{"id":160603,"date":"2024-11-03T23:28:20","date_gmt":"2024-11-03T15:28:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160603\/"},"modified":"2024-11-03T23:28:21","modified_gmt":"2024-11-03T15:28:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%96%b0%e5%bb%ba%e5%ba%8f%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160603\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u65b0\u5efa\u5e8f\u5217"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%96%b0%e5%bb%ba%e5%ba%8f%e5%88%97-EEAXgofbRo\">OceanBase \u6559\u7a0b\uff1aOceanBase \u65b0\u5efa\u5e8f\u5217<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u5e8f\u5217\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u751f\u6210\u552f\u4e00\u6a19\u8b58\u7b26\u7684\u60c5\u6cc1\u4e0b\u3002OceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5e8f\u5217\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5730\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\u5e8f\u5217\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 OceanBase \u4e2d\u5275\u5efa\u548c\u4f7f\u7528\u5e8f\u5217\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ba%8f%e5%88%97%ef%bc%9f-EEAXgofbRo\">\u4ec0\u9ebc\u662f\u5e8f\u5217\uff1f<\/h2>\n<p>\u5e8f\u5217\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u4e9b\u503c\u901a\u5e38\u7528\u4f5c\u4e3b\u9375\u6216\u5176\u4ed6\u9700\u8981\u552f\u4e00\u6a19\u8b58\u7684\u5834\u666f\u3002\u5e8f\u5217\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u81ea\u52d5\u589e\u9577\uff1a\u6bcf\u6b21\u8abf\u7528\u5e8f\u5217\u6642\uff0c\u6703\u81ea\u52d5\u751f\u6210\u4e00\u500b\u65b0\u7684\u552f\u4e00\u503c\u3002<\/li>\n<li>\u53ef\u914d\u7f6e\u6027\uff1a\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6e\u5e8f\u5217\u7684\u8d77\u59cb\u503c\u3001\u589e\u91cf\u3001\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u7b49\u5c6c\u6027\u3002<\/li>\n<li>\u591a\u7528\u6236\u652f\u6301\uff1a\u5e8f\u5217\u53ef\u4ee5\u88ab\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\uff0c\u78ba\u4fdd\u751f\u6210\u7684\u503c\u4e0d\u6703\u91cd\u8907\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8-oceanbase-%e4%b8%ad%e5%89%b5%e5%bb%ba%e5%ba%8f%e5%88%97-EEAXgofbRo\">\u5728 OceanBase \u4e2d\u5275\u5efa\u5e8f\u5217<\/h2>\n<p>\u5728 OceanBase \u4e2d\u5275\u5efa\u5e8f\u5217\u7684\u8a9e\u6cd5\u8207\u5176\u4ed6\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5e8f\u5217\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE SEQUENCE sequence_name\n    START WITH start_value\n    INCREMENT BY increment_value\n    MINVALUE min_value\n    MAXVALUE max_value\n    CYCLE | NOCYCLE;<\/code><\/pre>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e5%ba%8f%e5%88%97-EEAXgofbRo\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u5e8f\u5217<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>order_seq<\/code> \u7684\u5e8f\u5217\uff0c\u5f9e 1 \u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u9577 1\uff0c\u4e26\u4e14\u4e0d\u8a2d\u7f6e\u6700\u5927\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE SEQUENCE order_seq\n    START WITH 1\n    INCREMENT BY 1\n    MINVALUE 1\n    NOCYCLE;<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97%e7%94%9f%e6%88%90%e5%94%af%e4%b8%80%e5%80%bc-EEAXgofbRo\">\u4f7f\u7528\u5e8f\u5217\u751f\u6210\u552f\u4e00\u503c<\/h3>\n<p>\u5275\u5efa\u5e8f\u5217\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>NEXTVAL<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u63d2\u5165\u6578\u64da\u6642\u4f7f\u7528\u5e8f\u5217\uff1a<\/p>\n<pre><code>INSERT INTO orders (order_id, order_date)\nVALUES (order_seq.NEXTVAL, CURRENT_DATE);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6bcf\u6b21\u63d2\u5165\u65b0\u8a02\u55ae\u6642\uff0c<code>order_id<\/code> \u5c07\u81ea\u52d5\u7372\u53d6\u4e00\u500b\u552f\u4e00\u7684\u503c\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u624b\u52d5\u7ba1\u7406\u4e3b\u9375\u7684\u9ebb\u7169\u3002<\/p>\n<h2 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e5%85%b6%e4%bb%96%e6%93%8d%e4%bd%9c-EEAXgofbRo\">\u5e8f\u5217\u7684\u5176\u4ed6\u64cd\u4f5c<\/h2>\n<p>\u9664\u4e86\u5275\u5efa\u548c\u4f7f\u7528\u5e8f\u5217\u5916\uff0cOceanBase \u9084\u652f\u6301\u5c0d\u5e8f\u5217\u7684\u5176\u4ed6\u64cd\u4f5c\uff0c\u4f8b\u5982\u4fee\u6539\u548c\u522a\u9664\u5e8f\u5217\u3002<\/p>\n<h3 id=\"%e4%bf%ae%e6%94%b9%e5%ba%8f%e5%88%97-EEAXgofbRo\">\u4fee\u6539\u5e8f\u5217<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u6539\u5e8f\u5217\u7684\u5c6c\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ALTER SEQUENCE<\/code> \u8a9e\u53e5\u3002\u4f8b\u5982\uff0c\u5c07 <code>order_seq<\/code> \u7684\u589e\u91cf\u6539\u70ba 5\uff1a<\/p>\n<pre><code>ALTER SEQUENCE order_seq\n    INCREMENT BY 5;<\/code><\/pre>\n<h3 id=\"%e5%88%aa%e9%99%a4%e5%ba%8f%e5%88%97-EEAXgofbRo\">\u522a\u9664\u5e8f\u5217<\/h3>\n<p>\u5982\u679c\u4e0d\u518d\u9700\u8981\u67d0\u500b\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DROP SEQUENCE<\/code> \u8a9e\u53e5\u5c07\u5176\u522a\u9664\uff1a<\/p>\n<pre><code>DROP SEQUENCE order_seq;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EEAXgofbRo\">\u7e3d\u7d50<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u5e8f\u5217\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002\u901a\u904e\u7c21\u55ae\u7684 SQL \u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u5275\u5efa\u3001\u4f7f\u7528\u3001\u4fee\u6539\u548c\u522a\u9664\u5e8f\u5217\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u5728 OceanBase \u4e2d\u65b0\u5efa\u5e8f\u5217\uff0c\u638c\u63e1\u5e8f\u5217\u7684\u521b\u5efa\u3001\u7ba1\u7406\u548c\u5e94\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u5e93\u64cd\u4f5c\u6548\u7387\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-160603","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160603","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=160603"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160603\/revisions"}],"predecessor-version":[{"id":160604,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160603\/revisions\/160604"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}