{"id":160347,"date":"2024-11-03T22:21:20","date_gmt":"2024-11-03T14:21:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160347\/"},"modified":"2024-11-03T22:21:21","modified_gmt":"2024-11-03T14:21:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%a4%a7%e5%b0%8d%e8%b1%a1%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160347\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u5927\u5c0d\u8c61\u985e\u578b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%a4%a7%e5%b0%8d%e8%b1%a1%e9%a1%9e%e5%9e%8b-eyjTxEWMvx\">OceanBase \u6559\u7a0b\uff1aOceanBase \u5927\u5c0d\u8c61\u985e\u578b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u6280\u8853\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u9010\u6f38\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u4e8b\u52d9\u8655\u7406\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u5927\u5c0d\u8c61\u985e\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u53ca\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase-%e5%a4%a7%e5%b0%8d%e8%b1%a1%e9%a1%9e%e5%9e%8b%ef%bc%9f-eyjTxEWMvx\">\u4ec0\u9ebc\u662f OceanBase \u5927\u5c0d\u8c61\u985e\u578b\uff1f<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u5927\u5c0d\u8c61\u985e\u578b\uff08LOB\uff0cLarge Object\uff09\u662f\u7528\u4f86\u5b58\u5132\u5927\u91cf\u6578\u64da\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u5716\u7247\u3001\u97f3\u983b\u3001\u8996\u983b\u7b49\u5927\u578b\u6587\u4ef6\u3002\u9019\u4e9b\u5c0d\u8c61\u7684\u5927\u5c0f\u53ef\u4ee5\u8d85\u904e\u666e\u901a\u6578\u64da\u985e\u578b\u7684\u9650\u5236\uff0c\u56e0\u6b64\u5728\u8655\u7406\u5927\u6578\u64da\u6642\uff0c\u5927\u5c0d\u8c61\u985e\u578b\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%a4%a7%e5%b0%8d%e8%b1%a1%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%88%86%e9%a1%9e-eyjTxEWMvx\">\u5927\u5c0d\u8c61\u985e\u578b\u7684\u5206\u985e<\/h2>\n<p>OceanBase \u4e2d\u7684\u5927\u5c0d\u8c61\u985e\u578b\u4e3b\u8981\u5206\u70ba\u5169\u985e\uff1a<\/p>\n<ul>\n<li><strong>BLOB\uff08Binary Large Object\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5982\u5716\u7247\u3001\u97f3\u983b\u548c\u8996\u983b\u6587\u4ef6\u3002<\/li>\n<li><strong>CLOB\uff08Character Large Object\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u5b57\u7b26\u6578\u64da\uff0c\u9069\u5408\u5b58\u5132\u6587\u672c\u6587\u4ef6\u6216\u5176\u4ed6\u5b57\u7b26\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%a4%a7%e5%b0%8d%e8%b1%a1%e9%a1%9e%e5%9e%8b-eyjTxEWMvx\">\u5982\u4f55\u4f7f\u7528\u5927\u5c0d\u8c61\u985e\u578b<\/h2>\n<p>\u5728 OceanBase \u4e2d\u4f7f\u7528\u5927\u5c0d\u8c61\u985e\u578b\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u8868\uff0c\u7136\u5f8c\u5728\u8868\u4e2d\u5b9a\u7fa9\u5927\u5c0d\u8c61\u985e\u578b\u7684\u5b57\u6bb5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE media_files (\n    id INT PRIMARY KEY,\n    file_name VARCHAR(255),\n    file_data BLOB\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>media_files<\/code> \u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u500b <code>BLOB<\/code> \u985e\u578b\u7684\u5b57\u6bb5 <code>file_data<\/code>\uff0c\u7528\u65bc\u5b58\u5132\u5a92\u9ad4\u6587\u4ef6\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e5%a4%a7%e5%b0%8d%e8%b1%a1%e6%95%b8%e6%93%9a-eyjTxEWMvx\">\u63d2\u5165\u5927\u5c0d\u8c61\u6578\u64da<\/h2>\n<p>\u63d2\u5165\u5927\u5c0d\u8c61\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>INSERT<\/code> \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u63d2\u5165 BLOB \u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO media_files (id, file_name, file_data) \nVALUES (1, 'example.jpg', LOAD_FILE('\/path\/to\/example.jpg'));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>LOAD_FILE<\/code> \u51fd\u6578\u5c07\u6307\u5b9a\u8def\u5f91\u7684\u6587\u4ef6\u52a0\u8f09\u5230 <code>file_data<\/code> \u5b57\u6bb5\u4e2d\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%a4%a7%e5%b0%8d%e8%b1%a1%e6%95%b8%e6%93%9a-eyjTxEWMvx\">\u67e5\u8a62\u5927\u5c0d\u8c61\u6578\u64da<\/h2>\n<p>\u67e5\u8a62\u5927\u5c0d\u8c61\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62 BLOB \u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT file_name, file_data FROM media_files WHERE id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6307\u5b9a ID \u7684\u5a92\u9ad4\u6587\u4ef6\u540d\u7a31\u53ca\u5176\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-eyjTxEWMvx\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 OceanBase \u7684\u5927\u5c0d\u8c61\u985e\u578b\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5927\u5c0d\u8c61\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8a2d\u8a08\u3002<\/li>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u914d\u7f6e\u80fd\u5920\u652f\u6301\u5927\u5c0d\u8c61\u7684\u5b58\u5132\uff0c\u7279\u5225\u662f\u5728\u5b58\u5132\u7a7a\u9593\u548c I\/O \u6027\u80fd\u65b9\u9762\u3002<\/li>\n<li>\u5728\u8655\u7406\u5927\u5c0d\u8c61\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u6d41\u5f0f\u8655\u7406\uff0c\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eyjTxEWMvx\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684\u5927\u5c0d\u8c61\u985e\u578b\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6587\u4ef6\u6642\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63ee OceanBase \u7684\u6027\u80fd\u512a\u52e2\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u5927\u5c0d\u8c61\u985e\u578b\u7684\u6559\u7a0b\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u4f7f\u7528\u5927\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u9748\u6d3b\u6027\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-160347","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160347","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=160347"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160347\/revisions"}],"predecessor-version":[{"id":160348,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160347\/revisions\/160348"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}