{"id":177131,"date":"2024-11-08T13:36:19","date_gmt":"2024-11-08T05:36:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177131\/"},"modified":"2024-11-08T13:36:19","modified_gmt":"2024-11-08T05:36:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41055-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_field_with_group%ef%bc%89%ef%bc%85s%e4%b8%8d%e5%9c%a8group-by","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177131\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41055 – SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_FIELD_WITH_GROUP\uff09\u201c\uff05s\u201d\u4e0d\u5728GROUP BY\u4e2d"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41055 – SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_FIELD_WITH_GROUP\uff09<\/h1>\n

\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa41055\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u63d0\u793a\u4fe1\u606f\u70ba\u201c%s\u201d\u4e0d\u5728GROUP BY\u4e2d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528GROUP BY\u8a9e\u53e5\u6642\uff0c\u7576\u67e5\u8a62\u4e2d\u5305\u542b\u4e86\u672a\u5728GROUP BY\u5b50\u53e5\u4e2d\u5217\u51fa\u7684\u5b57\u6bb5\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n

MySQL\u7684GROUP BY\u8a9e\u53e5\u7528\u65bc\u5c07\u7d50\u679c\u96c6\u4e2d\u7684\u6578\u64da\u5206\u7d44\uff0c\u4e26\u5c0d\u6bcf\u500b\u7d44\u9032\u884c\u805a\u5408\u8a08\u7b97\u3002\u7576\u4f60\u5728SELECT\u8a9e\u53e5\u4e2d\u9078\u64c7\u4e86\u67d0\u4e9b\u5b57\u6bb5\uff0c\u4f46\u9019\u4e9b\u5b57\u6bb5\u4e26\u672a\u5728GROUP BY\u5b50\u53e5\u4e2d\u5217\u51fa\u6642\uff0cMySQL\u6703\u7121\u6cd5\u78ba\u5b9a\u5982\u4f55\u8655\u7406\u9019\u4e9b\u5b57\u6bb5\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa41055\u3002<\/p>\n

\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n

SELECT name, COUNT(*) \nFROM users \nGROUP 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\u81f4MySQL\u5831\u932f\u3002\u6839\u64daSQL\u6a19\u6e96\uff0c\u6240\u6709\u5728SELECT\u4e2d\u51fa\u73fe\u7684\u975e\u805a\u5408\u5b57\u6bb5\u90fd\u5fc5\u9808\u5728GROUP BY\u4e2d\u5217\u51fa\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848<\/h2>\n
\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n
1. \u6dfb\u52a0\u7f3a\u5931\u7684\u5b57\u6bb5\u5230GROUP BY\u4e2d<\/h3>\n
\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u5c07\u6240\u6709\u5728SELECT\u4e2d\u51fa\u73fe\u7684\u975e\u805a\u5408\u5b57\u6bb5\u6dfb\u52a0\u5230GROUP BY\u5b50\u53e5\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT name, COUNT(*) \nFROM users \nGROUP BY name, age;<\/code><\/pre>\n
\u9019\u6a23\uff0cMySQL\u5c31\u80fd\u6b63\u78ba\u5730\u8655\u7406\u67e5\u8a62\uff0c\u4e26\u4e0d\u6703\u518d\u5831\u932f\u3002<\/p>\n
2. \u4f7f\u7528\u805a\u5408\u51fd\u6578<\/h3>\n
\u5982\u679c\u4f60\u53ea\u60f3\u8981\u67d0\u500b\u5b57\u6bb5\u7684\u805a\u5408\u7d50\u679c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u805a\u5408\u51fd\u6578\u4f86\u66ff\u4ee3\u3002\u4f8b\u5982\uff0c\u4f7f\u7528MAX()\u6216MIN()\u51fd\u6578\u4f86\u7372\u53d6\u67d0\u500b\u5b57\u6bb5\u7684\u6700\u5927\u6216\u6700\u5c0f\u503c\uff1a<\/p>\n
SELECT age, MAX(name) AS max_name, COUNT(*) \nFROM users \nGROUP BY age;<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u4e0d\u6703\u5f15\u767c\u932f\u8aa4\uff0c\u56e0\u70ba\u6240\u6709\u975e\u805a\u5408\u5b57\u6bb5\u90fd\u5df2\u7d93\u88ab\u6b63\u78ba\u8655\u7406\u3002<\/p>\n
3. \u4fee\u6539SQL\u6a21\u5f0f<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f60\u53ef\u80fd\u5e0c\u671bMySQL\u5141\u8a31\u9019\u7a2e\u884c\u70ba\u3002\u53ef\u4ee5\u901a\u904e\u4fee\u6539SQL\u6a21\u5f0f\u4f86\u5be6\u73fe\uff0c\u4f46\u9019\u4e26\u4e0d\u63a8\u85a6\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684SQL\u6a21\u5f0f\uff1a<\/p>\n
SELECT @@sql_mode;<\/code><\/pre>\n
\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u6539SQL\u6a21\u5f0f\uff1a<\/p>\n
SET sql_mode = ''; -- \u6e05\u7a7a\u6a21\u5f0f<\/code><\/pre>\n
\u6216\u8005\u53ea\u79fb\u9664ONLY_FULL_GROUP_BY\u6a21\u5f0f\uff1a<\/p>\n
SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));<\/code><\/pre>\n
\u8acb\u6ce8\u610f\uff0c\u9019\u6a23\u505a\u53ef\u80fd\u6703\u5c0e\u81f4\u5176\u4ed6\u67e5\u8a62\u51fa\u73fe\u554f\u984c\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
MySQL\u932f\u8aa41055\u901a\u5e38\u662f\u7531\u65bc\u5728GROUP BY\u5b50\u53e5\u4e2d\u7f3a\u5c11\u5fc5\u8981\u7684\u5b57\u6bb5\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u5c07\u7f3a\u5931\u7684\u5b57\u6bb5\u6dfb\u52a0\u5230GROUP BY\u4e2d\u3001\u4f7f\u7528\u805a\u5408\u51fd\u6578\u6216\u4fee\u6539SQL\u6a21\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u4e0d\u50c5\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4fee\u5fa9\u932f\u8aa4\uff0c\u9084\u80fd\u63d0\u9ad8\u5c0dSQL\u67e5\u8a62\u7684\u7406\u89e3\u548c\u638c\u63e1\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\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\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41055\uff0c\u89e3\u6c7aSQL\u72c0\u614b42000\uff08ER_WRONG_FIELD_WITH_GROUP\uff09\u4e2d\u201c\uff05s\u201d\u4e0d\u5728GROUP BY\u4e2d\u7684\u554f\u984c\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-177131","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177131","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=177131"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177131\/revisions"}],"predecessor-version":[{"id":177132,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177131\/revisions\/177132"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}