{"id":32868,"date":"2026-08-27T10:00:00","date_gmt":"2026-08-27T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32868"},"modified":"2026-08-28T13:59:11","modified_gmt":"2026-08-28T05:59:11","slug":"postgresql-b-tree-gin","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/postgresql-b-tree-gin\/","title":{"rendered":"PostgreSQL \u7d22\u5f15\u7c7b\u578b\u9009\u62e9\uff1aB-tree \u5230 GIN \u7684\u9002\u7528\u573a\u666f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/postgresql-b-tree-gin-cover.webp\" alt=\"PostgreSQL \u7d22\u5f15\u7c7b\u578b\u9009\u62e9\uff1aB-tree \u5230 GIN \u7684\u9002\u7528\u573a\u666f \u5c01\u9762\u914d\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u5f88\u591a\u5f00\u53d1\u8005\u5728\u7ed9 PostgreSQL \u5efa\u7d22\u5f15\u65f6\uff0c\u4e60\u60ef\u6027\u5730\u53ea\u5199\u4e00\u53e5 <code>CREATE INDEX<\/code>\uff0c\u8ba9\u6570\u636e\u5e93\u7528\u9ed8\u8ba4\u7684 B-tree \u7d22\u5f15\u3002\u8fd9\u79cd\u505a\u6cd5\u5728\u5927\u591a\u6570\u573a\u666f\u4e0b\u6ca1\u95ee\u9898\uff0c\u4f46\u4e00\u65e6\u9047\u5230\u5168\u6587\u68c0\u7d22\u3001\u6570\u7ec4\u67e5\u8be2\u6216\u8d85\u5927\u6570\u636e\u8868\uff0c\u9ed8\u8ba4\u7d22\u5f15\u5c31\u53ef\u80fd\u8ba9\u67e5\u8be2\u4ece\u6beb\u79d2\u7ea7\u9000\u5316\u5230\u79d2\u7ea7\u3002\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u6559\u4f60\u5982\u4f55\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u9009\u62e9\u6b63\u786e\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u5e76\u7ed9\u51fa\u4e00\u4e2a\u53ef\u4ee5\u76f4\u63a5\u5957\u7528\u7684\u5224\u65ad\u65b9\u6cd5\uff0c\u907f\u514d\u5728\u7d22\u5f15\u4e0a\u53cd\u590d\u8e29\u5751\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u7d22\u5f15\u7c7b\u578b\u9009\u62e9\u4f1a\u76f4\u63a5\u5f71\u54cd\u67e5\u8be2\u901f\u5ea6<\/h2>\n<p>PostgreSQL \u7684\u7d22\u5f15\u672c\u8d28\u4e0a\u662f\u4e00\u79cd\u52a0\u901f\u6570\u636e\u5b9a\u4f4d\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f46\u4e0d\u540c\u7ed3\u6784\u64c5\u957f\u5904\u7406\u4e0d\u540c\u7684\u64cd\u4f5c\u7b26\u3002B-tree \u7d22\u5f15\u64c5\u957f\u7b49\u503c\u6bd4\u8f83\uff08<code>=<\/code>\uff09\u548c\u8303\u56f4\u67e5\u8be2\uff08<code>&gt;<\/code>\u3001<code>&lt;<\/code>\u3001<code>BETWEEN<\/code>\uff09\uff0c\u800c GIN \u7d22\u5f15\u64c5\u957f\u5904\u7406\u6570\u7ec4\u5305\u542b\u3001\u5168\u6587\u68c0\u7d22\u8fd9\u7c7b&#8221;\u4e00\u4e2a\u503c\u5bf9\u5e94\u591a\u4e2a\u6761\u76ee&#8221;\u7684\u573a\u666f\u3002\u9009\u9519\u7c7b\u578b\u65f6\uff0c\u6570\u636e\u5e93\u8981\u4e48\u653e\u5f03\u7d22\u5f15\u8d70\u5168\u8868\u626b\u63cf\uff0c\u8981\u4e48\u7d22\u5f15\u672c\u8eab\u65e0\u6cd5\u5339\u914d\u67e5\u8be2\u6761\u4ef6\uff0c\u7ed3\u679c\u90fd\u662f\u67e5\u8be2\u53d8\u6162\u3002<\/p>\n<p>\u4e00\u4e2a\u5178\u578b\u7684\u4f8b\u5b50\u662f\uff1a\u5982\u679c\u4f60\u5728\u5b58\u50a8\u6807\u7b7e\u7684\u6570\u7ec4\u5b57\u6bb5\u4e0a\u5efa\u4e86 