{"id":5989,"date":"2021-05-18T08:47:18","date_gmt":"2021-05-18T00:47:18","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=5989"},"modified":"2021-05-18T10:40:01","modified_gmt":"2021-05-18T02:40:01","slug":"clickhouse%e5%88%9b%e5%bb%ba%e4%b8%8d%e6%8e%92%e5%ba%8f%e7%9a%84%e6%97%a0%e4%b8%bb%e9%94%ae%e7%9a%84mergetree%e8%a1%a8tuple%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/5989","title":{"rendered":"Clickhouse\u521b\u5efa\u4e0d\u6392\u5e8f\u7684\u65e0\u4e3b\u952e\u7684MergeTree\u8868tuple\u7684\u4f7f\u7528"},"content":{"rendered":"<p>Clickhouse \u7684MergeTree\u5f15\u64ce\uff0c\u8981\u6c42\u5fc5\u987b\u63d0\u4f9border by \u6216\u8005 primary key, \u5426\u5219\u8868\u521b\u5efa\u5931\u8d25\u3002\u4f46Clickhouse\u63d0\u4f9b\u4e86 tuple\u529f\u80fd\uff0c\u53ef\u4ee5\u4e0d\u6307\u5b9a\u6392\u5e8f\u5217\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2af8337aad6\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2af8337aad6\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/5989\/#%E8%AF%AD%E6%B3%95\" >\u8bed\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/5989\/#%E6%A0%B7%E4%BE%8B\" >\u6837\u4f8b<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%AD%E6%B3%95\"><\/span>\u8bed\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ORDER BY tuple()<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%B7%E4%BE%8B\"><\/span>\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE TABLE t_no_order\r\n(\r\nCREATE TABLE t_tuple\r\n(\r\n    `id` int,\r\n    `name` varchar(100)\r\n)\r\nENGINE = MergeTree\r\nORDER BY tuple()<\/code><\/pre>\n\n\n\n<p>\u5411\u65e0\u6392\u5e8f\u5217\u7684\u8868\u63d2\u5165\u6570\u636e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>localhost :) insert into t_tuple select * from t2 where id is not null;\r\n\r\nINSERT INTO t_tuple SELECT *\r\nFROM t2\r\nWHERE isNotNull(id)\r\n\r\nQuery id: c369acda-5452-4ec1-93dc-07f6ca4ac109\r\n\r\nOk.\r\n\r\n0 rows in set. Elapsed: 0.005 sec.\r\n\r\nlocalhost :) select * from t_tuple;\r\n\r\nSELECT *\r\nFROM t_tuple\r\n\r\nQuery id: 067c6500-e45f-484d-8c74-5b30060fce7c\r\n\r\n\u250c\u2500id\u2500\u252c\u2500name\u2500\u2510\r\n\u2502  1 \u2502 111  \u2502\r\n\u2502  1 \u2502 111  \u2502\r\n\u2502  2 \u2502 2222 \u2502\r\n\u2514\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2518\r\n\r\n3 rows in set. Elapsed: 0.002 sec.\r\n<\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>Clickhouse \u7684MergeTree\u5f15\u64ce\uff0c\u8981\u6c42\u5fc5\u987b\u63d0\u4f9border by \u6216\u8005 primary key, \u5426\u5219\u8868\u521b\u5efa\u5931\u8d25\u3002\u4f46Clickhouse\u63d0\u4f9b\u4e86 tuple\u529f\u80fd\uff0c\u53ef\u4ee5\u4e0d\u6307\u5b9a\u6392\u5e8f\u5217\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-5989","post","type-post","status-publish","format-standard","hentry","category-clickhouse"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=5989"}],"version-history":[{"count":2,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5989\/revisions"}],"predecessor-version":[{"id":5991,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5989\/revisions\/5991"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=5989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=5989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=5989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}