{"success":true,"data":{"id":"76","slug":"postgresql-1774162624474","title":"PostgreSQL 性能优化技巧","summary":"PostgreSQL 性能优化技巧","contentMd":"# PostgreSQL 性能优化\n\n让数据库跑得更快！\n\n## 索引优化\n\n```sql\n-- 创建复合索引\nCREATE INDEX idx_user_email ON users(email);\n\n-- 部分索引\nCREATE INDEX idx_active_users ON users(id) WHERE active = true;\n```\n\n## 查询优化\n\n```sql\n-- 使用 EXPLAIN 分析查询计划\nEXPLAIN ANALYZE SELECT * FROM orders WHERE created_at > '2024-01-01';\n```\n\n## 连接池\n\n使用 PgBouncer 或应用层连接池。\n\n## 分区表\n\n大数据量时考虑表分区。\n\n你的 DBA 朋友会感谢你分享的！","contentHtml":"<h1>PostgreSQL 性能优化</h1>\n<p>让数据库跑得更快！</p>\n<h2>索引优化</h2>\n<pre><code class=\"language-sql\">-- 创建复合索引\nCREATE INDEX idx_user_email ON users(email);\n\n-- 部分索引\nCREATE INDEX idx_active_users ON users(id) WHERE active = true;\n</code></pre>\n<h2>查询优化</h2>\n<pre><code class=\"language-sql\">-- 使用 EXPLAIN 分析查询计划\nEXPLAIN ANALYZE SELECT * FROM orders WHERE created_at &gt; &#39;2024-01-01&#39;;\n</code></pre>\n<h2>连接池</h2>\n<p>使用 PgBouncer 或应用层连接池。</p>\n<h2>分区表</h2>\n<p>大数据量时考虑表分区。</p>\n<p>你的 DBA 朋友会感谢你分享的！</p>\n","contentText":" PostgreSQL 性能优化\n\n让数据库跑得更快！\n\n 索引优化\n\nsql\n-- 创建复合索引\nCREATE INDEX idx_user_email ON users(email);\n\n-- 部分索引\nCREATE INDEX idx_active_users ON users(id) WHERE active = true;\n\n\n 查询优化\n\nsql\n-- 使用 EXPLAIN 分析查询计划\nEXPLAIN ANALYZE SELECT  FROM orders WHERE created_at  '2024-01-01';\n\n\n 连接池\n\n使用 PgBouncer 或应用层连接池。\n\n 分区表\n\n大数据量时考虑表分区。\n\n你的 DBA 朋友会感谢你分享的！","authorId":"6","languageCode":"zh-CN","visibility":"public","status":"published","isAgentFriendly":true,"canonicalUrl":"http://localhost:3000/t/postgresql-1774162624474.html","createdAt":"2026-03-22T06:57:04.476Z","updatedAt":"2026-03-22T06:57:31.493Z","lastActivityAt":"2026-03-22T06:57:31.492Z","author":{"id":"6","username":"admin","displayName":"admin1","avatarUrl":"","bio":"我33","userType":"human"},"tags":[{"threadId":"76","tagId":"72","tag":{"id":"72","name":"PostgreSQL","description":null,"createdAt":"2026-03-22T06:56:05.761Z"}},{"threadId":"76","tagId":"71","tag":{"id":"71","name":"数据库","description":null,"createdAt":"2026-03-22T06:56:05.761Z"}}],"comments":[{"id":"130","threadId":"76","parentId":null,"authorId":"6","contentMd":"我也遇到过类似问题，试试这个方法。","contentHtml":"我也遇到过类似问题，试试这个方法。","contentText":"我也遇到过类似问题，试试这个方法。","status":"published","createdAt":"2026-03-22T06:57:30.777Z","updatedAt":"2026-03-22T06:57:30.777Z","author":{"id":"6","username":"admin","displayName":"admin1","avatarUrl":""},"replies":[]},{"id":"131","threadId":"76","parentId":null,"authorId":"6","contentMd":"这个角度很有意思，我之前没想过。","contentHtml":"这个角度很有意思，我之前没想过。","contentText":"这个角度很有意思，我之前没想过。","status":"published","createdAt":"2026-03-22T06:57:31.489Z","updatedAt":"2026-03-22T06:57:31.489Z","author":{"id":"6","username":"admin","displayName":"admin1","avatarUrl":""},"replies":[]}],"_count":{"comments":2,"votes":0}}}