{"id":96824,"date":"2024-10-20T12:40:18","date_gmt":"2024-10-20T04:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96824\/"},"modified":"2024-10-20T12:40:18","modified_gmt":"2024-10-20T04:40:18","slug":"postgresql-42704-%e6%9c%aa%e5%ae%9a%e7%be%a9%e7%9a%84%e5%b0%8d%e8%b1%a1-%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\/96824\/","title":{"rendered":"PostgreSQL 42704: \u672a\u5b9a\u7fa9\u7684\u5c0d\u8c61 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-42704-%e6%9c%aa%e5%ae%9a%e7%be%a9%e7%9a%84%e5%b0%8d%e8%b1%a1%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-iSJDNMxyaz\">PostgreSQL 42704: \u672a\u5b9a\u7fa9\u7684\u5c0d\u8c61\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc 42704\uff0c\u9019\u901a\u5e38\u8868\u793a\u300c\u672a\u5b9a\u7fa9\u7684\u5c0d\u8c61\u300d\u3002\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u6703\u5728\u591a\u7a2e\u60c5\u6cc1\u4e0b\u51fa\u73fe\uff0c\u4f8b\u5982\u67e5\u8a62\u4e2d\u5f15\u7528\u4e86\u4e0d\u5b58\u5728\u7684\u8868\u3001\u5217\u6216\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u9060\u7a0b\u8655\u7406\u7684\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-42704-%e7%9a%84%e5%8e%9f%e5%9b%a0-iSJDNMxyaz\">\u932f\u8aa4\u4ee3\u78bc 42704 \u7684\u539f\u56e0<\/h2>\n<p>PostgreSQL \u7684\u932f\u8aa4\u4ee3\u78bc 42704 \u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5c0d\u8c61\u4e0d\u5b58\u5728\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u8a2a\u554f\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u8868\u3001\u8996\u5716\u6216\u5217\u6642\uff0c\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\u6642\uff0c\u5982\u679c\u8868 &#8220;users&#8221; \u4e0d\u5b58\u5728\uff0c\u5247\u6703\u5831\u932f\uff1a<\/li>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<li><strong>\u62fc\u5beb\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u5c0d\u8c61\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\uff0cPostgreSQL \u4e5f\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u5c0d\u8c61\u540d\u7a31\u7684\u62fc\u5beb\u6b63\u78ba\uff0c\u4e26\u6ce8\u610f\u5927\u5c0f\u5beb\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u6a21\u5f0f\uff1a<\/strong>PostgreSQL \u652f\u6301\u591a\u500b\u6a21\u5f0f\uff08schema\uff09\uff0c\u5982\u679c\u4f60\u5728\u67e5\u8a62\u4e2d\u672a\u6307\u5b9a\u6b63\u78ba\u7684\u6a21\u5f0f\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u627e\u4e0d\u5230\u5c0d\u8c61\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>SELECT * FROM public.users;<\/code><\/pre>\n<p>\u5982\u679c &#8220;users&#8221; \u8868\u5728\u5176\u4ed6\u6a21\u5f0f\u4e2d\uff0c\u5247\u9700\u8981\u6307\u5b9a\u6b63\u78ba\u7684\u6a21\u5f0f\u540d\u7a31\u3002<\/p>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-iSJDNMxyaz\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 PostgreSQL 42704 \u932f\u8aa4\u6642\uff0c\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%a5%e5%b0%8d%e8%b1%a1%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-iSJDNMxyaz\">1. \u6aa2\u67e5\u5c0d\u8c61\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u8a8d\u4f60\u8981\u8a2a\u554f\u7684\u5c0d\u8c61\u662f\u5426\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7684\u5b58\u5728\u6027\uff1a<\/p>\n<pre><code>SELECT * FROM information_schema.tables WHERE table_name = 'users';<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%8b%bc%e5%af%ab%e5%92%8c%e5%a4%a7%e5%b0%8f%e5%af%ab-iSJDNMxyaz\">2. \u6aa2\u67e5\u62fc\u5beb\u548c\u5927\u5c0f\u5beb<\/h3>\n<p>\u78ba\u4fdd\u5c0d\u8c61\u540d\u7a31\u7684\u62fc\u5beb\u6b63\u78ba\uff0c\u4e26\u6ce8\u610f