B-tree \u7d22\u5f15\uff0c\u7136\u540e\u6267\u884c <code>WHERE tags @&gt; ARRAY['postgres']<\/code>\uff0cPostgreSQL \u5e76\u4e0d\u4f1a\u4f7f\u7528\u8fd9\u4e2a B-tree \u7d22\u5f15\uff0c\u56e0\u4e3a B-tree \u4e0d\u652f\u6301\u6570\u7ec4\u5305\u542b\u64cd\u4f5c\u7b26\u3002\u6b64\u65f6\u53ea\u6709 GIN \u7d22\u5f15\u624d\u80fd\u547d\u4e2d\u3002\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u662f\u6b63\u786e\u9009\u578b\u7684\u7b2c\u4e00\u6b65\u3002\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u90e8\u7f72\u73af\u5883\u8fd8\u4e0d\u719f\u6089\uff0c\u53ef\u4ee5\u5148\u53c2\u8003\u6211\u4eec\u5173\u4e8e<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u914d\u7f6e<\/a>\u7684\u6587\u7ae0\uff0c\u4e86\u89e3\u57fa\u7840\u73af\u5883\u642d\u5efa\u3002<\/p>\n<h2>B-tree \u7d22\u5f15\uff1a\u9ed8\u8ba4\u9009\u62e9\u4e0e\u9002\u7528\u573a\u666f<\/h2>\n<p>B-tree \u662f PostgreSQL \u7684\u9ed8\u8ba4\u7d22\u5f15\u7c7b\u578b\uff0c\u4e5f\u662f\u7edd\u5927\u591a\u6570\u573a\u666f\u4e0b\u7684\u6b63\u786e\u9009\u62e9\u3002\u5b83\u652f\u6301\u7b49\u503c\u67e5\u8be2\u3001\u8303\u56f4\u67e5\u8be2\u548c\u6392\u5e8f\uff0c\u5e76\u4e14\u5bf9 <code>ORDER BY<\/code> \u4e5f\u6709\u5e2e\u52a9\u3002\u5f53\u4f60\u9762\u5bf9\u4e3b\u952e\u3001\u5916\u952e\u3001\u552f\u4e00\u7ea6\u675f\uff0c\u6216\u8005\u7ecf\u5e38\u7528 <code>=<\/code>\u3001<code>&gt;<\/code>\u3001<code>&lt;<\/code>\u3001<code>BETWEEN<\/code>\u3001<code>LIKE 'abc%'<\/code> \u8fd9\u7c7b\u524d\u7f00\u5339\u914d\u65f6\uff0cB-tree \u5c31\u662f\u6700\u7a33\u59a5\u7684\u65b9\u6848\u3002<\/p>\n<p>\u5728\u5b9e\u8df5\u91cc\uff0cB-tree \u7d22\u5f15\u7684\u7ef4\u62a4\u6210\u672c\u4e5f\u76f8\u5bf9\u53ef\u63a7\u3002\u5b83\u91c7\u7528\u5e73\u8861\u6811\u7ed3\u6784\uff0c\u63d2\u5165\u548c\u5220\u9664\u65f6\u80fd\u4fdd\u6301\u6811\u7684\u9ad8\u5ea6\u7a33\u5b9a\uff0c\u56e0\u6b64\u5728\u9ad8\u5e76\u53d1\u5199\u5165\u7684\u573a\u666f\u4e0b\u8868\u73b0\u7a33\u5b9a\u3002\u5982\u679c\u4f60\u7684\u67e5\u8be2\u6a21\u5f0f\u4e3b\u8981\u662f&#8221;\u6309\u67d0\u4e2a\u5b57\u6bb5\u7cbe\u786e\u67e5\u627e\u67d0\u4e00\u884c&#8221;\u6216&#8221;\u53d6\u67d0\u4e2a\u8303\u56f4\u5185\u7684\u6570\u636e&#8221;\uff0c\u76f4\u63a5\u4f7f\u7528\u9ed8\u8ba4 B-tree \u5373\u53ef\uff0c\u4e0d\u9700\u8981\u989d\u5916\u6307\u5b9a\u7c7b\u578b\u3002<\/p>\n<h2>GIN \u7d22\u5f15\uff1a\u5168\u6587\u68c0\u7d22\u4e0e\u6570\u7ec4\u67e5\u8be2<\/h2>\n<p>GIN\uff08Generalized Inverted Index\uff0c\u901a\u7528\u5012\u6392\u7d22\u5f15\uff09\u9002\u5408&#8221;\u4e00\u4e2a\u952e\u5bf9\u5e94\u591a\u4e2a\u503c&#8221;\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5178\u578b\u573a\u666f\u5305\u62ec\u6570\u7ec4\u5b57\u6bb5\u7684\u5305\u542b\u67e5\u8be2\u3001\u5168\u6587\u68c0\u7d22\uff08<code>tsvector<\/code>\uff09\u4ee5\u53ca