{"id":60420,"date":"2025-12-08T13:42:28","date_gmt":"2025-12-08T05:42:28","guid":{"rendered":"https:\/\/www.kdjingpai.com\/?p=60420"},"modified":"2025-12-08T13:42:28","modified_gmt":"2025-12-08T05:42:28","slug":"oceanbase-seekdb","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/de\/oceanbase-seekdb\/","title":{"rendered":"OceanBase SeekDB\uff1a\u652f\u6301SQL\u4e0e\u5411\u91cf\u6df7\u5408\u68c0\u7d22\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5f15\u64ce"},"content":{"rendered":"<p>OceanBase SeekDB \u662f OceanBase \u6570\u636e\u5e93\u6838\u5fc3\u7ec4\u4ef6\u4e2d\u4e13\u4e3a AI \u65f6\u4ee3\u6253\u9020\u7684\u5411\u91cf\u68c0\u7d22\u5f15\u64ce\u3002\u5b83\u5e76\u975e\u4e00\u4e2a\u72ec\u7acb\u7684\u3001\u9700\u8981\u5355\u72ec\u8fd0\u7ef4\u7684\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u800c\u662f\u5c06\u5411\u91cf\u6570\u636e\u5e93\u7684\u80fd\u529b\u5b8c\u5168\u5185\u5d4c\u4e8e\u6210\u719f\u7684\u5206\u5e03\u5f0f\u5173\u7cfb\u578b\u6570\u636e\u5e93 OceanBase \u4e4b\u4e2d\u3002\u4ece\u7b2c\u4e00\u6027\u539f\u5219\u6765\u770b\uff0cSeekDB \u7684\u672c\u8d28\u662f\u8ba9\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5177\u5907\u4e86\u201c\u7406\u89e3\u201d\u975e\u7ed3\u6784\u5316\u6570\u636e\uff08\u5982\u6587\u672c\u3001\u56fe\u50cf\u3001\u97f3\u9891\u751f\u6210\u7684\u5411\u91cf\uff09\u7684\u80fd\u529b\u3002\u5b83\u89e3\u51b3\u4e86\u4f20\u7edf AI \u5e94\u7528\u67b6\u6784\u4e2d\u201c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5b58\u50a8\u4e1a\u52a1\u6570\u636e\u201d\u4e0e\u201c\u4e13\u7528\u5411\u91cf\u6570\u636e\u5e93\u5b58\u50a8\u7279\u5f81\u6570\u636e\u201d\u5206\u79bb\u6240\u5e26\u6765\u7684\u6570\u636e\u5272\u88c2\u3001\u6570\u636e\u540c\u6b65\u5ef6\u8fdf\u548c\u8fd0\u7ef4\u590d\u6742\u7b49\u75db\u70b9\u3002\u7528\u6237\u65e0\u9700\u5f15\u5165\u65b0\u7684\u6280\u672f\u6808\uff0c\u4ec5\u9700\u4f7f\u7528\u6807\u51c6\u7684 SQL \u8bed\u8a00\uff0c\u5373\u53ef\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u4e2d\u540c\u65f6\u5b8c\u6210\u5bf9\u4e1a\u52a1\u5b57\u6bb5\uff08\u6807\u91cf\uff09\u7684\u7cbe\u786e\u8fc7\u6ee4\u548c\u5bf9\u5411\u91cf\u5b57\u6bb5\u7684\u8bed\u4e49\u76f8\u4f3c\u5ea6\u68c0\u7d22\u3002SeekDB \u57fa\u4e8e OceanBase \u7684\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u7ee7\u627f\u4e86\u5176\u9ad8\u53ef\u7528\u3001\u5f3a\u4e00\u81f4\u6027\u548c\u6c34\u5e73\u6269\u5c55\u80fd\u529b\uff0c\u652f\u6301\u6700\u9ad8 16,000 \u7ef4\u5ea6\u7684\u5411\u91cf\u5b58\u50a8\uff0c\u63d0\u4f9b HNSW \u548c IVF \u7b49\u9ad8\u6027\u80fd\u7d22\u5f15\u7b97\u6cd5\uff0c\u80fd\u591f\u4ee5\u6781\u4f4e\u7684\u5ef6\u8fdf\u5728\u6d77\u91cf\u6570\u636e\u4e2d\u5b8c\u6210 