{"id":25332,"date":"2024-11-24T14:33:07","date_gmt":"2024-11-24T06:33:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25332\/"},"modified":"2024-11-24T14:33:07","modified_gmt":"2024-11-24T06:33:07","slug":"mysql-%e4%b8%ad%e4%bd%bf%e7%94%a8-any_value-%e5%ad%90%e6%9f%a5%e8%af%a2%e6%97%b6%ef%bc%8cwhere-in-%e5%a4%b1%e6%95%88%e7%9a%84%e5%8e%9f%e5%9b%a0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25332\/","title":{"rendered":"MySQL \u4e2d\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u65f6\uff0cWHERE IN \u5931\u6548\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\"MySQL<\/p>\n

\u4e2d\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u65f6\uff0cwhere in \u5931\u6548\u7684\u539f\u56e0<\/strong><\/p>\n

\u5728 mysql \u4e2d\uff0c\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u5bf9\u5206\u7ec4\u540e\u7684\u6570\u636e\u8fdb\u884c\u7b5b\u9009\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 where in \u5931\u6548\u3002\u8fd9\u662f\u56e0\u4e3a any_value \u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u7ec4\u884c\u4e2d\u7684\u7b2c\u4e00\u4e2a\u975e\u7a7a\u503c\uff0c\u800c where in \u64cd\u4f5c\u7b26\u671f\u671b\u7684\u662f\u4e00\u7cfb\u5217\u660e\u786e\u7684\u503c\u3002<\/p>\n

\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5f53\u5c06 any_value \u5b50\u67e5\u8be2\u7528\u4f5c where in \u7684\u5b50\u53e5\u65f6\uff0c\u67e5\u8be2\u4f18\u5316\u5668\u53ef\u80fd\u4f1a\u5c06\u5176\u8f6c\u6362\u4e3a\u5185\u90e8\u8fde\u63a5\u3002\u5185\u90e8\u8fde\u63a5\u5c06 test \u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u4e0e any_value \u5b50\u67e5\u8be2\u8fd4\u56de\u7684\u884c\u8fdb\u884c\u5339\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u8fd4\u56de\u6574\u4e2a test \u8868\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u989d\u5916\u7684 select \u8bed\u53e5\u5bf9 any_value \u5b50\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u5c01\u88c5\u3002\u8fd9\u4f1a\u5f3a\u5236\u67e5\u8be2\u4f18\u5316\u5668\u5c06\u5b50\u67e5\u8be2\u4f5c\u4e3a\u5b9e\u9645\u503c\u8868\u6765\u5904\u7406\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u8fde\u63a5\u3002<\/p>\n

select *\nfrom test\nwhere id in (\n    select id\n    from (\n        select any_value(id) as id\n        from test\n        group by type\n    ) as temp\n);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff1a\u672a\u6307\u5b9a\u76ee\u6807\u8868\u522b\u540d\u65f6\u7684\u5f02\u5e38\u884c\u4e3a<\/strong><\/p>\n
\u5f53\u5728 any_value \u5b50\u67e5\u8be2\u4e2d\u672a\u6307\u5b9a\u76ee\u6807\u8868\u522b\u540d\u65f6\uff0cmysql \u4e0d\u4f1a\u62a5\u9519\uff0c\u5e76\u4e14\u4f1a\u8fd4\u56de\u6574\u4e2a test \u8868\u3002\u8fd9\u662f\u56e0\u4e3a mysql \u5141\u8bb8\u5c06\u5b50\u67e5\u8be2\u7684\u7ed3\u679c\u4f5c\u4e3a\u6d3e\u751f\u8868\u5904\u7406\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u522b\u540d\uff0c\u5219 mysql \u4f1a\u6839\u636e\u5b50\u67e5\u8be2\u7684 group by \u5b50\u53e5\uff0c\u81ea\u52a8\u751f\u6210\u4e00\u4e2a\u6d3e\u751f\u8868\u7684\u540d\u79f0\uff0c\u683c\u5f0f\u4e3a group_by_table_ \u3002 <\/p>\n
\u5728\u793a\u4f8b\u4e2d\uff0c\u672a\u6307\u5b9a\u7684\u5b50\u67e5\u8be2\u7684\u6d3e\u751f\u8868\u540d\u79f0\u4e3a group_by_table_1\u3002\u56e0\u6b64\uff0c\u5f53\u4f7f\u7528\u9519\u8bef\u7684 select \u8bed\u53e5\u65f6\uff0c\u5b9e\u9645\u6267\u884c\u7684\u67e5\u8be2\u5982\u4e0b\uff1a<\/p>\n
SELECT *\nFROM test\nWHERE id IN (\n    SELECT id\n    FROM GROUP_BY_TABLE_1\n);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7531\u4e8e group_by_table_1 \u5305\u542b\u6574\u4e2a test \u8868\uff0c\u56e0\u6b64\u67e5\u8be2\u8fd4\u56de\u4e86\u6574\u4e2a test \u8868\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u65f6\uff0cWHERE IN \u5931\u6548\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e2d\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u65f6\uff0cwhere in \u5931\u6548\u7684\u539f\u56e0 \u5728 mysql \u4e2d\uff0c\u4f7f\u7528 any_value \u5b50\u67e5\u8be2\u5bf9\u5206\u7ec4\u540e\u7684\u6570\u636e\u8fdb\u884c\u7b5b\u9009\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 where in \u5931\u6548\u3002\u8fd9\u662f\u56e0\u4e3a any_value \u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u7ec4\u884c\u4e2d\u7684\u7b2c\u4e00\u4e2a\u975e\u7a7a\u503c\uff0c\u800c where in \u64cd\u4f5c\u7b26\u671f\u671b\u7684\u662f\u4e00\u7cfb\u5217\u660e\u786e\u7684\u503c\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5f53\u5c06 any_value \u5b50\u67e5\u8be2\u7528\u4f5c where in \u7684\u5b50\u53e5\u65f6\uff0c\u67e5\u8be2\u4f18\u5316\u5668\u53ef\u80fd\u4f1a\u5c06\u5176\u8f6c\u6362\u4e3a\u5185\u90e8\u8fde\u63a5\u3002\u5185\u90e8\u8fde\u63a5\u5c06 test \u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u4e0e any_value \u5b50\u67e5\u8be2\u8fd4\u56de\u7684\u884c\u8fdb\u884c\u5339\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u8fd4\u56de\u6574\u4e2a test \u8868\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u989d\u5916\u7684 select \u8bed\u53e5\u5bf9 any_value \u5b50\u67e5\u8be2\u7684\u7ed3\u679c\u8fdb\u884c\u5c01\u88c5\u3002\u8fd9\u4f1a\u5f3a\u5236\u67e5\u8be2\u4f18\u5316\u5668\u5c06\u5b50\u67e5\u8be2\u4f5c\u4e3a\u5b9e\u9645\u503c\u8868\u6765\u5904\u7406\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u8fde\u63a5\u3002 select * from test where id in ( select id from ( select any_value(id) as id from test group […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25332","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=25332"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25332\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}