JSONB \u7684\u8def\u5f84\u67e5\u8be2\u3002\u5f53\u4f60\u6267\u884c <code>WHERE tags @&gt; ARRAY['postgres']<\/code> \u6216 <code>WHERE to_tsvector('english', body) @@ to_tsquery('postgres')<\/code> \u65f6\uff0cGIN \u7d22\u5f15\u80fd\u663e\u8457\u52a0\u901f\u8fd9\u7c7b\u67e5\u8be2\u3002<\/p>\n<p>GIN \u7d22\u5f15\u7684\u4ee3\u4ef7\u662f\u5199\u5165\u65f6\u7ef4\u62a4\u6210\u672c\u8f83\u9ad8\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u65b0\u503c\u90fd\u53ef\u80fd\u9700\u8981\u66f4\u65b0\u591a\u4e2a\u5012\u6392\u6761\u76ee\u3002\u56e0\u6b64\u5b83\u66f4\u9002\u5408&#8221;\u8bfb\u591a\u5199\u5c11&#8221;\u7684\u573a\u666f\uff0c\u6bd4\u5982\u6587\u7ae0\u6807\u7b7e\u3001\u641c\u7d22\u8bcd\u5e93\u8fd9\u7c7b\u6570\u636e\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u91cc\u6570\u7ec4\u6216\u5168\u6587\u68c0\u7d22\u67e5\u8be2\u9891\u7e41\uff0c\u800c\u5199\u5165\u91cf\u53ef\u63a7\uff0cGIN \u662f\u503c\u5f97\u4f18\u5148\u8003\u8651\u7684\u7c7b\u578b\u3002\u5173\u4e8e\u5168\u6587\u68c0\u7d22\u5728\u7f51\u7ad9\u573a\u666f\u4e0b\u7684\u66f4\u591a\u5e94\u7528\uff0c\u53ef\u4ee5\u9605\u8bfb\u6211\u4eec\u5173\u4e8e<a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u6559\u7a0b<\/a>\u7684\u5185\u5bb9\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/postgresql-b-tree-gin-comparison.webp\" alt=\"B-tree \u5e73\u8861\u6811\u7d22\u5f15\u4e0e GIN \u5012\u6392\u7d22\u5f15\u7684\u5de6\u53f3\u5bf9\u6bd4\u914d\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>GiST\u3001BRIN \u4e0e Hash \u7d22\u5f15\u7684\u8fb9\u754c<\/h2>\n<p>\u9664\u4e86 B-tree \u548c GIN\uff0cPostgreSQL \u8fd8\u63d0\u4f9b GiST\u3001BRIN \u548c Hash \u7d22\u5f15\uff0c\u5404\u6709\u660e\u786e\u8fb9\u754c\u3002GiST \u9002\u5408\u5730\u7406\u7a7a\u95f4\u6570\u636e\uff08\u5982 PostGIS \u7684\u51e0\u4f55\u7c7b\u578b\uff09\u548c\u8303\u56f4\u7c7b\u578b\uff0c\u5b83\u652f\u6301&#8221;\u5305\u542b&#8221;&#8221;\u76f8\u4ea4&#8221;\u8fd9\u7c7b\u7a7a\u95f4\u64cd\u4f5c\u7b26\u3002BRIN\uff08Block Range INdex\uff0c\u5757\u8303\u56f4\u7d22\u5f15\uff09\u9002\u5408\u6570\u636e\u6309\u7269\u7406\u987a\u5e8f\u6392\u5217\u7684\u8d85\u5927\u8868\uff0c\u6bd4\u5982\u65f6\u95f4\u5e8f\u5217\u65e5\u5fd7\uff0c\u5b83\u53ea\u8bb0\u5f55\u6bcf\u4e2a\u6570\u636e\u5757\u7684\u6458\u8981\uff0c\u4f53\u79ef\u5c0f\u4f46\u80fd\u5927\u5e45\u51cf\u5c11\u626b\u63cf\u91cf\u3002Hash \u7d22\u5f15\u5219\u53ea\u652f\u6301\u7b49\u503c\u67e5\u8be2\uff0c\u5728\u7b49\u503c\u573a\u666f\u4e0b\u53ef\u80fd\u6bd4 B-tree \u7565\u5feb\uff0c\u4f46\u4f7f\u7528\u9762\u8f83\u7a84\u3002<\/p>\n<p>\u9009\u62e9\u8fd9\u4e9b\u7c7b\u578b\u65f6\uff0c\u5173\u952e\u662f\u770b\u4f60\u7684\u6570\u636e\u5206\u5e03\u548c\u67e5\u8be2\u64cd\u4f5c\u7b26\u3002\u5982\u679c\u6570\u636e\u662f\u8ffd\u52a0\u5199\u5165\u7684\u65f6\u95f4\u5e8f\u5217\uff0cBRIN \u5f80\u5f80\u6bd4 B-tree \u66f4\u7701\u7a7a\u95f4\uff1b\u5982\u679c\u6d89\u53ca\u5730\u7406\u5750\u6807\uff0cGiST \u51e0\u4e4e\u662f\u552f\u4e00\u9009\u62e9\u3002\u4e0d\u8981\u56e0\u4e3a&#8221;\u542c\u8bf4\u8fc7\u67d0\u4e2a\u7c7b\u578b&#8221;\u5c31\u76f2\u76ee\u4f7f\u7528\uff0c\u5148\u786e\u8ba4\u67e5\u8be2\u64cd\u4f5c\u7b26\u662f\u5426\u88ab\u8be5\u7d22\u5f15\u652f\u6301\u3002<\/p>\n<h2>\u5982\u4f55\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u9009\u62e9\u7d22\u5f15\u7c7b\u578b<\/h2>\n<p>\u4e00\u4e2a\u5b9e\u7528\u7684\u9009\u62e9\u65b9\u6cd5\u662f\uff1a\u5148\u5217\u51fa\u4f60\u6700\u9ad8\u9891\u7684\u51e0\u6761\u67e5\u8be2\uff0c\u518d\u770b\u5b83\u4eec\u4f7f\u7528\u7684\u64cd\u4f5c\u7b26\u3002\u5982\u679c\u5168\u662f <code>=<\/code> \u548c\u8303\u56f4\u6bd4\u8f83\uff0c\u9009 B-tree\uff1b\u5982\u679c\u6d89\u53ca\u6570\u7ec4\u5305\u542b\u6216\u5168\u6587\u68c0\u7d22\uff0c\u9009 GIN\uff1b\u5982\u679c\u6570\u636e\u91cf\u6781\u5927\u4e14\u6309\u5e8f\u5199\u5165\uff0c\u8003\u8651 BRIN\uff1b\u5982\u679c\u6d89\u53ca\u7a7a\u95f4\u6216\u8303\u56f4\u7c7b\u578b\uff0c\u9009 GiST\u3002\u4f60\u53ef\u4ee5\u7528 <code>EXPLAIN ANALYZE<\/code> \u9a8c\u8bc1\u7d22\u5f15\u662f\u5426\u771f\u7684\u88ab\u4f7f\u7528\uff0c\u89c2\u5bdf <code>Index Scan<\/code> \u662f\u5426\u51fa\u73b0\u5728\u6267\u884c\u8ba1\u5212\u91cc\u3002<\/p>\n<p>\u5728\u771f\u5b9e\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5efa\u8bae\u5148\u4e3a\u6700\u5f71\u54cd\u6027\u80fd\u7684\u67e5\u8be2\u5efa\u7acb\u7d22\u5f15\uff0c\u518d\u9010\u6b65\u8865\u5145\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u7ed9\u6240\u6709\u5b57\u6bb5\u90fd\u5efa\u7d22\u5f15\u3002\u8fc7\u591a\u7684\u7d22\u5f15\u4f1a\u62d6\u6162\u5199\u5165\u901f\u5ea6\uff0c\u5e76\u5360\u7528\u78c1\u76d8\u7a7a\u95f4\u3002\u4f60\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a\u7d22\u5f15\u662f&#8221;\u7528\u7a7a\u95f4\u6362\u65f6\u95f4&#8221;\uff0c\u6bcf\u591a\u4e00\u4e2a\u7d22\u5f15\uff0c\u5199\u5165\u65f6\u5c31\u8981\u591a\u7ef4\u62a4\u4e00\u4efd\u7ed3\u6784\u3002\u5982\u679c\u67e5\u8be2\u6027\u80fd\u4ecd\u7136\u4e0d\u7406\u60f3\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u5173\u4e8e<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316<\/a>\u7684\u6587\u7ae0\uff0c\u4ece\u6574\u4f53\u94fe\u8def\u6392\u67e5\u74f6\u9888\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/postgresql-b-tree-gin-selection.webp\" alt=\"\u56db\u79cd\u7d22\u5f15\u7c7b\u578b\u4e0e\u5bf9\u5e94\u67e5\u8be2\u6a21\u5f0f\u7684\u56db\u5361\u7247\u4fe1\u606f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u603b\u7ed3\u4e0e\u884c\u52a8\u5efa\u8bae<\/h2>\n<p>PostgreSQL \u7d22\u5f15\u9009\u578b\u7684\u6838\u5fc3\u662f&#8221;\u8ba9\u7d22\u5f15\u5339\u914d\u67e5\u8be2\u64cd\u4f5c\u7b26&#8221;\uff0c\u800c\u4e0d\u662f\u76f2\u76ee\u5806\u7d22\u5f15\u3002B-tree \u8986\u76d6\u5927\u591a\u6570\u7b49\u503c\u548c\u8303\u56f4\u573a\u666f\uff0cGIN \u89e3\u51b3\u6570\u7ec4\u4e0e\u5168\u6587\u68c0\u7d22\uff0cGiST \u5904\u7406\u7a7a\u95f4\u6570\u636e\uff0cBRIN \u9002\u5408\u8d85\u5927\u987a\u5e8f\u8868\u3002\u5efa\u8bae\u4f60\u5728\u5efa\u7d22\u5f15\u524d\u5148\u7528 <code>EXPLAIN<\/code> \u5206\u6790\u67e5\u8be2\u8ba1\u5212\uff0c\u786e\u8ba4\u7d22\u5f15\u786e\u5b9e\u88ab\u4f7f\u7528\uff0c\u518d\u51b3\u5b9a\u662f\u5426\u4fdd\u7559\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4e3a\u6570\u636e\u5e93\u6027\u80fd\u53d1\u6101\uff0c\u53ef\u4ee5\u8003\u8651\u628a\u6570\u636e\u5e93\u90e8\u7f72\u5728\u6027\u80fd\u66f4\u7a33\u5b9a\u7684<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u4e0a\uff0c\u914d\u5408\u5408\u7406\u7684\u7d22\u5f15\u8bbe\u8ba1\uff0c\u5f80\u5f80\u80fd\u540c\u65f6\u89e3\u51b3\u67e5\u8be2\u6162\u548c\u8d44\u6e90\u4e89\u62a2\u7684\u95ee\u9898\u3002\u6211\u4eec\u5efa\u8bae\u7684\u505a\u6cd5\u662f\uff1a\u5148\u4f18\u5316\u7d22\u5f15\uff0c\u518d\u8bc4\u4f30\u786c\u4ef6\uff0c\u6700\u540e\u518d\u8003\u8651\u662f\u5426\u9700\u8981\u8fc1\u79fb\u5230\u66f4\u9ad8\u914d\u7f6e\u7684\u65b9\u6848\u3002\u5982\u679c\u4f60\u9700\u8981\u66f4\u5177\u4f53\u7684\u7d22\u5f15\u8c03\u4f18\u5efa\u8bae\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u5173\u4e8e<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff0c\u4e00\u79cd\u8d44\u6e90\u72ec\u7acb\u3001\u53ef\u7075\u6d3b\u6269\u5c55\u7684<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u4e91\u4e3b\u673a<\/a>\u65b9\u6848\uff09\u7684\u8bf4\u660e\uff0c\u6216\u76f4\u63a5\u8054\u7cfb Hostease \u6280\u672f\u652f\u6301\u56e2\u961f\u83b7\u53d6\u9488\u5bf9\u6027\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece B-tree \u5230 GIN\uff0c\u8be6\u89e3 PostgreSQL \u5404\u7d22\u5f15\u7c7b\u578b\u7684\u9002\u7528\u573a\u666f\u3001\u67e5\u8be2\u6a21\u5f0f\u4e0e\u9009\u62e9\u65b9\u6cd5\uff0c\u5e2e\u4f60\u907f\u514d\u7d22\u5f15\u5931\u6548\u548c\u67e5\u8be2\u53d8\u6162\u3002<\/p>\n","protected":false},"author":2,"featured_media":32865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[4960,4961,4402,4875,4962],"class_list":["post-32868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-b-tree","tag-gin","tag-postgresql","tag-4875","tag-4962"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/postgresql-b-tree-gin-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=32868"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32868\/revisions"}],"predecessor-version":[{"id":32869,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32868\/revisions\/32869"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32865"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}