{"id":160147,"date":"2024-11-03T20:40:26","date_gmt":"2024-11-03T12:40:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160147\/"},"modified":"2024-11-03T20:40:27","modified_gmt":"2024-11-03T12:40:27","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-interval-day-to-second-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160147\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-interval-day-to-second-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-PKDWknETrF\">OceanBase \u6559\u7a0b\uff1aOceanBase INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u7279\u6027\u53ca\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-interval-day-to-second-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%ef%bc%9f-PKDWknETrF\">\u4ec0\u9ebc\u662f INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\uff1f<\/h2>\n<p>INTERVAL DAY TO SECOND \u662f\u4e00\u7a2e\u7528\u65bc\u8868\u793a\u6642\u9593\u9593\u9694\u7684\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u7528\u65bc\u8a08\u7b97\u5169\u500b\u6642\u9593\u9ede\u4e4b\u9593\u7684\u5dee\u7570\u3002\u9019\u7a2e\u6578\u64da\u985e\u578b\u53ef\u4ee5\u8868\u793a\u5f9e\u5929\u5230\u79d2\u7684\u6642\u9593\u9593\u9694\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u6642\u9593\u8a08\u7b97\u548c\u6578\u64da\u5206\u6790\u4e2d\u3002<\/p>\n<h2 id=\"interval-day-to-second-%e7%9a%84%e8%aa%9e%e6%b3%95-PKDWknETrF\">INTERVAL DAY TO SECOND \u7684\u8a9e\u6cd5<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0cINTERVAL DAY TO SECOND \u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INTERVAL 'n' DAY TO SECOND<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>n<\/code> \u53ef\u4ee5\u662f\u6b63\u6578\u6216\u8ca0\u6578\uff0c\u8868\u793a\u6642\u9593\u9593\u9694\u7684\u9577\u5ea6\u3002\u9019\u500b\u6578\u64da\u985e\u578b\u7684\u7bc4\u570d\u662f\u5f9e -2147483648 \u5230 2147483647 \u5929\uff0c\u4e26\u4e14\u53ef\u4ee5\u7cbe\u78ba\u5230\u5c0f\u6578\u79d2\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-PKDWknETrF\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\u7684\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc-PKDWknETrF\">1. \u5275\u5efa\u8868\u683c<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5305\u542b INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\u7684\u8868\u683c\uff1a<\/p>\n<pre><code>CREATE TABLE event (\n    event_id INT,\n    event_name VARCHAR(100),\n    event_duration INTERVAL DAY TO SECOND\n);<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-PKDWknETrF\">2. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u5411\u8868\u683c\u4e2d\u63d2\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO event (event_id, event_name, event_duration) VALUES\n(1, 'Conference', INTERVAL '2' DAY),\n(2, 'Workshop', INTERVAL '3 12:30:00' DAY TO SECOND);<\/code><\/pre>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-PKDWknETrF\">3. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u8868\u683c\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u8a08\u7b97\u4e8b\u4ef6\u7684\u6301\u7e8c\u6642\u9593\uff1a<\/p>\n<pre><code>SELECT event_id, event_name, event_duration,\n       EXTRACT(DAY FROM event_duration) AS days,\n       EXTRACT(HOUR FROM event_duration) AS hours,\n       EXTRACT(MINUTE FROM event_duration) AS minutes,\n       EXTRACT(SECOND FROM event_duration) AS seconds\nFROM event;<\/code><\/pre>\n<h2 id=\"interval-day-to-second-%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-PKDWknETrF\">INTERVAL DAY TO SECOND \u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u8a08\u7b97\u8a02\u55ae\u8655\u7406\u6642\u9593\uff1a<\/strong>\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u6578\u64da\u985e\u578b\u4f86\u8a08\u7b97\u5f9e\u4e0b\u55ae\u5230\u767c\u8ca8\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u4e8b\u4ef6\u6301\u7e8c\u6642\u9593\uff1a<\/strong>\u5728\u6d3b\u52d5\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u7528\u4f86\u8a18\u9304\u6d3b\u52d5\u7684\u6301\u7e8c\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u6790\uff1a<\/strong>\u5728\u6578\u64da\u5206\u6790\u4e2d\uff0c\u53ef\u4ee5\u7528\u4f86\u8a08\u7b97\u4e0d\u540c\u4e8b\u4ef6\u4e4b\u9593\u7684\u6642\u9593\u5dee\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PKDWknETrF\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684 INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u8655\u7406\u6642\u9593\u9593\u9694\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u9084\u662f\u6578\u64da\u5206\u6790\u4e2d\uff0c\u9019\u7a2e\u6578\u64da\u985e\u578b\u90fd\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8a08\u7b97\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3 OceanBase \u7684\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u53d6\u5f97\u66f4\u5927\u7684\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 OceanBase \u4e2d\u7684 INTERVAL DAY TO SECOND \u6578\u64da\u985e\u578b\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u8655\u7406\u6642\u9593\u9593\u9694\u548c\u65e5\u671f\u8a08\u7b97\u7684\u5be6\u7528\u6280\u5de7\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-160147","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160147","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=160147"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160147\/revisions"}],"predecessor-version":[{"id":160148,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160147\/revisions\/160148"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}