Top-K \u67e5\u8be2\uff0c\u662f\u6784\u5efa RAG\uff08\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff09\u3001\u63a8\u8350\u7cfb\u7edf\u548c\u591a\u6a21\u6001\u641c\u7d22\u5e94\u7528\u7684\u7406\u60f3\u6570\u636e\u5e95\u5ea7\u3002<\/p>\n<h2>\u529f\u80fd\u5217\u8868<\/h2>\n<ul>\n<li><strong>\u539f\u751f\u5411\u91cf\u6570\u636e\u7c7b\u578b\u652f\u6301<\/strong>\uff1a\u5728\u6570\u636e\u5e93\u8868\u7ed3\u6784\u4e2d\u76f4\u63a5\u5b9a\u4e49\u00a0<code>VECTOR<\/code>\u00a0\u7c7b\u578b\u5b57\u6bb5\uff0c\u652f\u6301\u9ad8\u8fbe 16,000 \u7ef4\u5ea6\u7684\u7a20\u5bc6\u5411\u91cf\u5b58\u50a8\uff0c\u4e0e\u00a0<code>INT<\/code>\u3001<code>VARCHAR<\/code>\u00a0\u7b49\u4f20\u7edf\u6570\u636e\u7c7b\u578b\u5171\u5b58\u3002<\/li>\n<li><strong>\u9ad8\u6027\u80fd\u5411\u91cf\u7d22\u5f15<\/strong>\uff1a\u5185\u7f6e HNSW\uff08\u5206\u5c42\u5bfc\u822a\u5c0f\u4e16\u754c\uff09\u548c IVF\uff08\u5012\u6392\u6587\u4ef6\uff09\u7b49\u4e1a\u754c\u9886\u5148\u7684\u7d22\u5f15\u7b97\u6cd5\uff0c\u652f\u6301 L2\uff08\u6b27\u6c0f\u8ddd\u79bb\uff09\u3001Inner Product\uff08\u5185\u79ef\uff09\u548c Cosine\uff08\u4f59\u5f26\u76f8\u4f3c\u5ea6\uff09\u7b49\u591a\u79cd\u8ddd\u79bb\u8ba1\u7b97\u516c\u5f0f\uff0c\u786e\u4fdd\u68c0\u7d22\u7684\u9ad8\u53ec\u56de\u7387\u4e0e\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li><strong>SQL+AI \u6df7\u5408\u68c0\u7d22<\/strong>\uff1a\u652f\u6301\u5728\u4e00\u6761 SQL \u8bed\u53e5\u4e2d\u540c\u65f6\u5305\u542b\u00a0<code>WHERE<\/code>\u00a0\u5b50\u53e5\u7684\u6807\u91cf\u8fc7\u6ee4\uff08\u4f8b\u5982\uff1a\u4ef7\u683c\u533a\u95f4\u3001\u5546\u54c1\u7c7b\u522b\uff09\u548c\u00a0<code>ORDER BY<\/code>\u00a0\u7684\u5411\u91cf\u76f8\u4f3c\u5ea6\u6392\u5e8f\uff0c\u6570\u636e\u5e93\u5185\u6838\u81ea\u52a8\u4f18\u5316\u6267\u884c\u8ba1\u5212\uff0c\u907f\u514d\u4e86\u5e94\u7528\u5c42\u591a\u6b21\u4ea4\u4e92\u3002<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u6c34\u5e73\u6269\u5c55<\/strong>\uff1a\u4f9d\u6258 OceanBase \u7684\u539f\u751f\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u5411\u91cf\u6570\u636e\u53ef\u4ee5\u968f\u5206\u7247\u81ea\u52a8\u5206\u5e03\u5230\u591a\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u901a\u8fc7\u589e\u52a0\u8282\u70b9\u5373\u53ef\u7ebf\u6027\u63d0\u5347\u5b58\u50a8\u5bb9\u91cf\u548c\u68c0\u7d22\u6027\u80fd\uff0c\u8f7b\u677e\u5e94\u5bf9\u767e\u4ebf\u7ea7\u5411\u91cf\u89c4\u6a21\u3002<\/li>\n<li><strong>\u5b8c\u5168\u517c\u5bb9 MySQL \u534f\u8bae<\/strong>\uff1a\u65e0\u9700\u5b66\u4e60\u4e13\u7528\u7684\u5411\u91cf\u6570\u636e\u5e93 