\u901a\u8fc7\u8fd9\u6837\u7684\u6570\u636e\uff0c\u53ea\u9700\u6267\u884cSQL\u5373\u53ef\u3002<\/p>\n<p>\u53ea\u8981\u5728\u540d\u4e3arestore\u7684\u6570\u636e\u5e93\u4e2d\u6062\u590d\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>$ psql restore &lt; dumpfile\r\n<\/code><\/pre>\n<p>\u53ea\u8981\u4f60\u80fd\u591f\u505a\u5230\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u5982\u679c\u60a8\u66f4\u6539\u4e86pg_dump\u7684\u8f93\u51fa\u683c\u5f0f\uff0c\u90a3\u4e48\u5728psql\u4e2d\u65e0\u6cd5\u52a0\u8f7d\u5b83\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528pg_restore\u547d\u4ee4\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<h2>\u7269\u7406\u5907\u4efd<\/h2>\n<p>PostgreSQL\u6570\u636e\u5e93\u7684\u5b9e\u4f53\u662f\u6587\u4ef6\u7684\u96c6\u5408\u3002\u5c06\u8fd9\u4e9b\u6587\u4ef6\u672c\u8eab\u590d\u5236\uff0c\u88ab\u79f0\u4e3a\u7269\u7406\u5907\u4efd\u3002<\/p>\n<p>\u5982\u679c\u5728PostgreSQL\u542f\u52a8\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u5728\u7ebf\u5907\u4efd\uff1b\u5982\u679c\u5728\u505c\u6b62PostgreSQL\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u79bb\u7ebf\u5907\u4efd\u3002<\/p>\n<h3>\u79bb\u7ebf\u5907\u4efd<\/h3>\n<p>\u7531\u4e8ePostgreSQL\u5df2\u505c\u6b62\uff0c\u6570\u636e\u5e93\u5b9e\u4f53\u6587\u4ef6\u4e0d\u4f1a\u88ab\u66f4\u65b0\u3002\u56e0\u6b64\uff0c\u5907\u4efd\u53ea\u9700\u4f7f\u7528cp\u547d\u4ee4\u6216rsync\u547d\u4ee4\u6765\u590d\u5236\u5305\u542bPostgreSQL\u6570\u636e\u7684\u76ee\u5f55\u3002\u5982\u679c\u6b63\u5728\u4f7f\u7528\u6602\u8d35\u7684\u5b58\u50a8\u8bbe\u5907\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5feb\u7167\u529f\u80fd\u3002<\/p>\n<p>\u53ea\u9700\u4f7f\u7528\u590d\u5236\u7684\u6570\u636e\u6765\u542f\u52a8PostgreSQL\u5373\u53ef\u8fd8\u539f\u5907\u4efd\u7684\u6570\u636e\u3002<\/p>\n<h3>\u5728\u7ebf\u5907\u4efd<\/h3>\n<p>\u7531\u4e8ePostgreSQL\u6b63\u5728\u8fd0\u884c\uff0c\u6570\u636e\u5e93\u6587\u4ef6\u6b63\u5728\u66f4\u65b0\u3002\u56e0\u6b64\uff0c\u4e0d\u80fd\u7b80\u5355\u5730\u590d\u5236\u6587\u4ef6\u3002\u5373\u4f7f\u5728\u590d\u5236\u8fc7\u7a0b\u4e2d\u6587\u4ef6\u88ab\u66f4\u65b0\uff0c\u4e5f\u9700\u8981\u901a\u8fc7&#8221;\u67d0\u79cd\u65b9\u5f0f&#8221;\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7WAL\u6765\u8fdb\u884c\u8986\u76d6\u3002<\/p>\n<p>\u8981\u4f7f\u7528\u5907\u4efd\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u51c6\u5907\u5907\u4efd\u7684\u6570\u636e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u540c\u65f6\u51c6\u5907\u5907\u4efd\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684WAL\u65e5\u5fd7<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u6839\u636e\u5907\u4efd\u7684\u6570\u636e\u542f\u52a8PostgreSQL\uff0c\u5e76\u4eceWAL\u65e5\u5fd7\u4e2d\u8bfb\u53d6\u5907\u4efd\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5c06\u672a\u53cd\u6620\u7684\u64cd\u4f5c\u53cd\u6620\u5230\u6570\u636e\u4e2d\u3002<\/ol>\n<p>\u6211\u4eec\u91c7\u53d6\u8fd9\u79cd\u65b9\u6cd5\u3002\u8fd9\u53ef\u80fd\u4f1a\u6709\u4e9b\u9ebb\u70e6\u3002<br \/>\n\u4f46\u662f\uff0c\u7531\u4e8ePostgreSQL\u4f1a\u81ea\u52a8\u5904\u7406\u7b2c3\u90e8\u5206\uff0c\u6240\u4ee5\u53ea\u9700\u5c06\u7b2c1\u548c\u7b2c2\u90e8\u5206\u7684\u6570\u636e\u5907\u4efd\u597d\u5373\u53ef\u3002<\/p>\n<p>1. \u4f7f\u7528cp\u6216rsync\u547d\u4ee4\u83b7\u53d6\u7684\u6570\u636e\u4e0e\u79bb\u7ebf\u5907\u4efd\u65f6\u76f8\u540c\u3002<br \/>\n2. \u5982\u4f55\u83b7\u53d6\u7b2c\u4e8c\u7ec4\u6570\u636e\uff1f<\/p>\n<p>\u5c062\u53f7\u6570\u636e\u4ee5WAL\u5f52\u6863\u7684\u5f62\u5f0f\u4fdd\u5b58\u3002<\/p>\n<h4>WAL\u5b58\u6863\u662f\u4ec0\u4e48\uff1f<\/h4>\n<p>\u6709\u4ec0\u4e48\u610f\u601d\u5462\uff1f\u5c31\u662f\u5c06PostgreSQL\u751f\u6210\u7684\u4e8b\u52a1\u65e5\u5fd7(WAL)\u6587\u4ef6\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>WAL\u6587\u4ef6\u5728\u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\u53ea\u4fdd\u5b58\u6700\u8fd1\u7684\u4e00\u5b9a\u6570\u91cf\uff0c\u65e7\u7684\u6587\u4ef6\u4f1a\u88ab\u5220\u9664\u6216\u91cd\u65b0\u5229\u7528\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u80fd\u591f\u7528\u4e8e\u6062\u590d\uff0c\u9700\u8981\u5c06WAL\u6587\u4ef6\u4fdd\u5b58\u5728\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>\u5982\u4f55\u5b58\u6863WAL\u5462\uff1f<\/p>\n<p>\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u4f7f\u7528cron\u590d\u5236\u5417\uff1f<br \/>\n\u8fd9\u6837\u4e5f\u53ef\u4ee5\uff0c\u4f46\u662f\u4f60\u53ef\u4ee5\u5c06\u5176\u4ea4\u7ed9PostgreSQL\u5904\u7406\u3002<br \/>\n\u53ea\u9700\u5728postgresql.conf\u4e2d\u8fdb\u884c\u8bbe\u7f6e\u5e76\u542f\u52a8PostgreSQL\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code>wal_level = archive  # \u30ea\u30ab\u30d0\u30ea\u306b\u4f7f\u3048\u308b\u60c5\u5831\u3092\u4fdd\u5b58\u3059\u308b\u3088\u3046\u306bminimal\u4ee5\u5916\u306e\u5024\u306b\u3057\u3066\u304a\u304f\r\narchive_mode = on   # PostgreSQL\u306b\u3088\u308bWAL\u30a2\u30fc\u30ab\u30a4\u30d6\u51e6\u7406\u3092\u6709\u52b9\u306b\u3059\u308b\r\narchive_command = 'cp %p \/archive\/%f'  # WAL\u30a2\u30fc\u30ab\u30a4\u30d6\u51e6\u7406\u6642\u306b\u4f7f\u308f\u308c\u308b\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3059\u308b\r\n<\/code><\/pre>\n<p>\u5728\u5220\u9664\u8fc7\u65f6\u7684WAL\u6587\u4ef6\u4e4b\u524d\uff0cPostgreSQL\u4f1a\u4e3a\u6211\u4eec\u6267\u884c\u5f52\u6863\u64cd\u4f5c\u3002<\/p>\n<h4>\u5728\u8fdb\u884c\u5728\u7ebf\u5907\u4efd\u65f6\u7684\u6b65\u9aa4<\/h4>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u5907\u4efd\u6240\u9700\u7684WAL\u6587\u4ef6\uff0c\u4ee5\u4fbf\u5728\u6062\u590d\u65f6\u4f7f\u7528\u3002\u7136\u800c\uff0c\u6211\u4eec\u65e0\u6cd5\u786e\u5b9a\u5728\u6062\u590d\u8fc7\u7a0b\u4e2d\u7a76\u7adf\u9700\u8981\u54ea\u4e2aWAL\u6587\u4ef6\u3002<\/p>\n<p>\u4f7f\u7528PostgreSQL\u7684pg_start_backup()\u51fd\u6570\u548cpg_stop_backup()\u51fd\u6570\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5728\u8fdb\u884c\u5728\u7ebf\u5907\u4efd\u65f6\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6267\u884cpg_start_backup()<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u590d\u5236\u6570\u636e\u5e93\u6587\u4ef6\uff08\u4e0e\u79bb\u7ebf\u5907\u4efd\u76f8\u540c\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u6267\u884cpg_stop_backup()<\/ol>\n<p>\u6309\u7167\u5982\u4e0b\u6b65\u9aa4\u8fdb\u884c\u3002<\/p>\n<p>\u901a\u8fc7\u6267\u884cpg_start_backup()\u51fd\u6570\u548cpg_stop_backup()\u51fd\u6570\uff0c\u5728\u5f00\u59cb\u548c\u7ed3\u675f\u5907\u4efd\u7684\u65f6\u5019\uff0cPostgreSQL\u4f1a\u8bb0\u5f55\u4e0b\u54ea\u4e9b\u662fWAL\u6587\u4ef6\u3002\u8fd9\u4e9b\u4fe1\u606f\u4f1a\u4e0eWAL\u6587\u4ef6\u4fdd\u5b58\u5728\u540c\u4e00\u4f4d\u7f6e\uff0c\u6240\u4ee5\u5982\u679c\u8fdb\u884c\u4e86WAL\u5f52\u6863\uff0c\u4e5f\u53ef\u4ee5\u540c\u6837\u5907\u4efd\u3002<\/p>\n<p>\u4ecePostgreSQL 9.1\u5f00\u59cb\uff0c\u4e3a\u6211\u4eec\u51c6\u5907\u4e86\u4e00\u4e2apg_basebackup\u547d\u4ee4\uff0c\u5b83\u5c06\u4ee5\u4e0a\u4e09\u4e2a\u6b65\u9aa4\u6574\u5408\u5728\u4e00\u8d77\u3002<\/p>\n<p>\u53ea\u9700\u7528-D\u9009\u9879\u6307\u5b9a\u5907\u4efd\u4fdd\u5b58\u4f4d\u7f6e\u5e76\u8fd0\u884c\u5373\u53ef\u3002\u5f88\u7b80\u5355\uff01<\/p>\n<pre class=\"post-pre\"><code>$ pg_basebackup -D \/backup\r\n<\/code><\/pre>\n<h1>\u5907\u4efd\u65b9\u6cd5\u4e4b\u6bd4\u8f83<\/h1>\n<p>\u975e\u5e38\u7b80\u5316\u5730\u8bf4\uff0c\u6211\u8ba4\u4e3a\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u4ee5\u4e0b\u51e0\u70b9\uff08\u4e2a\u4eba\u89c2\u70b9\uff09\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u624b\u6cd5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b5\u30a4\u30ba\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u9593\u30ea\u30ab\u30d0\u30ea\u6642\u9593\u30b3\u30b9\u30c8\u696d\u52d9\u5f71\u97ff\u8ad6\u7406\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u5c0f\u5c0f\u5927\u5c0f\u5c0f\u7269\u7406\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff08\u30aa\u30d5\u30e9\u30a4\u30f3\uff09\u5927\u4e2d\u5c0f\u5c0f\u5927\u7269\u7406\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff08\u30aa\u30f3\u30e9\u30a4\u30f3\uff09\u5927\uff0b\u03b1\u4e2d\uff5e\u5927\u4e2d\u4e2d\uff5e\u5927\u5c0f<\/div>\n<\/div>\n<p>\u903b\u8f91\u5907\u4efd\u5f88\u5bb9\u6613\u83b7\u53d6\u4e14\u5c3a\u5bf8\u8f83\u5c0f\uff0c\u4f46\u6062\u590d\u65f6\u9700\u8981\u4ece\u96f6\u5f00\u59cb\u5c06\u6570\u636e\u91cd\u65b0\u63d2\u5165\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u56e0\u6b64\u9700\u8981\u82b1\u8d39\u4e00\u5b9a\u65f6\u95f4\u3002<\/p>\n<p>\u4e00\u65b9\u9762\uff0c\u7269\u7406\u5907\u4efd\u901a\u8fc7\u590d\u5236\u6570\u636e\u5b9e\u4f53\u53ef\u4ee5\u5feb\u901f\u6062\u590d\uff0c\u4f46\u662f\u5907\u4efd\u6587\u4ef6\u5927\u5c0f\u8f83\u5927\u662f\u4e00\u4e2a\u95ee\u9898\u3002\u6b64\u5916\uff0c\u4e3a\u4e86\u51cf\u5c11\u4e1a\u52a1\u5f71\u54cd\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5b58\u6863\u7684WAL\uff0c\u8fd9\u4f1a\u589e\u52a0\u8fd0\u8425\u6210\u672c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u53ea\u60f3\u4fdd\u5b58\u7279\u5b9a\u7684\u8868\u683c\u6216\u8005\u8fdb\u884c\u4e00\u4e9b\u5c0f\u89c4\u6a21\u7684\u5907\u4efd\uff0c\u903b\u8f91\u5907\u4efd\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002\u4f46\u662f\uff0c\u5982\u679c\u8981\u5907\u4efd\u6574\u4e2a\u6570\u636e\u5e93\uff0c\u4f7f\u7528\u7269\u7406\u5907\u4efd\u53ef\u80fd\u4f1a\u66f4\u5408\u9002\u3002<\/p>\n<p>\u8fd0\u7528\u6210\u672c\u5f88\u9ad8\uff1f<\/p>\n<h1>\u6211\u60f3\u8981\u7b80\u5316\u7269\u7406\u5907\u4efd\u548c\u6062\u590d\uff01<\/h1>\n<p>\u5728\u90a3\u79cd\u65f6\u5019\uff0cpg_rman\u975e\u5e38\u65b9\u4fbf\u256d( \u30fb\u3142\u30fb)\u0648 \u0311\u0311 \uff78\uff9e\uff6f<\/p>\n<p>\u6211\u60f3\u8868\u8fbe\u7684\u662f&#8230; (W\u01d2 de sh\u00ec&#8230;)<\/p>\n<p>\u56e0\u6b64\uff0c\u4e0b\u4e00\u6b21\u6211\u5011\u5c07\u4ecb\u7d39pg_rman\u3002<\/p>\n<h1>\u8bf7\u5bdf\u9605<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL 9.4 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7b2c24\u7ae0\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4f1a\u6574\u7406\u4e00\u4e0b\u5173\u4e8e\u5728PostgreSQL\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u5907\u4efd\u548c\u6062\u590d\u7684\u65b9\u6cd5\u3002 \u5907\u4efd\u65b9\u6cd5\u7684\u5206\u7c7b \u5927\u81f4\u4e0a\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\u3002 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42125","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u603b\u7ed3\u4e00\u4e0bPostgreSQL\u7684\u5907\u4efd\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u603b\u7ed3\u4e00\u4e0bpostgresql\u7684\u5907\u4efd\u65b9\u6cd5\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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