{"id":160169,"date":"2024-11-03T20:51:22","date_gmt":"2024-11-03T12:51:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160169\/"},"modified":"2024-11-03T20:51:23","modified_gmt":"2024-11-03T12:51:23","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-lob-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160169\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase LOB \u6578\u64da\u985e\u578b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-lob-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jiqqfbzktU\">OceanBase \u6559\u7a0b\uff1aOceanBase LOB \u6578\u64da\u985e\u578b<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 LOB\uff08Large Object\uff09\u6578\u64da\u985e\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u53ca\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-lob-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%ef%bc%9f-jiqqfbzktU\">\u4ec0\u9ebc\u662f LOB \u6578\u64da\u985e\u578b\uff1f<\/h2>\n<p>LOB \u6578\u64da\u985e\u578b\u662f\u7528\u65bc\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\u548c\u5176\u4ed6\u5927\u578b\u6587\u4ef6\u3002\u5728 OceanBase \u4e2d\uff0cLOB \u6578\u64da\u985e\u578b\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\uff1aBLOB\uff08Binary Large Object\uff09\u548c CLOB\uff08Character Large Object\uff09\u3002<\/p>\n<ul>\n<li><strong>BLOB\uff1a<\/strong>\u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5982\u5716\u7247\u548c\u97f3\u983b\u6587\u4ef6\u3002<\/li>\n<li><strong>CLOB\uff1a<\/strong>\u7528\u65bc\u5b58\u5132\u5b57\u7b26\u6578\u64da\uff0c\u5982\u6587\u672c\u6587\u4ef6\u548c\u6587\u6a94\u3002<\/li>\n<\/ul>\n<h2 id=\"oceanbase-%e4%b8%ad%e7%9a%84-lob-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%89%b9%e6%80%a7-jiqqfbzktU\">OceanBase \u4e2d\u7684 LOB \u6578\u64da\u985e\u578b\u7279\u6027<\/h2>\n<p>OceanBase \u7684 LOB \u6578\u64da\u985e\u578b\u5177\u6709\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u5b58\u5132\uff1a<\/strong>OceanBase \u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u548c\u6aa2\u7d22 LOB \u6578\u64da\uff0c\u652f\u6301\u5927\u5bb9\u91cf\u6578\u64da\u7684\u8655\u7406\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u67b6\u69cb\uff1a<\/strong>\u4f5c\u70ba\u4e00\u500b\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0cOceanBase \u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u6563\u5b58\u5132 LOB \u6578\u64da\uff0c\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u652f\u6301\uff1a<\/strong>OceanBase \u652f\u6301\u5c0d LOB \u6578\u64da\u7684\u4e8b\u52d9\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-oceanbase-%e4%b8%ad%e4%bd%bf%e7%94%a8-lob-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jiqqfbzktU\">\u5982\u4f55\u5728 OceanBase \u4e2d\u4f7f\u7528 LOB \u6578\u64da\u985e\u578b<\/h2>\n<p>\u5728 OceanBase \u4e2d\u4f7f\u7528 LOB \u6578\u64da\u985e\u578b\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\u548c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%a1%a8-jiqqfbzktU\">1. \u5275\u5efa\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u5305\u542b LOB \u6578\u64da\u985e\u578b\u7684\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684 SQL \u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE example_lob (\n    id INT PRIMARY KEY,\n    blob_data BLOB,\n    clob_data CLOB\n);<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5-lob-%e6%95%b8%e6%93%9a-jiqqfbzktU\">2. \u63d2\u5165 LOB \u6578\u64da<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u5411\u8868\u4e2d\u63d2\u5165 LOB \u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO example_lob (id, blob_data, clob_data) VALUES \n(1, '\u4e8c\u9032\u5236\u6578\u64da', '\u9019\u662f\u4e00\u6bb5\u6587\u672c\u6578\u64da');<\/code><\/pre>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2-lob-%e6%95%b8%e6%93%9a-jiqqfbzktU\">3. \u67e5\u8a62 LOB \u6578\u64da<\/h3>\n<p>\u67e5\u8a62 LOB \u6578\u64da\u7684\u65b9\u5f0f\u8207\u67e5\u8a62\u5176\u4ed6\u6578\u64da\u985e\u578b\u76f8\u540c\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT id, blob_data, clob_data FROM example_lob WHERE id = 1;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jiqqfbzktU\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 LOB \u6578\u64da\u985e\u578b\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>LOB \u6578\u64da\u7684\u5927\u5c0f\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u61c9\u8b39\u614e\u8003\u616e\u3002<\/li>\n<li>\u78ba\u4fdd\u5c0d LOB \u6578\u64da\u7684\u64cd\u4f5c\u7b26\u5408\u4e8b\u52d9\u8981\u6c42\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/li>\n<li>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684 LOB \u985e\u578b\uff08BLOB \u6216 CLOB\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jiqqfbzktU\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684 LOB \u6578\u64da\u985e\u578b\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u9078\u64c7\uff0c\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u76f8\u4fe1\u8b80\u8005\u5c0d OceanBase \u4e2d\u7684 LOB \u6578\u64da\u985e\u578b\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 OceanBase\uff0c\u4e26\u642d\u914d\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u6559\u7a0b\uff0c\u6df1\u5165\u4e86\u89e3 LOB \u6578\u64da\u985e\u578b\u7684\u7279\u6027\u8207\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u52a9\u529b\u958b\u767c\u8005\u5be6\u73fe\u6700\u4f73\u6027\u80fd\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-160169","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160169","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=160169"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160169\/revisions"}],"predecessor-version":[{"id":160170,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160169\/revisions\/160170"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}