API\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u652f\u6301 MySQL \u534f\u8bae\u7684\u5ba2\u6237\u7aef\uff08\u5982 JDBC\u3001PyMySQL\uff09\u6216 ORM \u6846\u67b6\u76f4\u63a5\u64cd\u4f5c\u5411\u91cf\u6570\u636e\u3002<\/li>\n<li><strong>\u65e0\u7f1d\u96c6\u6210 AI \u751f\u6001<\/strong>\uff1a\u6df1\u5ea6\u9002\u914d LangChain\u3001LlamaIndex\u3001DB-GPT \u7b49\u4e3b\u6d41 AI \u5f00\u53d1\u6846\u67b6\uff0c\u63d0\u4f9b Python SDK\uff0c\u8ba9\u5f00\u53d1\u8005\u80fd\u5feb\u901f\u5c06 OceanBase \u63a5\u5165\u5927\u6a21\u578b\u5e94\u7528\u7684\u6570\u636e\u94fe\u8def\u4e2d\u3002<\/li>\n<\/ul>\n<h2>\u4f7f\u7528\u5e2e\u52a9<\/h2>\n<p>OceanBase SeekDB \u7684\u4f7f\u7528\u4f53\u9a8c\u8bbe\u8ba1\u5f97\u975e\u5e38\u63a5\u8fd1\u4f20\u7edf\u7684 MySQL \u6570\u636e\u5e93\uff0c\u6838\u5fc3\u5dee\u5f02\u5728\u4e8e\u5bf9\u5411\u91cf\u6570\u636e\u7684\u5b9a\u4e49\u548c\u7d22\u5f15\u64cd\u4f5c\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4ece\u73af\u5883\u51c6\u5907\u5230\u5b8c\u6210\u4e00\u6b21\u6df7\u5408\u68c0\u7d22\u7684\u5b8c\u6574\u6d41\u7a0b\u3002<\/p>\n<h3>1. \u73af\u5883\u51c6\u5907\u4e0e\u5b89\u88c5<\/h3>\n<p>SeekDB \u7684\u80fd\u529b\u5305\u542b\u5728 OceanBase 4.3.3 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u6700\u5feb\u4e0a\u624b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 Docker \u5bb9\u5668\u90e8\u7f72\u5355\u673a\u7248 OceanBase\u3002<\/p>\n<p><strong>\u6b65\u9aa4\u4e00\uff1a\u542f\u52a8 OceanBase \u5bb9\u5668<\/strong><br \/>\n\u8bf7\u786e\u4fdd\u4f60\u7684\u673a\u5668\u5b89\u88c5\u4e86 Docker\uff0c\u5e76\u4e14\u5206\u914d\u4e86\u81f3\u5c11 8GB \u7684\u5185\u5b58\uff08\u5411\u91cf\u8ba1\u7b97\u5bf9\u5185\u5b58\u6709\u4e00\u5b9a\u8981\u6c42\uff09\u3002\u5728\u7ec8\u7aef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u62c9\u53d6\u5e76\u542f\u52a8\u6700\u65b0\u7248\u672c\u7684\u955c\u50cf\uff1a<\/p>\n<pre><code>docker run -p 2881:2881 --name oceanbase-ce -e MINI_MODE=1 -d oceanbase\/oceanbase-ce:latest\r\n<\/code><\/pre>\n<p><em>\u6ce8\uff1a<code>MINI_MODE=1<\/code>\u00a0\u53c2\u6570\u7528\u4e8e\u5728\u8d44\u6e90\u53d7\u9650\u7684\u4e2a\u4eba\u7535\u8111\u4e0a\u4ee5\u6700\u5c0f\u6a21\u5f0f\u542f\u52a8\u3002<\/em><\/p>\n<p><strong>\u6b65\u9aa4\u4e8c\uff1a\u8fde\u63a5\u6570\u636e\u5e93<\/strong><br \/>\n\u5bb9\u5668\u542f\u52a8\u5b8c\u6210\u540e\uff08\u901a\u5e38\u9700\u8981 1-2 \u5206\u949f\u521d\u59cb\u5316\uff09\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f MySQL \u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u8fd9\u91cc\u4ee5\u547d\u4ee4\u884c MySQL \u5ba2\u6237\u7aef\u4e3a\u4f8b\uff1a<\/p>\n<pre><code># \u8fdb\u5165\u5bb9\u5668\u5185\u90e8\r\ndocker exec -it oceanbase-ce bash\r\n# \u8fde\u63a5\u6570\u636e\u5e93\uff08\u9ed8\u8ba4\u65e0\u5bc6\u7801\uff0c\u7aef\u53e32881\uff09\r\nobclient -h127.0.0.1 -P2881 -uroot@test\r\n<\/code><\/pre>\n<p><em>\u6ce8\uff1a\u751f\u4ea7\u73af\u5883\u4e2d\u5efa\u8bae\u521b\u5efa\u975e root \u7528\u6237\u5e76\u8bbe\u7f6e\u5f3a\u5bc6\u7801\u3002<\/em><\/p>\n<h3>2. \u5411\u91cf\u8868\u7684\u64cd\u4f5c\u6d41\u7a0b<\/h3>\n<p>\u6211\u4eec\u5c06\u6a21\u62df\u4e00\u4e2a\u201c\u56fe\u4e66\u63a8\u8350\u7cfb\u7edf\u201d\u7684\u573a\u666f\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u56fe\u4e66\u57fa\u672c\u4fe1\u606f\uff08\u6807\u9898\u3001\u4ef7\u683c\uff09\u548c\u56fe\u4e66\u7b80\u4ecb\u5411\u91cf\u7279\u5f81\u7684\u8868\u3002<\/p>\n<p><strong>\u6b65\u9aa4\u4e00\uff1a\u521b\u5efa\u652f\u6301\u5411\u91cf\u7684\u8868<\/strong><br \/>\n\u5728\u521b\u5efa\u8868\u65f6\uff0c\u4f7f\u7528\u00a0<code>VECTOR(&lt;\u7ef4\u5ea6&gt;)<\/code>\u00a0\u8bed\u6cd5\u5b9a\u4e49\u5411\u91cf\u5217\u3002\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5b58\u50a8 3 \u7ef4\u5411\u91cf\uff08\u5b9e\u9645\u573a\u666f\u901a\u5e38\u4e3a 768 \u6216 1536 \u7ef4\uff09\uff1a<\/p>\n<pre><code>CREATE TABLE books (\r\nid INT PRIMARY KEY AUTO_INCREMENT,\r\ntitle VARCHAR(100),\r\ncategory VARCHAR(50),\r\nprice DECIMAL(10, 2),\r\nembedding VECTOR(3)  -- \u5b9a\u4e49\u4e00\u4e2a3\u7ef4\u7684\u5411\u91cf\u5217\r\n);\r\n<\/code><\/pre>\n<p><strong>\u6b65\u9aa4\u4e8c\uff1a\u63d2\u5165\u6570\u636e<\/strong><br \/>\n\u63d2\u5165\u5411\u91cf\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u00a0<code>[v1, v2, v3, ...]<\/code>\u00a0\u8868\u793a\u5411\u91cf\u3002<\/p>\n<pre><code>INSERT INTO books (title, category, price, embedding) VALUES \r\n('Python\u6df1\u5ea6\u5b66\u4e60', 'Tech', 59.90, '[0.1, 0.2, 0.8]'),\r\n('\u5982\u679c\u662f\u666e\u901a\u7684\u4e66', 'Fiction', 29.90, '[0.8, 0.1, 0.1]'),\r\n('\u6570\u636e\u5e93\u5185\u90e8\u539f\u7406', 'Tech', 89.00, '[0.2, 0.2, 0.9]'),\r\n('\u70f9\u996a\u5927\u5168', 'Life', 45.00, '[0.1, 0.9, 0.1]');\r\n<\/code><\/pre>\n<h3>3. \u521b\u5efa\u5411\u91cf\u7d22\u5f15<\/h3>\n<p>\u4e3a\u4e86\u52a0\u901f\u68c0\u7d22\uff0c\u5fc5\u987b\u5728\u5411\u91cf\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002SeekDB \u652f\u6301\u521b\u5efa IVFFLAT \u6216 HNSW \u7d22\u5f15\u3002<\/p>\n<p><strong>\u53c2\u6570\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li><code>distance<\/code>: \u8ddd\u79bb\u5ea6\u91cf\u65b9\u5f0f\uff0c\u53ef\u9009\u00a0<code>l2<\/code>\u00a0(\u6b27\u6c0f\u8ddd\u79bb),\u00a0<code>inner_product<\/code>\u00a0(\u5185\u79ef),\u00a0<code>cosine<\/code>\u00a0(\u4f59\u5f26)\u3002<\/li>\n<li><code>type<\/code>: \u7d22\u5f15\u7b97\u6cd5\u7c7b\u578b\uff0c\u63a8\u8350\u00a0<code>hnsw<\/code>\u3002<\/li>\n<li><code>lib<\/code>: \u5411\u91cf\u5e93\u5b9e\u73b0\uff0c\u9ed8\u8ba4\u4e3a\u00a0<code>vsag<\/code>\u3002<\/li>\n<\/ul>\n<pre><code>-- \u521b\u5efa\u4e00\u4e2a\u57fa\u4e8e HNSW \u7b97\u6cd5\u7684\u7d22\u5f15\uff0c\u4f7f\u7528 L2 \u8ddd\u79bb\r\nCREATE INDEX idx_book_embedding ON books(embedding) \r\nUSING VECTOR \r\nWITH (distance=l2, type=hnsw, lib=vsag);\r\n<\/code><\/pre>\n<p><em>\u6ce8\u610f\uff1a\u5411\u91cf\u7d22\u5f15\u7684\u6784\u5efa\u53ef\u80fd\u9700\u8981\u6d88\u8017\u4e00\u5b9a\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u6784\u5efa\u901f\u5ea6\u53d6\u51b3\u4e8e\u6570\u636e\u91cf\u5927\u5c0f\u3002<\/em><\/p>\n<h3>4. \u6267\u884c\u6df7\u5408\u68c0\u7d22\uff08Hybrid Search\uff09<\/h3>\n<p>\u8fd9\u662f SeekDB \u6700\u5f3a\u5927\u7684\u529f\u80fd\u70b9\u3002\u5047\u8bbe\u6211\u4eec\u8981\u5bfb\u627e\u201c\u5185\u5bb9\u4e0e\u8ba1\u7b97\u673a\u6280\u672f\u76f8\u5173\uff08\u5411\u91cf\u63a5\u8fd1\u00a0<code>[0.15, 0.2, 0.85]<\/code>\uff09\uff0c\u4e14\u4ef7\u683c\u4f4e\u4e8e 100 \u5143\u201d\u7684\u56fe\u4e66\u3002<\/p>\n<p><strong>SQL \u8bed\u53e5\u7f16\u5199\uff1a<\/strong><br \/>\n\u4f7f\u7528\u00a0<code>l2_distance<\/code>\u00a0\u51fd\u6570\u8ba1\u7b97\u8ddd\u79bb\uff0c\u7ed3\u5408\u00a0<code>WHERE<\/code>\u00a0\u5b50\u53e5\u8fc7\u6ee4\u4ef7\u683c\u3002<\/p>\n<pre><code>SELECT title, price, l2_distance(embedding, '[0.15, 0.2, 0.85]') as distance\r\nFROM books\r\nWHERE price &lt; 100 AND category = 'Tech'  -- \u6807\u91cf\u8fc7\u6ee4\u6761\u4ef6\r\nORDER BY distance ASC                    -- \u6309\u76f8\u4f3c\u5ea6\u6392\u5e8f\uff08\u8ddd\u79bb\u8d8a\u5c0f\u8d8a\u76f8\u4f3c\uff09\r\nLIMIT 5;\r\n<\/code><\/pre>\n<p><strong>\u6267\u884c\u7ed3\u679c\u89e3\u8bfb\uff1a<\/strong><br \/>\n\u6570\u636e\u5e93\u5f15\u64ce\u4f1a\u5148\u901a\u8fc7\u6807\u91cf\u7d22\u5f15\u5feb\u901f\u7b5b\u9009\u51fa\u00a0<code>price &lt; 100<\/code>\u00a0\u548c\u00a0<code>category = 'Tech'<\/code>\u00a0\u7684\u5019\u9009\u96c6\uff0c\u6216\u8005\u662f\u5229\u7528\u5411\u91cf\u7d22\u5f15\u627e\u5230\u8fd1\u4f3c\u7ed3\u679c\u540e\u518d\u8fc7\u6ee4\uff08\u5177\u4f53\u53d6\u51b3\u4e8e\u4f18\u5316\u5668\u7684\u4ee3\u4ef7\u4f30\u7b97\uff09\u3002\u7528\u6237\u65e0\u9700\u624b\u52a8\u7f16\u5199\u590d\u6742\u7684\u201c\u5148\u8fc7\u6ee4\u540e\u6392\u5e8f\u201d\u903b\u8f91\u3002<\/p>\n<h3>5. \u5728 Python \u4e2d\u4f7f\u7528<\/h3>\n<p>\u5728\u5b9e\u9645\u5f00\u53d1 AI \u5e94\u7528\u65f6\uff0c\u901a\u5e38\u4f7f\u7528 Python\u3002\u4ee5\u4e0b\u662f\u7ed3\u5408\u00a0<code>PyMySQL<\/code>\u00a0\u7684\u5b8c\u6574\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code>import pymysql\r\nimport json\r\n# 1. \u5efa\u7acb\u8fde\u63a5\r\nconn = pymysql.connect(\r\nhost='127.0.0.1', \r\nport=2881, \r\nuser='root@test', \r\npassword='', \r\ndatabase='test',\r\nautocommit=True\r\n)\r\n<a href=\"https:\/\/www.kdjingpai.com\/en\/cursoryuaigongtong\/\">cursor<\/a> = conn.cursor()\r\n# 2. \u51c6\u5907\u67e5\u8be2\u5411\u91cf\uff08\u6a21\u62df\u6765\u81ea Embedding \u6a21\u578b\u7684\u7ed3\u679c\uff09\r\nquery_vector = [0.15, 0.2, 0.85]\r\nquery_vector_str = json.dumps(query_vector)\r\n# 3. \u6267\u884c\u6df7\u5408\u68c0\u7d22 SQL\r\nsql = \"\"\"\r\nSELECT title, l2_distance(embedding, %s) as dist\r\nFROM books\r\nWHERE category = 'Tech'\r\nORDER BY dist ASC\r\nLIMIT 3\r\n\"\"\"\r\ncursor.execute(sql, (query_vector_str,))\r\nresults = cursor.fetchall()\r\n# 4. \u8f93\u51fa\u7ed3\u679c\r\nprint(\"\u63a8\u8350\u56fe\u4e66:\")\r\nfor row in results:\r\nprint(f\"\u4e66\u540d: {row[0]}, \u8ddd\u79bb: {row[1]}\")\r\ncursor.close()\r\nconn.close()\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u6d41\u7a0b\uff0c\u4f60\u5df2\u7ecf\u6210\u529f\u5728 OceanBase \u4e2d\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8e\u5411\u91cf\u7684\u8bed\u4e49\u641c\u7d22\u529f\u80fd\uff0c\u6574\u4e2a\u8fc7\u7a0b\u65e0\u9700\u4efb\u4f55\u5916\u90e8\u5411\u91cf\u6570\u636e\u5e93\u53c2\u4e0e\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f<\/h2>\n<ol>\n<li><strong>\u4f01\u4e1a\u79c1\u6709\u77e5\u8bc6\u5e93\u95ee\u7b54\uff08RAG\uff09<\/strong><br \/>\n\u4f01\u4e1a\u5c06\u5185\u90e8\u6587\u6863\uff08PDF\u3001Wiki\u3001\u4ee3\u7801\u5e93\uff09\u5207\u7247\u5e76\u8f6c\u5316\u4e3a\u5411\u91cf\u5b58\u50a8\u5728 OceanBase \u4e2d\u3002\u5f53\u5458\u5de5\u63d0\u95ee\u65f6\uff0c\u7cfb\u7edf\u5c06\u95ee\u9898\u5411\u91cf\u5316\uff0c\u5728\u6570\u636e\u5e93\u4e2d\u901a\u8fc7\u5411\u91cf\u68c0\u7d22\u53ec\u56de\u6700\u76f8\u5173\u7684\u6587\u6863\u7247\u6bb5\uff0c\u7ed3\u5408 LLM \u751f\u6210\u7cbe\u51c6\u7b54\u6848\u3002\u4f18\u52bf\u5728\u4e8e\u6570\u636e\u4e0d\u51fa\u5e93\uff0c\u6743\u9650\u7ba1\u7406\u76f4\u63a5\u590d\u7528\u6570\u636e\u5e93\u7684 ACL \u673a\u5236\uff0c\u4fdd\u969c\u4e86\u4f01\u4e1a\u6570\u636e\u5b89\u5168\u3002<\/li>\n<li><strong>\u591a\u6a21\u6001\u4ee5\u56fe\u641c\u56fe<\/strong><br \/>\n\u5728\u7535\u5546\u5e73\u53f0\u573a\u666f\u4e2d\uff0c\u5c06\u5546\u54c1\u7684\u56fe\u7247\u7279\u5f81\u63d0\u53d6\u4e3a\u5411\u91cf\u5b58\u5165\u6570\u636e\u5e93\u3002\u7528\u6237\u4e0a\u4f20\u4e00\u5f20\u56fe\u7247\uff0c\u7cfb\u7edf\u901a\u8fc7 SeekDB \u5feb\u901f\u68c0\u7d22\u51fa\u89c6\u89c9\u7279\u5f81\u76f8\u4f3c\u7684\u5546\u54c1\u3002\u7ed3\u5408 SQL \u7684\u6807\u91cf\u80fd\u529b\uff0c\u8fd8\u53ef\u4ee5\u8f7b\u677e\u53e0\u52a0\u201c\u53ea\u770b\u6709\u8d27\u201d\u3001\u201c\u4ef7\u683c\u5728 50-100 \u5143\u4e4b\u95f4\u201d\u7b49\u4e1a\u52a1\u7b5b\u9009\u6761\u4ef6\uff0c\u63d0\u4f9b\u7cbe\u51c6\u7684\u5bfc\u8d2d\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u4e2a\u6027\u5316\u63a8\u8350\u7cfb\u7edf<\/strong><br \/>\n\u5229\u7528\u7528\u6237\u7684\u6d4f\u89c8\u5386\u53f2\u548c\u884c\u4e3a\u6570\u636e\u751f\u6210\u7528\u6237\u753b\u50cf\u5411\u91cf\uff0c\u4e0e\u5185\u5bb9\u5e93\uff08\u6587\u7ae0\u3001\u89c6\u9891\uff09\u7684\u5411\u91cf\u8fdb\u884c\u5339\u914d\u3002SeekDB \u53ef\u4ee5\u5728\u6beb\u79d2\u7ea7\u65f6\u95f4\u5185\u4ece\u767e\u4e07\u7ea7\u5185\u5bb9\u4e2d\u7b5b\u9009\u51fa\u4e0e\u7528\u6237\u5174\u8da3\u5411\u91cf\u8ddd\u79bb\u6700\u8fd1\u7684\u6761\u76ee\uff0c\u5b9e\u73b0\u5b9e\u65f6\u7684\u201c\u731c\u4f60\u559c\u6b22\u201d\u529f\u80fd\uff0c\u63d0\u5347\u7528\u6237\u7559\u5b58\u7387\u3002<\/li>\n<\/ol>\n<h2>QA<\/h2>\n<ol>\n<li><strong>\u4e3a\u4ec0\u4e48\u9009\u62e9\u4f7f\u7528 OceanBase SeekDB \u800c\u4e0d\u662f\u4e13\u95e8\u7684\u5411\u91cf\u6570\u636e\u5e93\uff08\u5982 Milvus, Pinecone\uff09\uff1f<\/strong><br \/>\n\u4e13\u95e8\u7684\u5411\u91cf\u6570\u636e\u5e93\u901a\u5e38\u9700\u8981\u72ec\u7acb\u90e8\u7f72\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u9700\u8981\u7ef4\u62a4\u4e24\u5957\u6570\u636e\u7cfb\u7edf\uff08\u5173\u7cfb\u578b DB + \u5411\u91cf DB\uff09\uff0c\u4e0d\u4ec5\u589e\u52a0\u4e86\u8fd0\u7ef4\u6210\u672c\uff0c\u8fd8\u9762\u4e34\u6570\u636e\u540c\u6b65\u7684\u4e00\u81f4\u6027\u96be\u9898\u3002SeekDB \u5b9e\u73b0\u4e86\u201c\u4e00\u4f53\u5316\u201d\uff0c\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u5185\u6838\u4e2d\u5904\u7406\u4e8b\u52a1\u3001\u5206\u6790\u548c\u5411\u91cf\u68c0\u7d22\uff0c\u5927\u5e45\u7b80\u5316\u4e86 AI \u5e94\u7528\u7684\u6280\u672f\u67b6\u6784\uff0c\u4e14\u76f4\u63a5\u7ee7\u627f\u4e86 OceanBase \u7684\u91d1\u878d\u7ea7\u9ad8\u53ef\u7528\u80fd\u529b\u3002<\/li>\n<li><strong>SeekDB \u652f\u6301\u54ea\u4e9b\u7d22\u5f15\u7c7b\u578b\uff1f\u6027\u80fd\u5982\u4f55\uff1f<\/strong><br \/>\n\u76ee\u524d\u4e3b\u8981\u652f\u6301 HNSW\uff08\u9002\u5408\u5bf9\u6027\u80fd\u8981\u6c42\u9ad8\u3001\u5185\u5b58\u5145\u8db3\u7684\u573a\u666f\uff09\u548c