<\/span><\/h2>\n\n\n\nPERCENT_RANK() OVER([PARTITION BY col_name1,col_name2,\u2026] ORDER BY col_name1 [ASC\/DESC], col_name2 [ASC\/DESC],\u2026)\r<\/code><\/pre>\n\n\n\n<\/span>\u8bf4\u660e<\/span><\/h2>\n\n\n\n\u8ba1\u7b97\u7531 ORDER BY \u5b50\u53e5\u5b9a\u4e49\uff0c\u5728\u8fd4\u56de\u7684\u67e5\u8be2\u4e2d\u67d0\u4e00\u884c\u76f8\u5bf9\u4e8e\u5176\u5b83\u884c\u7684\uff08\u5c0f\u6570\uff09\u4f4d\u7f6e\u3002\u5b83\u8fd4\u56de\u4ecb\u4e8e 0 \u548c 1 \u4e4b\u95f4\u7684\u5c0f\u6570\u503c\u3002
\u8be5\u51fd\u6570\u7684\u4f7f\u7528\u573a\u666f\u53ca\u4f7f\u7528\u9650\u5236\u4e0e RANK()\u51fd\u6570\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n\n\n\n
<\/span>\u6837\u4f8b<\/span><\/h2>\n\n\n\n<\/span>\u65e0PARTITION\u7684percent_rank<\/span><\/h3>\n\n\n\nRANK\u8fd4\u56de\u7684\u662f\u4f4d\u7f6e\u987a\u5e8f\u53f7\uff0c\u800cpercent_rank\u8fd4\u56de\u7684\u662f0-1\u4e4b\u95f4\u7684\u5c0f\u6570\u4f4d\u7f6e\u3002<\/p>\n\n\n\n| select t2.*,rank() over(order by val) v from t2;<\/td> | select t2.*,percent_rank() over(order by val) v from t2;<\/td><\/tr> |
+------+------+------+---+
| id | type | val | v |
+------+------+------+---+
| 1 | 1 | 111 | 1 |
| 2 | 1 | 122 | 2 |
| 3 | 1 | 133 | 3 |
| 4 | 2 | 222 | 4 |
| 5 | 2 | 233 | 5 |
| 6 | 2 | 244 | 6 |
| 7 | 3 | 333 | 7 |
+------+------+------+---+
7 rows in set (Elapsed: 00:00:00.01)<\/code><\/td>+------+------+------+-------------------+
| id | type | val | v |
+------+------+------+-------------------+
| 1 | 1 | 111 | 0 |
| 2 | 1 | 122 | 0.166666666666667 |
| 3 | 1 | 133 | 0.333333333333333 |
| 4 | 2 | 222 | 0.5 |
| 5 | 2 | 233 | 0.666666666666667 |
| 6 | 2 | 244 | 0.833333333333333 |
| 7 | 3 | 333 | 1 |
+------+------+------+-------------------+
7 rows in set (Elapsed: 00:00:00.03)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<\/span>\u5e26PARTITION\u7684percent_rank<\/span><\/h2>\n\n\n\n\u6bcf\u4e2a\u5206\u7ec4\u5185\uff0c\u8fd4\u56de\u76f8\u5bf9\u4f4d\u7f6e\u76840-1\u4e4b\u95f4\u7684\u5c0f\u6570\u4f4d\u7f6e<\/p>\n\n\n\n| select t2.*,rank() over(partition by type order by val) v from t2;<\/td> | select t2.*,percent_rank() over(partition by type order by val) v from t2;<\/td><\/tr> | +------+------+------+---+
| id | type | val | v |
+------+------+------+---+
| 4 | 2 | 222 | 1 |
| 5 | 2 | 233 | 2 |
| 6 | 2 | 244 | 3 |
| 1 | 1 | 111 | 1 |
| 2 | 1 | 122 | 2 |
| 3 | 1 | 133 | 3 |
| 7 | 3 | 333 | 1 |
+------+------+------+---+
7 rows in set (Elapsed: 00:00:00.05)<\/code><\/td>+------+------+------+-----+
| id | type | val | v |
+------+------+------+-----+
| 4 | 2 | 222 | 0 |
| 5 | 2 | 233 | 0.5 |
| 6 | 2 | 244 | 1 |
| 1 | 1 | 111 | 0 |
| 2 | 1 | 122 | 0.5 |
| 3 | 1 | 133 | 1 |
| 7 | 3 | 333 | 0 |
+------+------+------+-----+
7 rows in set (Elapsed: 00:00:00.05)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"\u672c\u6587\u4ecb\u7ecdGBase 8a\u7684\u7a97\u53e3\u51fd\u6570percent_rank\uff0c \u5176\u4e0eRank \u57fa\u672c\u4e00\u6837\uff0c\u9664\u4e86\u8fd4\u56de\u7684\u662f\u76f8\u5bf9\u7684\u767e\u5206\u6bd4\uff0c\u800c\u4e0d\u662f\u6392\u540d\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":[36,77],"class_list":["post-6722","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-36","tag-olap"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6722","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=6722"}],"version-history":[{"count":8,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6722\/revisions"}],"predecessor-version":[{"id":6730,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6722\/revisions\/6730"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=6722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=6722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=6722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} | |
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