{"id":11858,"date":"2023-07-20T14:37:49","date_gmt":"2023-07-20T06:37:49","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=11858"},"modified":"2023-07-20T14:37:50","modified_gmt":"2023-07-20T06:37:50","slug":"gbase-8a%e5%88%97%e8%bd%ac%e8%a1%8c%e5%87%bd%e6%95%b0unpivot%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/11858","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u5217\u8f6c\u884c\u51fd\u6570unpivot\u4ecb\u7ecd"},"content":{"rendered":"<p>\u4e0epivot\u51fd\u6570\u76f8\u53cd\uff0cunpivot\u662f\u5c06\u5217\u8f6c\u6210\u884c\u3002\u672c\u6587\u4ecb\u7ecdGBase 8a\u91cc\uff0cunpivot\u7684\u4f7f\u7528\u3002\u672c\u6587\u4e0d\u5b8c\u6574\uff0c\u8fd8\u5728\u5b8c\u5584\u4e2d\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-6a2b2a0d985e6\" 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-6a2b2a0d985e6\"  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\/11858\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/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\/11858\/#%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-3\" href=\"https:\/\/www.gbase8.cn\/en\/11858\/#%E8%AF%B4%E6%98%8E\" >\u8bf4\u660e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/11858\/#NULLS\" >NULLS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/11858\/#unpivot_COLUMN\" >unpivot_COLUMN<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/11858\/#%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=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/en\/11806\/\">GBase 8a\u884c\u8f6c\u5217\u51fd\u6570pivot\u4ecb\u7ecd<\/a><\/p>\n\n\n\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>unpivot \n  &#91;{include_nulls | exclude_nulls}]\n  (\n    COLUMN | (\n      COLUMN&#91;,COLUMN]..\n    )\n    FOR COLUMN | (\n      COLUMN&#91;,COLUMN]..\n    )\n    IN COLUMN | (\n      COLUMN&#91;,COLUMN]...\n    ) &#91; AS LITERAL | (\n        LITERAL&#91;,LITERAL]...\n      )\n    ]\n  )<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NULLS\"><\/span>NULLS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>INCLUDE_NULLS: \u5f53\u8981\u8f6c\u6362\u7684\u5217\u503c\u4e3anull\u65f6\uff0c\u4e0d\u8fc7\u6ee4\uff0c\u7ed3\u679c\u663e\u793a\u6539\u884c<\/li><li>EXCLUDE_NULLS:\u5f53\u8981\u8f6c\u6362\u7684\u5217\u503c\u4e3anull\u65f6\uff0c\u8fc7\u6ee4\u6389(is not null)\uff0c\u7ed3\u679c\u4e5f\u4e0d\u663e\u793a\u6539\u884c\u3002 \u9ed8\u8ba4\u503c\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"unpivot_COLUMN\"><\/span>unpivot_COLUMN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u65b0\u589e\u52a0\u7684\u5217\u540d\uff0c\u5b58\u50a8<\/p>\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 has-small-font-size\"><code>gbase&gt; select * from tpp;\n+--------+--------+--------+----------+----------+\n| name   | yw_sum | sx_sum | yw_avg   | sx_avg   |\n+--------+--------+--------+----------+----------+\n| \u674e\u56db   |    290 |    216 | 145.0000 | 108.0000 |\n| \u5f20\u4e09   |    240 |    228 | 120.0000 | 114.0000 |\n| \u738b\u4e94   |    220 |    272 | 110.0000 | 136.0000 |\n+--------+--------+--------+----------+----------+\n3 rows in set (Elapsed: 00:00:00.01)\n\ngbase&gt; select * from tpp unpivot(score for class in (yw_sum as '\u8bed\u6587\u603b\u5206'));\n+----------+--------+----------+--------+--------------+-------+\n| yw_avg   | sx_sum | sx_avg   | name   | class        | score |\n+----------+--------+----------+--------+--------------+-------+\n| 120.0000 |    228 | 114.0000 | \u5f20\u4e09   | \u8bed\u6587\u603b\u5206     |   240 |\n| 110.0000 |    272 | 136.0000 | \u738b\u4e94   | \u8bed\u6587\u603b\u5206     |   220 |\n| 145.0000 |    216 | 108.0000 | \u674e\u56db   | \u8bed\u6587\u603b\u5206     |   290 |\n+----------+--------+----------+--------+--------------+-------+\n3 rows in set (Elapsed: 00:00:00.01)\n\ngbase&gt; select * from tpp unpivot(score for class in (yw_sum as '\u8bed\u6587\u603b\u5206',sx_sum as '\u6570\u5b66\u603b\u5206'));\n+----------+----------+--------+--------------+-------+\n| yw_avg   | sx_avg   | name   | class        | score |\n+----------+----------+--------+--------------+-------+\n| 145.0000 | 108.0000 | \u674e\u56db   | \u8bed\u6587\u603b\u5206     |   290 |\n| 145.0000 | 108.0000 | \u674e\u56db   | \u6570\u5b66\u603b\u5206     |   216 |\n| 120.0000 | 114.0000 | \u5f20\u4e09   | \u8bed\u6587\u603b\u5206     |   240 |\n| 110.0000 | 136.0000 | \u738b\u4e94   | \u8bed\u6587\u603b\u5206     |   220 |\n| 120.0000 | 114.0000 | \u5f20\u4e09   | \u6570\u5b66\u603b\u5206     |   228 |\n| 110.0000 | 136.0000 | \u738b\u4e94   | \u6570\u5b66\u603b\u5206     |   272 |\n+----------+----------+--------+--------------+-------+\n6 rows in set (Elapsed: 00:00:00.01)\n\ngbase&gt; select * from tpp unpivot(score for class in (yw_sum as '\u8bed\u6587\u603b\u5206',sx_sum as '\u6570\u5b66\u603b\u5206',yw_avg as '\u8bed\u6587\u5e73\u5747\u5206'));\n+----------+--------+-----------------+----------+\n| sx_avg   | name   | class           | score    |\n+----------+--------+-----------------+----------+\n| 114.0000 | \u5f20\u4e09   | \u8bed\u6587\u603b\u5206        | 240.0000 |\n| 136.0000 | \u738b\u4e94   | \u8bed\u6587\u603b\u5206        | 220.0000 |\n| 114.0000 | \u5f20\u4e09   | \u6570\u5b66\u603b\u5206        | 228.0000 |\n| 136.0000 | \u738b\u4e94   | \u6570\u5b66\u603b\u5206        | 272.0000 |\n| 114.0000 | \u5f20\u4e09   | \u8bed\u6587\u5e73\u5747\u5206      | 120.0000 |\n| 136.0000 | \u738b\u4e94   | \u8bed\u6587\u5e73\u5747\u5206      | 110.0000 |\n| 108.0000 | \u674e\u56db   | \u8bed\u6587\u603b\u5206        | 290.0000 |\n| 108.0000 | \u674e\u56db   | \u6570\u5b66\u603b\u5206        | 216.0000 |\n| 108.0000 | \u674e\u56db   | \u8bed\u6587\u5e73\u5747\u5206      | 145.0000 |\n+----------+--------+-----------------+----------+\n9 rows in set (Elapsed: 00:00:00.01)\n\ngbase&gt; select * from tpp unpivot(score for class in (yw_sum as '\u8bed\u6587\u603b\u5206',sx_sum as '\u6570\u5b66\u603b\u5206',yw_avg as '\u8bed\u6587\u5e73\u5747\u5206',sx_avg as '\u6570\u5b66\u5e73\u5747\u5206'));\n+--------+-----------------+----------+\n| name   | class           | score    |\n+--------+-----------------+----------+\n| \u5f20\u4e09   | \u8bed\u6587\u603b\u5206        | 240.0000 |\n| \u738b\u4e94   | \u8bed\u6587\u603b\u5206        | 220.0000 |\n| \u5f20\u4e09   | \u6570\u5b66\u603b\u5206        | 228.0000 |\n| \u738b\u4e94   | \u6570\u5b66\u603b\u5206        | 272.0000 |\n| \u5f20\u4e09   | \u8bed\u6587\u5e73\u5747\u5206      | 120.0000 |\n| \u738b\u4e94   | \u8bed\u6587\u5e73\u5747\u5206      | 110.0000 |\n| \u5f20\u4e09   | \u6570\u5b66\u5e73\u5747\u5206      | 114.0000 |\n| \u738b\u4e94   | \u6570\u5b66\u5e73\u5747\u5206      | 136.0000 |\n| \u674e\u56db   | \u8bed\u6587\u603b\u5206        | 290.0000 |\n| \u674e\u56db   | \u6570\u5b66\u603b\u5206        | 216.0000 |\n| \u674e\u56db   | \u8bed\u6587\u5e73\u5747\u5206      | 145.0000 |\n| \u674e\u56db   | \u6570\u5b66\u5e73\u5747\u5206      | 108.0000 |\n+--------+-----------------+----------+\n12 rows in set (Elapsed: 00:00:00.01)\n\ngbase&gt;\n<\/code><\/pre>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u4e0epivot\u51fd\u6570\u76f8\u53cd\uff0cunpivot\u662f\u5c06\u5217\u8f6c\u6210\u884c\u3002\u672c\u6587\u4ecb\u7ecdGBase 8a\u91cc\uff0cunpivot\u7684\u4f7f\u7528\u3002\u672c\u6587\u4e0d\u5b8c\u6574\uff0c\u8fd8\u5728\u5b8c\u5584\u4e2d\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[36],"class_list":["post-11858","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-36"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/11858","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=11858"}],"version-history":[{"count":7,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/11858\/revisions"}],"predecessor-version":[{"id":12377,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/11858\/revisions\/12377"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=11858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=11858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=11858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}