IVF\uff08\u9002\u5408\u6570\u636e\u91cf\u6781\u5927\u3001\u5bf9\u5185\u5b58\u654f\u611f\u7684\u573a\u666f\uff09\u7cfb\u5217\u7d22\u5f15\u3002\u5728\u6807\u51c6\u7684 ANN Benchmarks \u6d4b\u8bd5\u4e2d\uff0cOceanBase \u7684\u5411\u91cf\u68c0\u7d22\u5f15\u64ce\u5728\u5343\u4e07\u7ea7\u6570\u636e\u89c4\u6a21\u4e0b\u7684 QPS \u548c\u53ec\u56de\u7387\u8868\u73b0\u4f18\u5f02\uff0c\u80fd\u591f\u6ee1\u8db3\u7edd\u5927\u591a\u6570\u5728\u7ebf\u63a8\u7406\u4e1a\u52a1\u7684\u5b9e\u65f6\u6027\u9700\u6c42\uff08\u901a\u5e38\u5728 10ms-50ms \u7ea7\u522b\uff09\u3002<\/li>\n<li><strong>\u73b0\u6709\u7684\u8868\u53ef\u4ee5\u589e\u52a0\u5411\u91cf\u5217\u5417\uff1f<\/strong><br \/>\n\u53ef\u4ee5\u3002\u4f60\u53ef\u4ee5\u50cf\u64cd\u4f5c\u666e\u901a\u5217\u4e00\u6837\uff0c\u4f7f\u7528\u00a0<code>ALTER TABLE<\/code>\u00a0\u8bed\u53e5\u4e3a\u73b0\u6709\u7684\u4e1a\u52a1\u8868\u6dfb\u52a0\u00a0<code>VECTOR<\/code>\u00a0\u7c7b\u578b\u7684\u5217\uff0c\u5e76\u5728\u8be5\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u8fd9\u4f7f\u5f97\u5bf9\u65e7\u7cfb\u7edf\u7684 AI \u667a\u80fd\u5316\u6539\u9020\u53d8\u5f97\u975e\u5e38\u5e73\u6ed1\uff0c\u65e0\u9700\u8fc1\u79fb\u6570\u636e\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>OceanBase SeekDB \u662f OceanBase \u6570\u636e\u5e93\u6838\u5fc3\u7ec4\u4ef6\u4e2d\u4e13\u4e3a AI \u65f6\u4ee3\u6253\u9020\u7684\u5411\u91cf\u68c0\u7d22\u5f15\u64ce\u3002\u5b83\u5e76\u975e\u4e00\u4e2a\u72ec\u7acb\u7684\u3001\u9700\u8981\u5355\u72ec\u8fd0\u7ef4\u7684\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u800c\u662f\u5c06\u5411\u91cf\u6570\u636e\u5e93\u7684\u80fd\u529b\u5b8c\u5168\u5185\u5d4c\u4e8e\u6210\u719f\u7684\u5206\u5e03\u5f0f\u5173\u7cfb\u578b\u6570\u636e\u5e93 OceanBase \u4e4b\u4e2d\u3002\u4ece&#8230;<\/p>\n","protected":false},"author":1,"featured_media":32782,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[496,20],"tags":[230],"class_list":["post-60420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-basic-services","category-tool","tag-aikaiyuanxiangmu"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts\/60420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/comments?post=60420"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/posts\/60420\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/media\/32782"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/media?parent=60420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/categories?post=60420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/de\/wp-json\/wp\/v2\/tags?post=60420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}