{"id":160611,"date":"2024-11-03T23:32:25","date_gmt":"2024-11-03T15:32:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160611\/"},"modified":"2024-11-03T23:32:26","modified_gmt":"2024-11-03T15:32:26","slug":"oceanbase%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%ba%8f%e5%88%97%e5%b0%8d%e8%b1%a1%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160611\/","title":{"rendered":"OCEANBASE\u6559\u7a0b\uff1aOceanBase \u5e8f\u5217\u5c0d\u8c61\u6982\u8ff0"},"content":{"rendered":"<h1 id=\"oceanbase%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%ba%8f%e5%88%97%e5%b0%8d%e8%b1%a1%e6%a6%82%e8%bf%b0-UzWMupkRGD\">OCEANBASE\u6559\u7a0b\uff1aOceanBase \u5e8f\u5217\u5c0d\u8c61\u6982\u8ff0<\/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\u7cfb\u7d71\uff0c\u9010\u6f38\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u5b83\u7531\u963f\u91cc\u5df4\u5df4\u96c6\u5718\u958b\u767c\uff0c\u65e8\u5728\u652f\u6301\u5927\u898f\u6a21\u7684\u5728\u7dda\u4ea4\u6613\u8655\u7406\uff08OLTP\uff09\u548c\u5728\u7dda\u5206\u6790\u8655\u7406\uff08OLAP\uff09\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u5e8f\u5217\u5c0d\u8c61\uff0c\u4e26\u4e86\u89e3\u5176\u5728\u6578\u64da\u5eab\u4e2d\u7684\u91cd\u8981\u6027\u53ca\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ba%8f%e5%88%97%e5%b0%8d%e8%b1%a1%ef%bc%9f-UzWMupkRGD\">\u4ec0\u9ebc\u662f\u5e8f\u5217\u5c0d\u8c61\uff1f<\/h2>\n<p>\u5e8f\u5217\u5c0d\u8c61\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6574\u6578\u503c\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u6216\u5176\u4ed6\u9700\u8981\u552f\u4e00\u6a19\u8b58\u7684\u5834\u666f\u3002\u5e8f\u5217\u7684\u4e3b\u8981\u7279\u9ede\u662f\u5b83\u80fd\u5920\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u4fdd\u8b49\u751f\u6210\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u81ea\u52d5\u905e\u589e\u3002\u9019\u4f7f\u5f97\u5e8f\u5217\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u4f75\u767c\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n<h2 id=\"oceanbase-%e4%b8%ad%e7%9a%84%e5%ba%8f%e5%88%97%e5%b0%8d%e8%b1%a1-UzWMupkRGD\">OceanBase \u4e2d\u7684\u5e8f\u5217\u5c0d\u8c61<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u5e8f\u5217\u5c0d\u8c61\u7684\u4f7f\u7528\u975e\u5e38\u9748\u6d3b\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u5275\u5efa\u5e8f\u5217\uff0c\u4e26\u8a2d\u7f6e\u5176\u521d\u59cb\u503c\u3001\u589e\u91cf\u3001\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u7b49\u5c6c\u6027\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 initial_value\n    INCREMENT BY increment_value\n    MINVALUE minimum_value\n    MAXVALUE maximum_value\n    CYCLE | NOCYCLE;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>sequence_name<\/code> \u662f\u5e8f\u5217\u7684\u540d\u7a31\uff0c<code>initial_value<\/code> \u662f\u5e8f\u5217\u7684\u8d77\u59cb\u503c\uff0c<code>increment_value<\/code> \u662f\u6bcf\u6b21\u751f\u6210\u65b0\u503c\u6642\u7684\u589e\u91cf\uff0c<code>minimum_value<\/code> \u548c <code>maximum_value<\/code> \u5206\u5225\u5b9a\u7fa9\u4e86\u5e8f\u5217\u7684\u6700\u5c0f\u548c\u6700\u5927\u503c\uff0c\u800c <code>CYCLE<\/code> \u548c <code>NOCYCLE<\/code> \u5247\u6c7a\u5b9a\u4e86\u5e8f\u5217\u662f\u5426\u5728\u9054\u5230\u6700\u5927\u503c\u5f8c\u91cd\u65b0\u958b\u59cb\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e5%ba%8f%e5%88%97-UzWMupkRGD\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u5e8f\u5217<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u5e8f\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE SEQUENCE order_seq\n    START WITH 1\n    INCREMENT BY 1\n    MINVALUE 1\n    MAXVALUE 10000\n    NOCYCLE;<\/code><\/pre>\n<p>\u9019\u500b\u5e8f\u5217\u5c07\u5f9e 1 \u958b\u59cb\uff0c\u6bcf\u6b21\u905e\u589e 1\uff0c\u4e26\u4e14\u4e0d\u6703\u5faa\u74b0\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97%e5%b0%8d%e8%b1%a1-UzWMupkRGD\">\u4f7f\u7528\u5e8f\u5217\u5c0d\u8c61<\/h2>\n<p>\u4e00\u65e6\u5e8f\u5217\u88ab\u5275\u5efa\uff0c\u7528\u6236\u53ef\u4ee5\u901a\u904e <code>NEXTVAL<\/code> \u548c <code>CURRVAL<\/code> \u4f86\u7372\u53d6\u5e8f\u5217\u7684\u503c\u3002<code>NEXTVAL<\/code> \u8fd4\u56de\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u800c <code>CURRVAL<\/code> \u8fd4\u56de\u7576\u524d\u503c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u5e8f\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u7372\u53d6\u4e0b\u4e00\u500b\u5e8f\u5217\u503c\nSELECT order_seq.NEXTVAL FROM dual;\n\n-- \u7372\u53d6\u7576\u524d\u5e8f\u5217\u503c\nSELECT order_seq.CURRVAL FROM dual;<\/code><\/pre>\n<h3 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-UzWMupkRGD\">\u5e8f\u5217\u7684\u61c9\u7528\u5834\u666f<\/h3>\n<p>\u5e8f\u5217\u5c0d\u8c61\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u751f\u6210\u552f\u4e00\u7684\u4e3b\u9375\uff1a\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u5e8f\u5217\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500b\u8a18\u9304\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u3002<\/li>\n<li>\u8a02\u55ae\u7de8\u865f\uff1a\u5728\u96fb\u5b50\u5546\u52d9\u7cfb\u7d71\u4e2d\uff0c\u5e8f\u5217\u53ef\u4ee5\u7528\u4f86\u751f\u6210\u552f\u4e00\u7684\u8a02\u55ae\u7de8\u865f\u3002<\/li>\n<li>\u65e5\u8a8c\u8a18\u9304\uff1a\u5728\u65e5\u8a8c\u7cfb\u7d71\u4e2d\uff0c\u5e8f\u5217\u53ef\u4ee5\u7528\u4f86\u751f\u6210\u552f\u4e00\u7684\u65e5\u8a8c ID\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UzWMupkRGD\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684\u5e8f\u5217\u5c0d\u8c61\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u751f\u6210\u552f\u4e00\u7684\u6574\u6578\u503c\uff0c\u9019\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u5834\u666f\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u901a\u904e\u7c21\u55ae\u7684 SQL \u8a9e\u53e5\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5275\u5efa\u548c\u4f7f\u7528\u5e8f\u5217\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 OceanBase \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3OceanBase\u5e8f\u5217\u5bf9\u8c61\u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u5e94\u7528\uff0c\u638c\u63e1\u5982\u4f55\u5728OceanBase\u4e2d\u9ad8\u6548\u7ba1\u7406\u548c\u4f7f\u7528\u5e8f\u5217\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-160611","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160611","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=160611"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160611\/revisions"}],"predecessor-version":[{"id":160612,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160611\/revisions\/160612"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}