PostgreSQL \u5c0d\u5927\u5c0f\u5beb\u7684\u654f\u611f\u6027\u3002\u5982\u679c\u5c0d\u8c61\u540d\u7a31\u5728\u5275\u5efa\u6642\u4f7f\u7528\u4e86\u96d9\u5f15\u865f\uff0c\u5247\u5728\u67e5\u8a62\u6642\u4e5f\u5fc5\u9808\u4f7f\u7528\u96d9\u5f15\u865f\u3002<\/p>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e6%a8%a1%e5%bc%8f-iSJDNMxyaz\">3. \u78ba\u8a8d\u6a21\u5f0f<\/h3>\n<p>\u6aa2\u67e5\u7576\u524d\u4f7f\u7528\u7684\u6a21\u5f0f\uff0c\u4e26\u78ba\u4fdd\u67e5\u8a62\u4e2d\u5f15\u7528\u7684\u5c0d\u8c61\u5728\u6b63\u78ba\u7684\u6a21\u5f0f\u4e0b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u6a21\u5f0f\uff1a<\/p>\n<pre><code>SHOW search_path;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%ae%8c%e6%95%b4%e7%9a%84%e5%b0%8d%e8%b1%a1%e5%90%8d%e7%a8%b1-iSJDNMxyaz\">4. \u4f7f\u7528\u5b8c\u6574\u7684\u5c0d\u8c61\u540d\u7a31<\/h3>\n<p>\u5982\u679c\u4e0d\u78ba\u5b9a\u5c0d\u8c61\u7684\u6a21\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b8c\u6574\u7684\u5c0d\u8c61\u540d\u7a31\u4f86\u907f\u514d\u932f\u8aa4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM schema_name.users;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-iSJDNMxyaz\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u9060\u7a0b\u8655\u7406 PostgreSQL 42704 \u932f\u8aa4\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SSH \u9023\u63a5\uff1a<\/strong>\u78ba\u4fdd\u4f60\u80fd\u5920\u901a\u904e SSH \u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u9019\u6a23\u53ef\u4ee5\u76f4\u63a5\u57f7\u884c\u67e5\u8a62\u548c\u6aa2\u67e5\u5c0d\u8c61\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528 pgAdmin \u6216\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u4f86\u53ef\u8996\u5316\u5730\u6aa2\u67e5\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u627e\u5230\u554f\u984c\u6240\u5728\u3002<\/li>\n<li><strong>\u67e5\u770b\u65e5\u8a8c\u6587\u4ef6\uff1a<\/strong>\u6aa2\u67e5 PostgreSQL \u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u9019\u4e9b\u65e5\u8a8c\u901a\u5e38\u6703\u63d0\u4f9b\u66f4\u591a\u7684\u932f\u8aa4\u4fe1\u606f\uff0c\u5e6b\u52a9\u4f60\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-iSJDNMxyaz\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 42704 \u901a\u5e38\u662f\u7531\u65bc\u5c0d\u8c61\u4e0d\u5b58\u5728\u3001\u62fc\u5beb\u932f\u8aa4\u6216\u6a21\u5f0f\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u5c0d\u8c61\u7684\u5b58\u5728\u6027\u3001\u62fc\u5beb\u548c\u6a21\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u9060\u7a0b\u8655\u7406\u6642\uff0c\u4f7f\u7528 SSH \u9023\u63a5\u548c\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u5c07\u6709\u52a9\u65bc\u5feb\u901f\u5b9a\u4f4d\u548c\u4fee\u5fa9\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3PostgreSQL 42704\u672a\u5b9a\u4e49\u5bf9\u8c61\u9519\u8bef\u7684\u6545\u969c\u4fee\u590d\u6307\u5357\uff0c\u63d0\u4f9b\u8fdc\u7a0b\u5904\u7406\u65b9\u6cd5\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u590d\u6570\u636e\u5e93\u6b63\u5e38\u8fd0\u884c\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-96824","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96824","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=96824"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96824\/revisions"}],"predecessor-version":[{"id":96825,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96824\/revisions\/96825"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}