{"id":177133,"date":"2024-11-08T13:37:18","date_gmt":"2024-11-08T05:37:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177133\/"},"modified":"2024-11-08T13:37:19","modified_gmt":"2024-11-08T05:37:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41056-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_group_field%ef%bc%89%e7%84%a1%e6%b3%95%e5%9c%a8%ef%bc%85s","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177133\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41056 – SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_GROUP_FIELD\uff09\u7121\u6cd5\u5728\u201c\uff05s\u201d\u4e0a\u9032\u884c\u5206\u7d44"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41056 – SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_GROUP_FIELD\uff09\u7121\u6cd5\u5728\u201c\uff05s\u201d\u4e0a\u9032\u884c\u5206\u7d44<\/h1>\n

\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc1056\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u4e26\u986f\u793a\u70ba\u201c\u7121\u6cd5\u5728\u2018%s\u2019\u4e0a\u9032\u884c\u5206\u7d44\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207GROUP BY\u8a9e\u53e5\u7684\u4f7f\u7528\u4e0d\u7576\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u9078\u64c7\u7684\u5b57\u6bb5\u4e0d\u7b26\u5408SQL\u6a19\u6e96\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n

MySQL\u7684GROUP BY\u8a9e\u53e5\u7528\u65bc\u5c07\u7d50\u679c\u96c6\u4e2d\u7684\u884c\u5206\u7d44\uff0c\u4e26\u5c0d\u6bcf\u7d44\u9032\u884c\u805a\u5408\u8a08\u7b97\u3002\u7576\u4f60\u5728SELECT\u8a9e\u53e5\u4e2d\u4f7f\u7528GROUP BY\u6642\uff0c\u6240\u6709\u672a\u805a\u5408\u7684\u5b57\u6bb5\u5fc5\u9808\u51fa\u73fe\u5728GROUP BY\u5b50\u53e5\u4e2d\u3002\u5426\u5247\uff0cMySQL\u5c07\u7121\u6cd5\u78ba\u5b9a\u5982\u4f55\u5c0d\u9019\u4e9b\u5b57\u6bb5\u9032\u884c\u5206\u7d44\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa41056\u3002<\/p>\n

\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n

SELECT name, COUNT(*) FROM users GROUP BY age;<\/code><\/pre>\n
\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0cname\u5b57\u6bb5\u672a\u5305\u542b\u5728GROUP BY\u5b50\u53e5\u4e2d\uff0c\u9019\u6703\u5c0e\u81f4\u932f\u8aa41056\u3002MySQL\u7121\u6cd5\u78ba\u5b9a\u5c0d\u65bc\u6bcf\u500b\u5e74\u9f61\u7d44\uff0c\u61c9\u8a72\u9078\u64c7\u54ea\u500bname\u503c\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848<\/h2>\n
\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u6240\u6709\u5728SELECT\u8a9e\u53e5\u4e2d\u51fa\u73fe\u7684\u975e\u805a\u5408\u5b57\u6bb5\u90fd\u5305\u542b\u5728GROUP BY\u5b50\u53e5\u4e2d\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
1. \u6dfb\u52a0\u7f3a\u5931\u7684\u5b57\u6bb5\u5230GROUP BY\u5b50\u53e5<\/h3>\n
\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u5c07\u6240\u6709\u975e\u805a\u5408\u5b57\u6bb5\u6dfb\u52a0\u5230GROUP BY\u5b50\u53e5\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT name, COUNT(*) FROM users GROUP BY name, age;<\/code><\/pre>\n
\u9019\u6a23\uff0cMySQL\u5c31\u80fd\u5920\u6b63\u78ba\u5730\u5c0d\u6bcf\u500bname\u548cage\u7684\u7d44\u5408\u9032\u884c\u5206\u7d44\u3002<\/p>\n
2. \u4f7f\u7528\u805a\u5408\u51fd\u6578<\/h3>\n
\u5982\u679c\u60a8\u53ea\u60f3\u7372\u53d6\u67d0\u500b\u5b57\u6bb5\u7684\u805a\u5408\u7d50\u679c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u805a\u5408\u51fd\u6578\u4f86\u66ff\u4ee3\u76f4\u63a5\u9078\u64c7\u8a72\u5b57\u6bb5\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT MAX(name) AS name, COUNT(*) FROM users GROUP BY age;<\/code><\/pre>\n
\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528MAX\u51fd\u6578\u4f86\u7372\u53d6\u6bcf\u500b\u5e74\u9f61\u7d44\u7684\u6700\u5927name\u503c\uff0c\u9019\u6a23\u5c31\u4e0d\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n
3. \u4f7f\u7528SQL\u6a21\u5f0f\u8abf\u6574<\/h3>\n
MySQL\u5141\u8a31\u7528\u6236\u901a\u904e\u8abf\u6574SQL\u6a21\u5f0f\u4f86\u6539\u8b8a\u5176\u884c\u70ba\u3002\u5982\u679c\u60a8\u5e0c\u671bMySQL\u5728\u9047\u5230\u672a\u5206\u7d44\u7684\u5b57\u6bb5\u6642\u4e0d\u5831\u932f\uff0c\u53ef\u4ee5\u8003\u616e\u7981\u7528ONLY_FULL_GROUP_BY\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u9019\u4e26\u4e0d\u63a8\u85a6\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u7d50\u679c\u3002<\/p>\n
SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u7981\u7528ONLY_FULL_GROUP_BY\u6a21\u5f0f\uff0c\u4f46\u8acb\u8b39\u614e\u4f7f\u7528\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
MySQL\u932f\u8aa41056\uff08ER_WRONG_GROUP_FIELD\uff09\u901a\u5e38\u662f\u7531\u65bcGROUP BY\u8a9e\u53e5\u7684\u4f7f\u7528\u4e0d\u7576\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u4fdd\u6240\u6709\u975e\u805a\u5408\u5b57\u6bb5\u90fd\u5305\u542b\u5728GROUP BY\u5b50\u53e5\u4e2d\uff0c\u6216\u4f7f\u7528\u9069\u7576\u7684\u805a\u5408\u51fd\u6578\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u539f\u5247\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u4f7f\u7528MySQL\u6642\u907f\u514d\u985e\u4f3c\u7684\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u67e5\u8a62\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4fee\u5fa9MySQL\u932f\u8aa41056\uff08ER_WRONG_GROUP_FIELD\uff09\u7684\u65b9\u6cd5\uff0c\u89e3\u6c7aSQL\u72c0\u614b42000\u7684\u5206\u7d44\u554f\u984c\uff0c\u78ba\u4fdd\u67e5\u8a62\u6b63\u78ba\u57f7\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-177133","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=177133"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177133\/revisions"}],"predecessor-version":[{"id":177134,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177133\/revisions\/177134"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}