{"id":160075,"date":"2024-11-03T20:04:21","date_gmt":"2024-11-03T12:04:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160075\/"},"modified":"2024-11-03T20:04:22","modified_gmt":"2024-11-03T12:04:22","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-ceil","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160075\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase CEIL"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-ceil-feErlZWsjs\">OceanBase \u6559\u7a0b\uff1aOceanBase CEIL<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u6280\u8853\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\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 \u4e2d\u7684 CEIL \u51fd\u6578\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u4f86\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ceil-%e5%87%bd%e6%95%b8%ef%bc%9f-feErlZWsjs\">\u4ec0\u9ebc\u662f CEIL \u51fd\u6578\uff1f<\/h2>\n<p>CEIL \u51fd\u6578\u662f\u6578\u5b78\u51fd\u6578\u7684\u4e00\u7a2e\uff0c\u7528\u65bc\u8fd4\u56de\u5927\u65bc\u6216\u7b49\u65bc\u6307\u5b9a\u6578\u5b57\u7684\u6700\u5c0f\u6574\u6578\u3002\u5728 OceanBase \u4e2d\uff0cCEIL \u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CEIL(numeric_expression)<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>numeric_expression<\/code> \u662f\u60a8\u5e0c\u671b\u9032\u884c\u53d6\u6574\u7684\u6578\u5b57\u8868\u9054\u5f0f\u3002CEIL \u51fd\u6578\u7684\u8fd4\u56de\u503c\u985e\u578b\u70ba\u6574\u6578\u3002<\/p>\n<h2 id=\"ceil-%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-feErlZWsjs\">CEIL \u51fd\u6578\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>CEIL \u51fd\u6578\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u7684\u60c5\u6cc1\u4e0b\u3002\u4f8b\u5982\uff0c\u7576\u60a8\u9700\u8981\u8a08\u7b97\u67d0\u500b\u6578\u64da\u96c6\u7684\u5e73\u5747\u503c\u4e26\u5c07\u5176\u5411\u4e0a\u53d6\u6574\u6642\uff0cCEIL \u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u60a8\u7372\u5f97\u6240\u9700\u7684\u7d50\u679c\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-1%ef%bc%9a%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-feErlZWsjs\">\u793a\u4f8b 1\uff1a\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u6578\u5b57 3.14\uff0c\u60a8\u5e0c\u671b\u5c07\u5176\u5411\u4e0a\u53d6\u6574\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT CEIL(3.14) AS rounded_value;<\/code><\/pre>\n<p>\u57f7\u884c\u6b64\u67e5\u8a62\u5f8c\uff0c\u8fd4\u56de\u7684\u7d50\u679c\u5c07\u662f 4\uff0c\u56e0\u70ba 4 \u662f\u5927\u65bc 3.14 \u7684\u6700\u5c0f\u6574\u6578\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-2%ef%bc%9a%e8%88%87%e5%85%b6%e4%bb%96%e5%87%bd%e6%95%b8%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-feErlZWsjs\">\u793a\u4f8b 2\uff1a\u8207\u5176\u4ed6\u51fd\u6578\u7d50\u5408\u4f7f\u7528<\/h3>\n<p>CEIL \u51fd\u6578\u4e5f\u53ef\u4ee5\u8207\u5176\u4ed6\u6578\u5b78\u51fd\u6578\u7d50\u5408\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u5305\u542b\u5546\u54c1\u50f9\u683c\u7684\u8868\u683c\uff0c\u60a8\u5e0c\u671b\u8a08\u7b97\u6bcf\u500b\u5546\u54c1\u7684\u50f9\u683c\u52a0\u4e0a\u7a05\u5f8c\u7684\u6574\u6578\u503c\u3002\u60a8\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre><code>SELECT product_id, CEIL(price * 1.1) AS price_with_tax FROM products;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u5c07\u6bcf\u500b\u5546\u54c1\u7684\u50f9\u683c\u4e58\u4ee5 1.1\uff08\u5047\u8a2d\u7a05\u7387\u70ba 10%\uff09\uff0c\u7136\u5f8c\u4f7f\u7528 CEIL \u51fd\u6578\u5c07\u7d50\u679c\u5411\u4e0a\u53d6\u6574\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-feErlZWsjs\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 CEIL \u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>CEIL \u51fd\u6578\u50c5\u9069\u7528\u65bc\u6578\u5b57\u985e\u578b\u7684\u8868\u9054\u5f0f\uff0c\u5c0d\u65bc\u5176\u4ed6\u985e\u578b\u7684\u6578\u64da\uff0c\u5c07\u6703\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li>\u5982\u679c\u8f38\u5165\u7684\u6578\u5b57\u70ba NULL\uff0c\u5247 CEIL \u51fd\u6578\u7684\u8fd4\u56de\u503c\u4e5f\u5c07\u662f NULL\u3002<\/li>\n<li>CEIL \u51fd\u6578\u7684\u6027\u80fd\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u67e5\u8a62\u6642\u61c9\u8003\u616e\u5230\u9019\u4e00\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-feErlZWsjs\">\u7d50\u8ad6<\/h2>\n<p>CEIL \u51fd\u6578\u5728 OceanBase \u4e2d\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u6578\u64da\u8655\u7406\u548c\u5206\u6790\u4e2d\u7372\u5f97\u66f4\u6e96\u78ba\u7684\u7d50\u679c\u3002\u7121\u8ad6\u662f\u9032\u884c\u57fa\u672c\u7684\u6578\u5b57\u53d6\u6574\uff0c\u9084\u662f\u8207\u5176\u4ed6\u6578\u5b78\u904b\u7b97\u7d50\u5408\u4f7f\u7528\uff0cCEIL \u51fd\u6578\u90fd\u80fd\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d OceanBase \u6216\u5176\u4ed6\u6578\u64da\u5eab\u6280\u8853\u6709\u8208\u8da3\uff0c\u4e26\u5e0c\u671b\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u9805\u76ee\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to use OceanBase CEIL function effectively with our comprehensive tutorial, featuring examples and best practices for optimal performance.<\/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-160075","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160075","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=160075"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160075\/revisions"}],"predecessor-version":[{"id":160076,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160075\/revisions\/160076"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}