{"id":174,"date":"2020-06-09T15:37:15","date_gmt":"2020-06-09T07:37:15","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=174"},"modified":"2021-02-04T11:04:28","modified_gmt":"2021-02-04T03:04:28","slug":"gbase-8a%e9%9b%86%e7%be%a4%e8%a1%a8%e9%87%8d%e5%bb%ba%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/174","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u8868\u91cd\u5efa\u65b9\u6cd5"},"content":{"rendered":"<p>GBase 8a\u96c6\u7fa4\u53ef\u4ee5\u901a\u8fc7\u65b0\u5efa\u8868\uff0c\u5c06\u6570\u636e\u5d4c\u5165\uff0c\u518d\u4fee\u6539\u8868\u540d\u7684\u65b9\u5f0f\uff0c\u5b9e\u73b0\u8868\u91cd\u5efa\u3002<\/p>\n\n\n\n<p>\u5982\u4e0b\u4f8b\u5b50<br>TableName_OLD\u662f\u73b0\u6709\u8868\u7684\u540d\u5b57<br>TableName_NEW \u662f\u65b0\u5efa\u7684\u540d\u5b57<br>tableName_OLD_CAN_DELETE \u662f\u73b0\u6709\u8868\u6539\u540d\u540e\u7684\u540d\u5b57\uff0c\u4ee5\u540e\u6839\u636e\u4f7f\u7528\u60c5\u51b5\u5220\u9664\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-6a2ad3e749965\" 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-6a2ad3e749965\"  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\/174\/#%E6%96%B0%E5%BB%BA%E8%A1%A8\" >\u65b0\u5efa\u8868<\/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\/174\/#%E8%BD%AC%E5%82%A8%E6%95%B0%E6%8D%AE\" >\u8f6c\u50a8\u6570\u636e<\/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\/174\/#%E6%94%B9%E5%90%8D\" >\u6539\u540d<\/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\/174\/#%E7%A1%AE%E8%AE%A4%E6%96%B0%E8%A1%A8%E5%8F%AF%E6%AD%A3%E5%B8%B8%E4%BD%BF%E7%94%A8\" >\u786e\u8ba4\u65b0\u8868\u53ef\u6b63\u5e38\u4f7f\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/174\/#%E5%88%A0%E9%99%A4%E6%97%A7%E8%A1%A8\" >\u5220\u9664\u65e7\u8868<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%B0%E5%BB%BA%E8%A1%A8\"><\/span>\u65b0\u5efa\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>create table TableName_NEW like TableName_OLD;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%BD%AC%E5%82%A8%E6%95%B0%E6%8D%AE\"><\/span>\u8f6c\u50a8\u6570\u636e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>insert into tableName_NEW select * from tableName_OLD;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%94%B9%E5%90%8D\"><\/span>\u6539\u540d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>rename table tableName_OLD to tableName_OLD_CAN_DELETE;<\/p>\n\n\n\n<p>rename table tableName_NEW to tableName_OLD;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A1%AE%E8%AE%A4%E6%96%B0%E8%A1%A8%E5%8F%AF%E6%AD%A3%E5%B8%B8%E4%BD%BF%E7%94%A8\"><\/span>\u786e\u8ba4\u65b0\u8868\u53ef\u6b63\u5e38\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6267\u884c\u4e1a\u52a1\uff0c\u770b\u662f\u5426\u4e00\u5207\u6b63\u5e38\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%A0%E9%99%A4%E6%97%A7%E8%A1%A8\"><\/span>\u5220\u9664\u65e7\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u786e\u8ba4\u65b0\u8868\u4f7f\u7528\u6b63\u5e38\uff0c\u8001\u8868\u6839\u636e\u60c5\u51b5\u8003\u8651\u5220\u9664\u3002\u5982\u679c\u7a7a\u95f4\u4e0d\u662f\u975e\u5e38\u7d27\u5f20\uff0c\u53ef\u4ee5\u518d\u786e\u8ba4\u65b0\u8868\u5728\u4f7f\u7528\u4e00\u6bb5\u65f6\u95f4\u540e\u5b8c\u5168\u6ca1\u95ee\u9898\u540e\u518d\u5220\u9664\u3002\u5982\u679c\u5fd8\u8bb0\u5220\u9664\u4e86\u6700\u591a\u6d6a\u8d39\u70b9\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p>drop table tableName_OLD_CAN_DELETE;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u53ef\u4ee5\u901a\u8fc7\u65b0\u5efa\u8868\uff0c\u5c06\u6570\u636e\u5d4c\u5165\uff0c\u518d\u4fee\u6539\u8868\u540d\u7684\u65b9\u5f0f\uff0c\u5b9e\u73b0\u8868\u91cd\u5efa<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-174","post","type-post","status-publish","format-aside","hentry","category-gbase8a","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/174","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=174"}],"version-history":[{"count":6,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/174\/revisions"}],"predecessor-version":[{"id":4580,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/174\/revisions\/4580"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}