{"id":177135,"date":"2024-11-08T13:38:20","date_gmt":"2024-11-08T05:38:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177135\/"},"modified":"2024-11-08T13:38:20","modified_gmt":"2024-11-08T05:38:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41057-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_sum_select%ef%bc%89%e8%aa%9e%e5%8f%a5%e4%b8%ad%e5%90%8c%e6%99%82%e5%85%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177135\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41057 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_SUM_SELECT\uff09\u8a9e\u53e5\u4e2d\u540c\u6642\u5177\u6709\u6c42\u548c\u51fd\u6578\u548c\u5217"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41057-sql%e7%8b%80%e6%85%8b%ef%bc%9a42000%ef%bc%88er_wrong_sum_select%ef%bc%89%e8%aa%9e%e5%8f%a5%e4%b8%ad%e5%90%8c%e6%99%82%e5%85%b7-QmRvhRrknk\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41057 &#8211; SQL\u72c0\u614b\uff1a42000\uff08ER_WRONG_SUM_SELECT\uff09\u8a9e\u53e5\u4e2d\u540c\u6642\u5177\u6709\u6c42\u548c\u51fd\u6578\u548c\u5217<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc1057\uff0c\u8a72\u932f\u8aa4\u7684SQL\u72c0\u614b\u70ba42000\uff0c\u5177\u9ad4\u932f\u8aa4\u4fe1\u606f\u70ba\u201cER_WRONG_SUM_SELECT\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728SQL\u67e5\u8a62\u4e2d\u540c\u6642\u4f7f\u7528\u4e86\u805a\u5408\u51fd\u6578\uff08\u5982SUM\u3001AVG\u7b49\uff09\u548c\u975e\u805a\u5408\u5217\u6642\uff0c\u9019\u6703\u5c0e\u81f4MySQL\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-QmRvhRrknk\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u7576\u4f60\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528\u805a\u5408\u51fd\u6578\u6642\uff0cMySQL\u8981\u6c42\u6240\u6709\u975e\u805a\u5408\u5217\u5fc5\u9808\u5728GROUP BY\u5b50\u53e5\u4e2d\u660e\u78ba\u5217\u51fa\u3002\u9019\u662f\u56e0\u70ba\u805a\u5408\u51fd\u6578\u6703\u5c0d\u591a\u884c\u6578\u64da\u9032\u884c\u8a08\u7b97\uff0c\u800c\u975e\u805a\u5408\u5217\u7684\u503c\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\u662f\u6a21\u7cca\u7684\uff0cMySQL\u7121\u6cd5\u78ba\u5b9a\u61c9\u8a72\u9078\u64c7\u54ea\u4e00\u884c\u7684\u503c\u3002\u9019\u6a23\u7684\u67e5\u8a62\u6703\u5c0e\u81f4\u932f\u8aa41057\u7684\u51fa\u73fe\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-QmRvhRrknk\">\u793a\u4f8b<\/h3>\n<pre><code>SELECT department, SUM(salary) \nFROM employees;\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u67e5\u8a62\u4e2d\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u8a08\u7b97\u6bcf\u500b\u90e8\u9580\u7684\u7e3d\u85aa\u8cc7\uff0c\u4f46\u6c92\u6709\u4f7f\u7528GROUP BY\u5b50\u53e5\u4f86\u6307\u5b9a\u5982\u4f55\u5206\u7d44\u90e8\u9580\u3002\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u6703\u5f15\u767c\u932f\u8aa41057\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-QmRvhRrknk\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u78ba\u4fdd\u5728\u4f7f\u7528\u805a\u5408\u51fd\u6578\u7684\u540c\u6642\uff0c\u6240\u6709\u975e\u805a\u5408\u5217\u90fd\u5fc5\u9808\u5728GROUP BY\u5b50\u53e5\u4e2d\u5217\u51fa\u3002\u4ee5\u4e0b\u662f\u4fee\u6b63\u5f8c\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT department, SUM(salary) \nFROM employees \nGROUP BY department;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4fee\u6b63\u7684\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86GROUP BY\u5b50\u53e5\u4f86\u660e\u78ba\u6307\u5b9a\u6309\u90e8\u9580\u5206\u7d44\uff0c\u9019\u6a23MySQL\u5c31\u80fd\u6b63\u78ba\u8a08\u7b97\u6bcf\u500b\u90e8\u9580\u7684\u7e3d\u85aa\u8cc7\uff0c\u4e26\u4e14\u4e0d\u6703\u518d\u51fa\u73fe\u932f\u8aa41057\u3002<\/p>\n<h3 id=\"%e9%80%b2%e4%b8%80%e6%ad%a5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-QmRvhRrknk\">\u9032\u4e00\u6b65\u7684\u6700\u4f73\u5be6\u8e10<\/h3>\n<ul>\n<li><strong>\u6aa2\u67e5\u67e5\u8a62\u7d50\u69cb\uff1a<\/strong>\u5728\u64b0\u5bebSQL\u67e5\u8a62\u6642\uff0c\u59cb\u7d42\u6aa2\u67e5\u662f\u5426\u6b63\u78ba\u4f7f\u7528\u4e86GROUP BY\u5b50\u53e5\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u805a\u5408\u51fd\u6578\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u4f7f\u7528HAVING\u5b50\u53e5\uff1a<\/strong>\u5982\u679c\u9700\u8981\u5c0d\u805a\u5408\u7d50\u679c\u9032\u884c\u904e\u6ffe\uff0c\u53ef\u4ee5\u4f7f\u7528HAVING\u5b50\u53e5\uff0c\u800c\u4e0d\u662fWHERE\u5b50\u53e5\uff0c\u56e0\u70baWHERE\u5728\u805a\u5408\u8a08\u7b97\u4e4b\u524d\u57f7\u884c\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u67e5\u8a62\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u57f7\u884c\u67e5\u8a62\u4e4b\u524d\uff0c\u61c9\u5728\u958b\u767c\u74b0\u5883\u4e2d\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QmRvhRrknk\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41057\uff08ER_WRONG_SUM_SELECT\uff09\u901a\u5e38\u662f\u7531\u65bc\u5728\u67e5\u8a62\u4e2d\u540c\u6642\u4f7f\u7528\u4e86\u805a\u5408\u51fd\u6578\u548c\u975e\u805a\u5408\u5217\u800c\u672a\u6b63\u78ba\u4f7f\u7528GROUP BY\u5b50\u53e5\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u4fdd\u6240\u6709\u975e\u805a\u5408\u5217\u90fd\u5728GROUP BY\u5b50\u53e5\u4e2d\u5217\u51fa\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u6aa2\u67e5\u67e5\u8a62\u7d50\u69cb\uff0c\u4e26\u5728\u958b\u767c\u74b0\u5883\u4e2d\u9032\u884c\u6e2c\u8a66\uff0c\u5c07\u6709\u52a9\u65bc\u6e1b\u5c11\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5177\u5099\u9ad8\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41057\uff08ER_WRONG_SUM_SELECT\uff09\uff0c\u89e3\u6c7aSQL\u8a9e\u53e5\u4e2d\u540c\u6642\u4f7f\u7528\u6c42\u548c\u51fd\u6578\u548c\u5217\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-177135","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177135","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=177135"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177135\/revisions"}],"predecessor-version":[{"id":177136,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177135\/revisions\/177136"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}