{"id":10675,"date":"2022-12-12T17:12:43","date_gmt":"2022-12-12T09:12:43","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=10675"},"modified":"2022-12-12T17:18:45","modified_gmt":"2022-12-12T09:18:45","slug":"%e5%85%b3%e4%ba%8e%e8%bf%9e%e6%8e%a5%e6%b1%a0%e8%ae%bf%e9%97%aegbase-8a%e9%9b%86%e7%be%a4%e7%9a%84%e6%a3%80%e6%b5%8b%e8%bf%9e%e6%8e%a5%e5%8f%af%e7%94%a8%e6%80%a7%e5%8f%82%e6%95%b0%e5%bb%ba%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/10675","title":{"rendered":"\u5173\u4e8e\u8fde\u63a5\u6c60\u8bbf\u95eeGBase 8a\u96c6\u7fa4\u7684\u68c0\u6d4b\u8fde\u63a5\u53ef\u7528\u6027\u53c2\u6570\u5efa\u8bae"},"content":{"rendered":"<p>\u6240\u6709\u7684\u8fde\u63a5\u6c60\uff0c\u90fd\u63d0\u4f9b\u4e86\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u53ef\u7528\u7684\u529f\u80fd\uff0c\u4f46\u4e00\u822c\u662fselect 1\u8fd9\u4e2a\u7b80\u5355\u7684SQL\u3002\u9488\u5bf9GBase 8a\u96c6\u7fa4\uff0c\u5efa\u8bae\u6539\u6210\u67e5\u8be2\u4e00\u4e2a\u7a7a\u7684express\u8868\u6765\u68c0\u6d4b\u3002\u7279\u522b\u662ftable_distribution\u8868\u6709event\u6807\u6ce8\u65f6\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-6a2aead4a5ca6\" 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-6a2aead4a5ca6\"  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\/10675\/#select_1%E7%9A%84%E5%B1%80%E9%99%90\" >select 1\u7684\u5c40\u9650<\/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\/10675\/#%E4%BF%AE%E6%94%B9%E5%BB%BA%E8%AE%AE\" >\u4fee\u6539\u5efa\u8bae<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/10675\/#%E4%BC%98%E7%82%B9\" >\u4f18\u70b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/10675\/#%E5%B1%80%E9%99%90%E6%80%A7\" >\u5c40\u9650\u6027<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"select_1%E7%9A%84%E5%B1%80%E9%99%90\"><\/span>select 1\u7684\u5c40\u9650<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8be5SQL\u53ea\u9700\u8981\u8fde\u63a5\u8282\u70b9\u672c\u5730\u6267\u884c\uff0c\u4e0d\u9700\u8981\u8bbf\u95ee\u5176\u5b83\u8282\u70b9\u3002\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u9519\u8bef\u65e0\u6cd5\u63a2\u6d4b\u5230\u3002\u6bd4\u5982\u8111\u88c2\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BF%AE%E6%94%B9%E5%BB%BA%E8%AE%AE\"><\/span>\u4fee\u6539\u5efa\u8bae<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684express\u8868\uff0cXXXX\u8868\u793a\u5e93\u540d\u3002\u53ef\u4ee5\u7528\u4e1a\u52a1\u5e93\uff0c\u4e5f\u53ef\u4ee5\u5355\u72ec\u5efa\u4e00\u4e2a\u68c0\u6d4b\u7528\u7684\u5e93\u3002\u6bd4\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>create table XXXX.testForConnectioPool(id int)<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u5c06\u8fde\u63a5\u6c60\u63a2\u6d4b\u8fde\u63a5\u53ef\u7528\u6027\u7684SQL\u6539\u6210<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select count(*) from XXXX.testForConnectioPool<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u662f\u7a7a\u8868\uff0c\u53ef\u4ee5\u5feb\u901f\u7684\u8fd4\u56de\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BC%98%E7%82%B9\"><\/span>\u4f18\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u679c\u8fde\u63a5\u8282\u70b9\u6709\u6545\u969c\uff0c\u4e0d\u80fd\u8bbf\u95ee\u5176\u5b83\u8282\u70b9\uff0c\u6bd4\u5982\u8111\u88c2\uff0c\u5143\u6570\u636e\u4e0d\u4e00\u81f4(table_distributuion),\u5219\u65b0\u7684SQL\u4f1a\u62a5\u9519\uff0c\u8fde\u63a5\u6c60\u4f1a\u4ece\u4e0b\u4e00\u4e2aIP\u7ee7\u7eed\u5efa\u7acb\u65b0\u7684\u8fde\u63a5\uff0c\u907f\u514d\u4e86\u5982\u4e0a\u95ee\u9898\u53d1\u751f\u65f6\uff0c\u540e\u7eedSQL\u4e00\u76f4\u62a5\u9519\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B1%80%E9%99%90%E6%80%A7\"><\/span>\u5c40\u9650\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u679c\u4e1a\u52a1\u662f\u5927\u91cf\u7684\u77edSQL,\u6bd4\u5982\u90fd\u662f1\u79d2\u4ee5\u5185\u7684\uff0c\u5982\u4e0a\u7684select count(*)\u4e5f\u9700\u8981\u51e0\u5341\u4e2a\u6beb\u79d2\uff0c\u53ef\u80fd\u4f1a\u5bf9\u67e5\u8be2\u6027\u80fd\u6709\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u4f46\u5206\u6790\u578b\u4e1a\u52a1\uff0c\u5927\u90e8\u5206\u8fd8\u662f\u79d2\u7ea7\u6216\u5206\u949f\u7ea7\u7684\uff0c\u591a\u4e86\u8fd9\u51e0\u5341\u6beb\u79d2\uff0c\u53ef\u4ee5\u5ffd\u7565\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6240\u6709\u7684\u8fde\u63a5\u6c60\uff0c\u90fd\u63d0\u4f9b\u4e86\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u53ef\u7528\u7684\u529f\u80fd\uff0c\u4f46\u4e00\u822c\u662fselect 1\u8fd9\u4e2a\u7b80\u5355\u7684SQL\u3002\u9488\u5bf9GBase 8a\u96c6\u7fa4\uff0c\u5efa\u8bae\u6539\u6210\u67e5\u8be2\u4e00\u4e2a\u7a7a\u7684express\u8868\u6765\u68c0\u6d4b\u3002\u7279\u522b\u662ftable_distribution\u8868\u6709event\u6807\u6ce8\u65f6\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-10675","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10675","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=10675"}],"version-history":[{"count":2,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10675\/revisions"}],"predecessor-version":[{"id":10678,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/10675\/revisions\/10678"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=10675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=10675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=10675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}